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  Chromista
      Heterokontophyta
            Bacillariophyceae
                   [Bacillariophyta]
                    Naviculales
                            Pinnulariaceae
                                     Diatomella
                                             Diatomella balfouriana
                                                   [Grammatophora balfouriana]
                                                   Diatomella balfouriana f. constricta
                                               Diatomella balfouriana var. angustarea
                                             Diatomella hustedtii
                                             Diatomella lecohui
                                             Diatomella minuta
                                             Diatomella ouenkohana
                                             Diatomella parva
                                             Diatomella salina
                                               Diatomella salina var. brevistriata
                                               Diatomella salina var. septata
                                     Hygropetra
                                             Hygropetra balfouriana
                                                   [Navicula balfouriana]
                                                   [Schizonema balfourianum]
                                             Hygropetra elongata
                                     Oestrupia
                                             Oestrupia bicontracta
                                             Oestrupia boryana
                                               Oestrupia boryana var. latior
                                               Oestrupia boryana var. sussedana
                                             Oestrupia ergadensis
                                             Oestrupia eugeniae
                                             Oestrupia galapagensis
                                             Oestrupia grandis
                                             Oestrupia interrupta
                                             Oestrupia kinkeriana
                                             Oestrupia lineata
                                             Oestrupia madagascarensis
                                             Oestrupia musca
                                                   [Caloneis musca]
                                             Oestrupia powelli
                                             Oestrupia powellii
                                                   [Caloneis powellii var. atlantica]
                                                   [Caloneis powellii]
                                                   [Navicula powellii (poweli, powelli)]
                                                   [Schizonema powellii]
                                               Oestrupia powellii var. egyptica
                                               Oestrupia powellii var. vidovichii
                                             Oestrupia quadriseriata
                                             Oestrupia schmidtii
                                             Oestrupia supergradata
                                                   [Caloneis supergradata]
                                                   [Navicula supergradata]
                                             Oestrupia vidovicii
                                             Oestrupia wittii
                                             Oestrupia zachariasi
                                               Oestrupia zachariasi var. undulata
                                             Oestrupia zachariasii
                                             Oestrupia zanardiniana
                                     Pinnularia
                                           [Stauroptera]
                                             Pinnularia abaujensis
                                                   [Navicula gibba var. abaujensis]
                                               Pinnularia abaujensis var. lacustris
                                               Pinnularia abaujensis var. linearis
                                                     [Pinnularia gibba f. linearis]
                                                     [Pinnularia gibba var. linearis]
                                               Pinnularia abaujensis var. rostrata
                                                     [Pinnularia gibba var. rostrata]
                                               Pinnularia abaujensis var. subundulata
                                                     [Pinnularia gibba f. subundulata]
                                                     [Pinnularia gibba var. subundulata]
                                             Pinnularia abbreviata
                                             Pinnularia abnormis
                                             Pinnularia absita
                                             Pinnularia acidicola
                                               Pinnularia acidicola var. elongata
                                             Pinnularia acidojaponica
                                             Pinnularia acidophila
                                               Pinnularia acidophila var. baetica
                                             Pinnularia acorica
                                             Pinnularia acoricola
                                               Pinnularia acoricola var. amphigomphus
                                               Pinnularia acoricola var. cuneiformis
                                               Pinnularia acoricola var. elongatirhombica
                                               Pinnularia acoricola var. lanceolata
                                                     [Pinnularia bicuspidata]
                                               Pinnularia acoricola var. linearis
                                               Pinnularia acoricola var. osoresanensis
                                               Pinnularia acoricola var. pumilio
                                               Pinnularia acoricola var. rostellata
                                                     [Pinnularia rhynchocephala]
                                             Pinnularia acrosphaeria
                                                   [Navicula acrosphaeria var. minor]
                                                   Pinnularia acrosphaeria f. genuina
                                                   Pinnularia acrosphaeria f. hankensis
                                                   Pinnularia acrosphaeria f. minor
                                                   Pinnularia acrosphaeria f. undulata
                                               Pinnularia acrosphaeria var. asiatica
                                               Pinnularia acrosphaeria var. controversa
                                               Pinnularia acrosphaeria var. ecuatoriana
                                               Pinnularia acrosphaeria var. hyalina
                                               Pinnularia acrosphaeria var. inflata
                                               Pinnularia acrosphaeria var. laevis
                                                     [Navicula acrosphaeria var. laevis]
                                               Pinnularia acrosphaeria var. linearis
                                               Pinnularia acrosphaeria var. minor
                                               Pinnularia acrosphaeria var. parva
                                                     [Navicula tabellaria var. acrosphaeria]
                                               Pinnularia acrosphaeria var. sandvicensis
                                                     [Navicula ramingensis]
                                                     [Pinnularia acrosphaeria f. maxima]
                                               Pinnularia acrosphaeria var. tumidula
                                               Pinnularia acrosphaeria var. turgida
                                               Pinnularia acrosphaeria var. undulata
                                             Pinnularia acuminata
                                                   [Navicula viridis var. acuminata]
                                                   [Pinnularia viridis var. acuminata]
                                                   Pinnularia acuminata f. cuyabenensis
                                               Pinnularia acuminata var. bielawskii
                                                     [Navicula hemiptera var. bielawskii]
                                                     [Pinnularia hemiptera var. bielawskii]
                                               Pinnularia acuminata var. carteri
                                               Pinnularia acuminata var. constricta
                                               Pinnularia acuminata var. cuyabenensis
                                               Pinnularia acuminata var. interrupta
                                                     [Navicula hemiptera var. interrupta]
                                                     [Pinnularia acuminata f. interrupta]
                                                     [Pinnularia hemiptera f. interrupta]
                                                     [Pinnularia hemiptera var. interrupta]
                                               Pinnularia acuminata var. naviculoides
                                               Pinnularia acuminata var. novaezealandica
                                               Pinnularia acuminata var. steinitzii
                                             Pinnularia acutiuscula
                                             Pinnularia acutobrebissonii
                                                   [Frustulia bipunctata]
                                                   [Navicula hemiptera var. stauroneiformis]
                                                   [Pinnularia brebissonii var. acuta]
                                                   [Pinnularia stauroneiformis]
                                                   [Stauroptera brebissonii]
                                             Pinnularia aequalis
                                             Pinnularia aequilateralis
                                             Pinnularia aestuari
                                               Pinnularia aestuari var. hinganica
                                             Pinnularia aestuarii
                                                   [Schizonema aestuarii]
                                                   Pinnularia aestuarii f. lapponica
                                               Pinnularia aestuarii var. interrupta
                                               Pinnularia aestuarii var. lata
                                               Pinnularia aestuarii var. rupestris
                                             Pinnularia affinis
                                             Pinnularia agogoensis
                                             Pinnularia alabamae
                                             Pinnularia alaskana
                                             Pinnularia aldenii
                                             Pinnularia alfinitoana
                                             Pinnularia aljustrelica
                                             Pinnularia allansonii
                                             Pinnularia allmaniana
                                             Pinnularia allorgei
                                             Pinnularia alpina
                                                   [Schizonema alp“num]
                                                   Pinnularia alpina f. symmetrica
                                               Pinnularia alpina var. diminuta
                                               Pinnularia alpina var. dornensis
                                               Pinnularia alpina var. genuina
                                               Pinnularia alpina var. kerguelensis
                                               Pinnularia alpina var. linearis
                                               Pinnularia alpina var. parallela
                                             Pinnularia alpiniformis
                                             Pinnularia alta
                                             Pinnularia altiplanensis
                                             Pinnularia amabilis
                                             Pinnularia amae
                                             Pinnularia amaniensis
                                                   Pinnularia amaniensis f. indica
                                             Pinnularia amazonica
                                             Pinnularia ambigua
                                               Pinnularia ambigua var. digitus
                                             Pinnularia amblys
                                             Pinnularia ambositrana
                                             Pinnularia americana
                                             Pinnularia amoena
                                             Pinnularia amphicentra
                                             Pinnularia amphioxys
                                                   [Pinnularia acuta var. amphioxys]
                                               Pinnularia amphioxys var. acuta
                                             Pinnularia amphiprora
                                             Pinnularia amphirhynchus
                                             Pinnularia amphirrhina
                                             Pinnularia amphisbaena
                                             Pinnularia amphisphenia
                                             Pinnularia amphistylus
                                             Pinnularia ampulliformis
                                             Pinnularia amundsenii
                                             Pinnularia anassae
                                             Pinnularia andina
                                             Pinnularia andreei
                                             Pinnularia anglica
                                             Pinnularia angliciformis
                                             Pinnularia angulata
                                             Pinnularia angulosa
                                                   [Navicula borealis var. brevicostata]
                                                   [Pinnularia borealis var. brevicostata]
                                             Pinnularia angusta
                                                   [Navicula mesolepta var. angusta]
                                               Pinnularia angusta var. rostrata
                                                     [Pinnularia mesolepta f. angusta (angustata)]
                                                     [Pinnularia pulchra var. angusta]
                                             Pinnularia angustiborealis
                                             Pinnularia angustistriata
                                             Pinnularia angustivalva
                                             Pinnularia anomala
                                             Pinnularia antarctica
                                             Pinnularia antiqua
                                             Pinnularia aperta
                                                   Pinnularia aperta f. undulata
                                               Pinnularia aperta var. doelle-jardii
                                               Pinnularia aperta var. doello
                                               Pinnularia aperta var. doeringi
                                               Pinnularia aperta var. undulata
                                             Pinnularia apicata
                                             Pinnularia apiculata
                                             Pinnularia apis
                                             Pinnularia appendiculata
                                                   [Cymbella appendiculata]
                                                   [Frustulia appendiculata]
                                                   [Navicula appendiculata var. irrorata]
                                                   [Navicula naveana]
                                                   [Pinnularia appendiculata var. irrorata]
                                                   [Pinnularia appendiculata var. naveana]
                                                   [Pinnularia irrorata]
                                                   [Pinnularia naveana]
                                                   [Pinnularia silvatica]
                                                   [Schizonema appendiculatum]
                                                   Pinnularia appendiculata f. constricta
                                                   Pinnularia appendiculata f. intermedia
                                               Pinnularia appendiculata var. amaniana
                                               Pinnularia appendiculata var. brevistriata
                                               Pinnularia appendiculata var. budensis
                                               Pinnularia appendiculata var. intermedia
                                               Pinnularia appendiculata var. karelica
                                               Pinnularia appendiculata var. major
                                               Pinnularia appendiculata var. nipponica
                                               Pinnularia appendiculata var. robusta
                                               Pinnularia appendiculata var. silesiaca
                                             Pinnularia aquilonaris
                                             Pinnularia araucanensis
                                             Pinnularia araucaniae
                                             Pinnularia archaica
                                             Pinnularia arctica
                                             Pinnularia armenica
                                             Pinnularia arraniensis
                                             Pinnularia asanzae
                                             Pinnularia asburyana
                                             Pinnularia asperula
                                             Pinnularia asymmetrica
                                             Pinnularia atlasii
                                             Pinnularia aueri
                                             Pinnularia australis
                                             Pinnularia australoborealis
                                             Pinnularia australorabenhorstii
                                             Pinnularia austraoshetlandica
                                                   Pinnularia austraoshetlandica f. constricta
                                             Pinnularia austroshetlandica
                                                   [Navicula austroshetlandica]
                                                   Pinnularia austroshetlandica f. typica
                                             Pinnularia bacilla
                                             Pinnularia bacillaris
                                             Pinnularia bacilliformis
                                             Pinnularia backebergii
                                             Pinnularia baicalensis
                                             Pinnularia balatonis
                                                   [Navicula balatonis]
                                             Pinnularia balfouriana
                                               Pinnularia balfouriana var. stauroptera
                                             Pinnularia baltica
                                             Pinnularia barbadensis
                                             Pinnularia barberiana
                                               Pinnularia barberiana var. opouraensis
                                             Pinnularia barca
                                             Pinnularia bardii
                                             Pinnularia barrowiana
                                             Pinnularia bartii
                                             Pinnularia bertrandii
                                               Pinnularia bertrandii var. angustefasciata
                                               Pinnularia bertrandii var. orleansiana
                                             Pinnularia bicapitata
                                                   [Navicula interrupta f. bicapitata]
                                                   [Navicula interrupta var. bicapitata]
                                                   [Pinnularia interrupta f. bicapitata]
                                                   [Pinnularia interrupta var. bicapitata]
                                               Pinnularia bicapitata var. inaequalis
                                               Pinnularia bicapitata var. lata
                                             Pinnularia biceps
                                                   [Navicula bicapitata var. crucifera]
                                                   [Navicula interrupta f. biceps]
                                                   [Navicula interrupta var. biceps]
                                                   [Navicula interrupta var. termes]
                                                   [Navicula interupta var. biceps]
                                                   [Navicula nivalis var. interrupta]
                                                   [Pinnularia bicapitata var. interrupta]
                                                   [Pinnularia biceps f. stauroneiformis]
                                                   [Pinnularia gibba var. interrupta]
                                                   [Pinnularia interrupta f. biceps]
                                                   [Pinnularia interrupta f. stauroneiformis]
                                                   [Pinnularia interrupta var. biceps]
                                                   [Pinnularia interrupta var. stauroneiformis]
                                                   [Pinnularia termes var. stauroneiformis]
                                                   [Pinnularia termes]
                                               Pinnularia biceps var. biceps
                                               Pinnularia biceps var. gibberula
                                                     [Pinnularia interrupta var. gibberula]
                                               Pinnularia biceps var. petersenii
                                               Pinnularia biceps var. pusilla
                                             Pinnularia bicepsoides
                                             Pinnularia biclavata
                                                   Pinnularia biclavata f. continua
                                               Pinnularia biclavata var. abbreviata
                                             Pinnularia biggiba
                                             Pinnularia bigibba
                                             Pinnularia biglobosa
                                             Pinnularia bihastata
                                                   [Navicula bihastata]
                                             Pinnularia bilineata
                                             Pinnularia bilobata
                                             Pinnularia bioculata
                                             Pinnularia bipectinalis
                                                   Pinnularia bipectinalis f. inflata
                                               Pinnularia bipectinalis var. staurophora
                                             Pinnularia birnirkiana
                                             Pinnularia birostris
                                             Pinnularia bistriata
                                             Pinnularia blandita
                                             Pinnularia blasii
                                             Pinnularia bleischii
                                             Pinnularia boecheri
                                                   Pinnularia boecheri f. ovata
                                             Pinnularia bogosoensis
                                             Pinnularia bogotensis
                                                   [Schizonema bogotense]
                                                   Pinnularia bogotensis f. ventricosa
                                               Pinnularia bogotensis var. andina
                                               Pinnularia bogotensis var. asiatica
                                               Pinnularia bogotensis var. baicalensis
                                               Pinnularia bogotensis var. continua
                                               Pinnularia bogotensis var. densistriata
                                               Pinnularia bogotensis var. hankensis
                                               Pinnularia bogotensis var. koreana
                                               Pinnularia bogotensis var. okamurae
                                               Pinnularia bogotensis var. patagonica
                                             Pinnularia boliviana
                                             Pinnularia borealis
                                                   [Schizonema boreale]
                                                   Pinnularia borealis f. angusta
                                                   Pinnularia borealis f. conica
                                                   Pinnularia borealis f. elongata
                                                   Pinnularia borealis f. lanceolata
                                                   Pinnularia borealis f. medioinflata
                                                   Pinnularia borealis f. minuta
                                                   Pinnularia borealis f. ovalis
                                                   Pinnularia borealis f. rectangularis
                                                   Pinnularia borealis f. repanda
                                                   Pinnularia borealis f. rostrata
                                                   Pinnularia borealis f. schmidtii
                                                   Pinnularia borealis f. stauroneiformis
                                                   Pinnularia borealis f. subcapitata
                                               Pinnularia borealis var. africana
                                               Pinnularia borealis var. australis
                                               Pinnularia borealis var. barodensis
                                               Pinnularia borealis var. brevistriata
                                               Pinnularia borealis var. caraccana
                                               Pinnularia borealis var. congolensis
                                               Pinnularia borealis var. constricta
                                               Pinnularia borealis var. cuneorostrata
                                               Pinnularia borealis var. elliptica
                                               Pinnularia borealis var. genuina
                                               Pinnularia borealis var. islandica
                                               Pinnularia borealis var. lanceolata
                                               Pinnularia borealis var. lonavlensis
                                               Pinnularia borealis var. producta
                                               Pinnularia borealis var. pseudolanceolata
                                               Pinnularia borealis var. rectangularis
                                               Pinnularia borealis var. rhodesica
                                               Pinnularia borealis var. rupestris
                                               Pinnularia borealis var. s
                                               Pinnularia borealis var. scalaris
                                                     [Navicula borealis var. scalaris]
                                                     [Stauroneis scalaris]
                                                     [Stauroptera scalaris]
                                               Pinnularia borealis var. semseyana
                                               Pinnularia borealis var. subislandica
                                               Pinnularia borealis var. sublinearis
                                               Pinnularia borealis var. tenuis
                                               Pinnularia borealis var. tenuistriata
                                               Pinnularia borealis var. thuringiaca
                                               Pinnularia borealis var. undata
                                             Pinnularia bosshardii
                                             Pinnularia bottnica
                                                   [Pinnularia lundii var. baltica]
                                             Pinnularia bourrellyi
                                             Pinnularia boyeri
                                                   [Navicula tabellaria var. stauroneiformis]
                                             Pinnularia boyeriformis
                                             Pinnularia bramanorum
                                             Pinnularia brandeli
                                               Pinnularia brandeli var. linearis
                                               Pinnularia brandeli var. recta
                                             Pinnularia brandeliformis
                                               Pinnularia brandeliformis var. linearis
                                             Pinnularia brandelii
                                                   [Pinnularia brandelii var. clevei]
                                                   [Pinnularia brandelii var. linearis]
                                                   [Pinnularia brandelii var. recta]
                                                   [Schizonema brandelii]
                                             Pinnularia brasiliensis
                                               Pinnularia brasiliensis var. debegenica
                                             Pinnularia brauniana
                                               Pinnularia brauniana var. amphicephala
                                               Pinnularia brauniana var. brauniana
                                             Pinnularia braunii
                                                   Pinnularia braunii f. nipponica
                                                   Pinnularia braunii f. subconica
                                               Pinnularia braunii var. amphicephala
                                               Pinnularia braunii var. marginata
                                               Pinnularia braunii var. moissacensis
                                               Pinnularia braunii var. nipponica
                                               Pinnularia braunii var. oboesa
                                               Pinnularia braunii var. scabrosa
                                               Pinnularia braunii var. undulata
                                             Pinnularia brebissoni
                                               Pinnularia brebissoni var. baltica
                                             Pinnularia brebissonii
                                                   Pinnularia brebissonii f. continua
                                                   Pinnularia brebissonii f. minutissima
                                                   Pinnularia brebissonii f. ornata
                                                   Pinnularia brebissonii f. parva
                                                   Pinnularia brebissonii f. subcontinua
                                               Pinnularia brebissonii var. angusta
                                               Pinnularia brebissonii var. bicuneata
                                                     [Navicula brebissonii var. notata]
                                                     [Pinnularia brebissonii var. notata]
                                                     [Pinnularia notata]
                                               Pinnularia brebissonii var. breviaristata
                                               Pinnularia brebissonii var. cruciformis
                                               Pinnularia brebissonii var. curta
                                                     [Pinnularia brebissonii f. curta]
                                               Pinnularia brebissonii var. incisa
                                               Pinnularia brebissonii var. lancarea
                                               Pinnularia brebissonii var. linearis
                                               Pinnularia brebissonii var. minuta
                                               Pinnularia brebissonii var. producta
                                               Pinnularia brebissonii var. subcapitata
                                             Pinnularia brebissoniiformis
                                             Pinnularia brevicostata
                                                   [Navicula brevicostata var. leptostauron]
                                                   [Navicula brevicostata]
                                                   [Pinnularia brevicostata var. leptostauron]
                                                   [Schizonema brevicostatum]
                                                   Pinnularia brevicostata f. cuneata
                                                   Pinnularia brevicostata f. ventricosa
                                               Pinnularia brevicostata var. crucifera
                                               Pinnularia brevicostata var. cuneata
                                               Pinnularia brevicostata var. demerarae
                                               Pinnularia brevicostata var. elongata
                                               Pinnularia brevicostata var. genuina
                                               Pinnularia brevicostata var. indica
                                               Pinnularia brevicostata var. intermedia
                                               Pinnularia brevicostata var. islandica
                                               Pinnularia brevicostata var. misionera
                                               Pinnularia brevicostata var. plana
                                               Pinnularia brevicostata var. subcapitata
                                               Pinnularia brevicostata var. sumatrana
                                               Pinnularia brevicostata var. tenuis
                                               Pinnularia brevicostata var. thaiensis
                                               Pinnularia brevicostata var. triangulata
                                               Pinnularia brevicostata var. undulata
                                             Pinnularia brevirostrata
                                             Pinnularia brevistriata
                                             Pinnularia breweriana
                                             Pinnularia bryophila
                                             Pinnularia bullacostae
                                             Pinnularia burkei (burkii)
                                             Pinnularia butantanum
                                             Pinnularia caffra
                                             Pinnularia calcutta
                                               Pinnularia calcutta var. curta
                                             Pinnularia caledonensis
                                             Pinnularia caloneiformis
                                                   Pinnularia caloneiformis f. major
                                             Pinnularia cambodiana
                                             Pinnularia canadensis
                                             Pinnularia canadodivergens
                                                   [Navicula divergens var. sublinearis]
                                                   [Pinnularia divergens var. sublinearis]
                                             Pinnularia capensis
                                             Pinnularia capitata
                                             Pinnularia caraccana
                                             Pinnularia carambolae
                                             Pinnularia carbonum
                                             Pinnularia cardinaliculus
                                                   [Schizonema cardinaliculus]
                                                   Pinnularia cardinaliculus f. major
                                               Pinnularia cardinaliculus var. ceylonica
                                             Pinnularia cardinalicus
                                             Pinnularia cardinalis
                                                   [Schizonema cardinale]
                                                   [Stauroneis cardinalis]
                                                   [Stauroptera cardinalis]
                                                   Pinnularia cardinalis f. angustior
                                                   Pinnularia cardinalis f. densistriata
                                                   Pinnularia cardinalis f. hankensis
                                                   Pinnularia cardinalis f. minuta
                                               Pinnularia cardinalis var. africana
                                               Pinnularia cardinalis var. constricta
                                               Pinnularia cardinalis var. fenestrata
                                               Pinnularia cardinalis var. hinganica
                                               Pinnularia cardinalis var. warriensis
                                             Pinnularia carlsonii
                                             Pinnularia carlssonii
                                             Pinnularia carminata
                                             Pinnularia carolinensis
                                             Pinnularia carteri
                                             Pinnularia castor
                                             Pinnularia castraregina
                                             Pinnularia catharinae
                                             Pinnularia cavacinii
                                             Pinnularia celtica
                                             Pinnularia centropuncta
                                               Pinnularia centropuncta var. lineata
                                             Pinnularia certa
                                             Pinnularia ceylanica
                                               Pinnularia ceylanica var. elliptica
                                             Pinnularia chapmaniana
                                             Pinnularia chariensis
                                               Pinnularia chariensis var. inflata
                                             Pinnularia chariessa
                                               Pinnularia chariessa var. inflata
                                             Pinnularia chasei
                                             Pinnularia cheng
                                             Pinnularia cherryfieldiana
                                             Pinnularia chetaensis
                                             Pinnularia chilensis
                                             Pinnularia chinensis
                                             Pinnularia cholnokyi
                                               Pinnularia cholnokyi var. unilateralis
                                             Pinnularia chosenica
                                             Pinnularia chutteri
                                             Pinnularia cincta
                                             Pinnularia circumducta
                                             Pinnularia claasseniae
                                             Pinnularia claviculiformis
                                             Pinnularia claviculus
                                                   [Navicula claviculus]
                                                   Pinnularia claviculus f. minor
                                               Pinnularia claviculus var. cuneata
                                               Pinnularia claviculus var. japonica
                                               Pinnularia claviculus var. javanica
                                             Pinnularia clericii
                                                   [Navicula clericii]
                                               Pinnularia clericii var. correntina
                                             Pinnularia cleveana
                                                   Pinnularia cleveana f. cleveana
                                                   Pinnularia cleveana f. stauroneiformis
                                             Pinnularia clevei
                                               Pinnularia clevei var. angusta
                                               Pinnularia clevei var. minor
                                                     [Pinnularia esox f. minor]
                                             Pinnularia cleveiformis
                                               Pinnularia cleveiformis var. ventricosa
                                             Pinnularia clevii
                                             Pinnularia clipeata
                                             Pinnularia cocconeis
                                                   [Navicula cocconeis]
                                             Pinnularia cocconeoides
                                             Pinnularia coei
                                             Pinnularia commutata
                                             Pinnularia compacta
                                             Pinnularia complanata
                                             Pinnularia completa
                                             Pinnularia complexa
                                               Pinnularia complexa var. minor
                                             Pinnularia compressa
                                             Pinnularia conferta
                                             Pinnularia confirma
                                             Pinnularia confragosa
                                             Pinnularia congeri
                                             Pinnularia congolensis
                                             Pinnularia conica
                                             Pinnularia conifera
                                                   [Navicula icostauron var. conifera]
                                             Pinnularia conops
                                             Pinnularia conspicua
                                                   [Navicula conspicua]
                                                   [Schizonema conspicuum]
                                             Pinnularia convergens
                                             Pinnularia convexa
                                             Pinnularia cooperi
                                             Pinnularia copulata
                                             Pinnularia coraensis
                                             Pinnularia cordillerae
                                             Pinnularia correntina
                                             Pinnularia corrugata
                                               Pinnularia corrugata var. linearis
                                             Pinnularia costata
                                                   [Navicula pleurophora]
                                             Pinnularia couperi
                                             Pinnularia crassa
                                             Pinnularia craticula
                                             Pinnularia crozetii
                                             Pinnularia cruciata
                                             Pinnularia crucicula
                                             Pinnularia crucifera
                                               Pinnularia crucifera var. elongata
                                             Pinnularia cruciformis
                                                   Pinnularia cruciformis f. capitata
                                               Pinnularia cruciformis var. brevior
                                               Pinnularia cruciformis var. faeroeensis
                                               Pinnularia cruciformis var. faeroensis
                                               Pinnularia cruciformis var. seychellensis
                                               Pinnularia cruciformis var. upolensis
                                             Pinnularia crux
                                             Pinnularia cruxarea
                                             Pinnularia cucumis
                                             Pinnularia cumvibia
                                             Pinnularia cuneata
                                                   [Pinnularia flexuosa var. cuneata]
                                                   [Pinnularia viridis f. cuneata]
                                                   [Pinnularia viridis var. cuneata]
                                                   Pinnularia cuneata f. semicruciata
                                               Pinnularia cuneata var. constricta
                                               Pinnularia cuneata var. magocsyi
                                               Pinnularia cuneata var. reducta
                                             Pinnularia cuneatiformis
                                             Pinnularia cuneatocapitata
                                             Pinnularia cuneatoundulata
                                             Pinnularia cuneicephala
                                                   [Navicula cuneicephala]
                                                   [Schizonema bimarginatum]
                                             Pinnularia cuneola
                                             Pinnularia cuneolata
                                             Pinnularia cuneorostrata
                                             Pinnularia curticostata
                                                   [Navicula curte-striata]
                                                   [Navicula curtestriata]
                                             Pinnularia curtispinulosa
                                             Pinnularia curtistriata
                                             Pinnularia cuyabenensis
                                             Pinnularia cymatopleura
                                             Pinnularia cymbelloides
                                             Pinnularia cyprinus
                                             Pinnularia dactyloides
                                             Pinnularia dactylus
                                                   [Navicula nobilis var. dactylus]
                                                   [Schizonema dactylus]
                                                   Pinnularia dactylus f. baicalensis
                                                   Pinnularia dactylus f. medioconstricta
                                                   Pinnularia dactylus f. nipponica
                                               Pinnularia dactylus var. argentina
                                               Pinnularia dactylus var. dariana
                                                     [Navicula dactylus var. dariana]
                                                     [Pinnularia dariana]
                                               Pinnularia dactylus var. demerarae
                                                     [Navicula dactylus var. demerarae]
                                               Pinnularia dactylus var. distincta
                                               Pinnularia dactylus var. genuina
                                               Pinnularia dactylus var. gigas
                                               Pinnularia dactylus var. horrida
                                               Pinnularia dactylus var. hyalina
                                               Pinnularia dactylus var. peruviana
                                               Pinnularia dactylus var. subundulata
                                             Pinnularia dalmatica
                                             Pinnularia debegenica
                                             Pinnularia debilis
                                             Pinnularia decocta
                                             Pinnularia decora
                                             Pinnularia decrescens
                                                   [Navicula legumen f. vix undulata]
                                                   [Navicula legumen var. decrescens]
                                                   [Pinnularia divergens var. decrescens]
                                                   [Pinnularia legumen var. decrescens]
                                                   [Schizonema subsolare]
                                               Pinnularia decrescens var. ignorata
                                                     [Pinnularia divergens var. ignorata]
                                               Pinnularia decrescens var. kerguelenensis
                                                     [Pinnularia subsolaris f. kerguelenensis]
                                               Pinnularia decrescens var. rhombarea
                                               Pinnularia decrescens var. ventricosa
                                                     [Pinnularia krasskei var. ventricosa]
                                             Pinnularia decurrens
                                             Pinnularia decussata
                                             Pinnularia delicata
                                             Pinnularia delicatissima
                                             Pinnularia denotata
                                             Pinnularia densestriata
                                             Pinnularia dentata
                                             Pinnularia denticulata
                                             Pinnularia dianae
                                             Pinnularia dicephala
                                             Pinnularia differentialis
                                             Pinnularia digitatoradiata
                                             Pinnularia digitoradiata
                                             Pinnularia dilatata
                                             Pinnularia diomphala
                                             Pinnularia discifera
                                             Pinnularia disciformis
                                             Pinnularia discrepantia
                                             Pinnularia dispar
                                             Pinnularia dispera
                                             Pinnularia dissimilis
                                             Pinnularia distincta
                                             Pinnularia distinguenda
                                                   [Navicula distinguenda]
                                                   [Navicula major var. distinguenda]
                                                   [Navicula viridis var. distinguenda]
                                                   [Pinnularia major var. distinguenda]
                                                   [Pinnularia viridis var. distinguenda]
                                                   [Schizonema distinguendum]
                                                   Pinnularia distinguenda f. striolata
                                               Pinnularia distinguenda var. asiatica
                                               Pinnularia distinguenda var. fossilis
                                               Pinnularia distinguenda var. obtusa
                                               Pinnularia distinguenda var. sphagnalis
                                             Pinnularia divaricata
                                             Pinnularia divergens
                                                   [Schizonema schweinfurthii]
                                                   [Stauroptera divergens]
                                                   Pinnularia divergens f. ceylonica
                                                   Pinnularia divergens f. linearis
                                                   Pinnularia divergens f. maior
                                                   Pinnularia divergens f. major
                                                   Pinnularia divergens f. minor
                                                   Pinnularia divergens f. ornata
                                               Pinnularia divergens var. alaskaensis
                                               Pinnularia divergens var. americana
                                               Pinnularia divergens var. attenuato
                                               Pinnularia divergens var. biconstricta
                                                     [Pinnularia divergens f. biconstricta]
                                               Pinnularia divergens var. capitata
                                               Pinnularia divergens var. continua
                                               Pinnularia divergens var. cuneata
                                               Pinnularia divergens var. elongata
                                               Pinnularia divergens var. genuina
                                               Pinnularia divergens var. japonica
                                               Pinnularia divergens var. laticeps
                                               Pinnularia divergens var. linearis
                                                     [Pinnularia parallela var. crassa]
                                               Pinnularia divergens var. madagascariensis
                                               Pinnularia divergens var. malayensis
                                               Pinnularia divergens var. media
                                               Pinnularia divergens var. mesoleptiformis
                                               Pinnularia divergens var. parallela
                                               Pinnularia divergens var. perundulata
                                               Pinnularia divergens var. protracta
                                               Pinnularia divergens var. rhombundulata
                                               Pinnularia divergens var. rostrata
                                               Pinnularia divergens var. rugosa
                                               Pinnularia divergens var. subbacillaris
                                               Pinnularia divergens var. subcapitata
                                               Pinnularia divergens var. subcuneata
                                               Pinnularia divergens var. sublineariformis
                                               Pinnularia divergens var. subundulata
                                               Pinnularia divergens var. tumida
                                               Pinnularia divergens var. undulata
                                               Pinnularia divergens var. warriensis
                                             Pinnularia divergentissima
                                                   [Navicula divergentissima]
                                                   [Pinnularia fottii]
                                                   [Schizonema divergentissimum]
                                                   Pinnularia divergentissima f. elongata
                                               Pinnularia divergentissima var. ardnamurchan
                                               Pinnularia divergentissima var. capitata
                                               Pinnularia divergentissima var. hustedtiana
                                               Pinnularia divergentissima var. lata
                                               Pinnularia divergentissima var. minor
                                               Pinnularia divergentissima var. subacuta
                                               Pinnularia divergentissima var. triundulata
                                               Pinnularia divergentissima var. typica
                                               Pinnularia divergentissima var. undulata
                                             Pinnularia divergentissimoides
                                             Pinnularia diversa
                                               Pinnularia diversa var. subcapitata
                                             Pinnularia diversarea
                                             Pinnularia doeringii
                                               Pinnularia doeringii var. undulata
                                             Pinnularia doloma
                                               Pinnularia doloma var. fasciata
                                             Pinnularia dolosa
                                               Pinnularia dolosa var. chariessa
                                             Pinnularia domestica
                                             Pinnularia domingensis
                                               Pinnularia domingensis var. cuneata
                                               Pinnularia domingensis var. tenuis
                                             Pinnularia dornii
                                             Pinnularia dorogostaiskii
                                               Pinnularia dorogostaiskii var. latior
                                             Pinnularia dubiosa
                                             Pinnularia dubitabilis
                                                   [Pinnularia borealis var. rectangulata]
                                               Pinnularia dubitabilis var. minor
                                             Pinnularia dulcicola
                                             Pinnularia dumontiorum
                                             Pinnularia dux
                                             Pinnularia eburnea
                                               Pinnularia eburnea var. minor
                                             Pinnularia egregia
                                             Pinnularia ehrenbergii
                                             Pinnularia eifelana
                                                   [Pinnularia esoxiformis var. eifelana]
                                             Pinnularia elegans
                                                   [Pinnunavis elegans]
                                                   [Schizonema elegans]
                                             Pinnularia elliptica
                                             Pinnularia elongatoides
                                                   Pinnularia elongatoides f. linearis
                                             Pinnularia entomon
                                             Pinnularia episcopalis
                                                   [Schizonema episcopale]
                                               Pinnularia episcopalis var. africana
                                               Pinnularia episcopalis var. brevis
                                               Pinnularia episcopalis var. elliptica
                                               Pinnularia episcopalis var. elongata
                                               Pinnularia episcopalis var. hankensis
                                               Pinnularia episcopalis var. lineata
                                               Pinnularia episcopalis var. manschurica
                                               Pinnularia episcopalis var. perelliptica
                                               Pinnularia episcopalis var. robusta
                                             Pinnularia ergadensis
                                               Pinnularia ergadensis var. minor
                                             Pinnularia erratica
                                                   [Pinnularia gibba var. mesogongyla]
                                               Pinnularia erratica var. fossilis
                                             Pinnularia esox
                                                   Pinnularia esox f. curta
                                                   Pinnularia esox f. maior
                                               Pinnularia esox var. biconstricta
                                               Pinnularia esox var. capitata
                                               Pinnularia esox var. ceylanica
                                               Pinnularia esox var. esox
                                               Pinnularia esox var. fasciata
                                               Pinnularia esox var. gracilescens
                                               Pinnularia esox var. hinganica
                                               Pinnularia esox var. islandica
                                               Pinnularia esox var. madagascarensis
                                               Pinnularia esox var. parallela
                                               Pinnularia esox var. ventricosa
                                             Pinnularia esoxiformis
                                               Pinnularia esoxiformis var. angusta
                                             Pinnularia essentialis
                                             Pinnularia eumontana
                                             Pinnularia excellens
                                               Pinnularia excellens var. interrupta
                                             Pinnularia extenda
                                             Pinnularia extralonga
                                             Pinnularia fasciata
                                               Pinnularia fasciata var. inflata
                                             Pinnularia ferroindulgentissima
                                             Pinnularia ferrophila
                                             Pinnularia filarszkyi
                                             Pinnularia fistuca
                                             Pinnularia flamma
                                             Pinnularia flammula
                                             Pinnularia flexuosa
                                                   [Schizonema flexuosum]
                                                   Pinnularia flexuosa f. minor
                                               Pinnularia flexuosa var. neglecta
                                             Pinnularia floridae
                                             Pinnularia floridana
                                             Pinnularia fluminea
                                             Pinnularia fluminensis
                                             Pinnularia folium
                                             Pinnularia fontellii
                                             Pinnularia fonticola
                                             Pinnularia forficula
                                             Pinnularia formica
                                             Pinnularia fossilis
                                             Pinnularia fragilis
                                             Pinnularia franciscana
                                             Pinnularia frauenbergiana
                                               Pinnularia frauenbergiana var. caloneiopsis
                                             Pinnularia frequentis
                                             Pinnularia fritschiana
                                             Pinnularia fritschii
                                               Pinnularia fritschii var. lata
                                             Pinnularia fulva
                                             Pinnularia fumantii
                                               Pinnularia fumantii var. pumila
                                             Pinnularia fusana
                                             Pinnularia fusiformis
                                             Pinnularia fusus
                                             Pinnularia garganica
                                             Pinnularia gasseana
                                             Pinnularia gebhardi
                                             Pinnularia gemina
                                             Pinnularia genkalii
                                             Pinnularia gentilis
                                                   [Navicula gentilis]
                                                   [Navicula nobilis var. gentilis]
                                                   [Pinnularia viridis var. clevei]
                                                   [Schizonema gentile]
                                               Pinnularia gentilis var. fossilis
                                               Pinnularia gentilis var. sibirica
                                               Pinnularia gentilis var. subacuta
                                             Pinnularia gibba
                                                   [Navicula abaujensis]
                                                   [Schizonema stauropterum]
                                                   [Stauroneis gibba]
                                                   [Stauroptera gibba]
                                                   Pinnularia gibba f. constrict
                                                   Pinnularia gibba f. constricta
                                                   Pinnularia gibba f. cuneo
                                                   Pinnularia gibba f. hinganica
                                                   Pinnularia gibba f. minutissima
                                                   Pinnularia gibba f. polymorpha
                                                   Pinnularia gibba f. semicruciata
                                                   Pinnularia gibba f. undulata
                                                   Pinnularia gibba f. unipunctata
                                               Pinnularia gibba var. acrosphaeria
                                               Pinnularia gibba var. baikalensis
                                               Pinnularia gibba var. biwensis
                                               Pinnularia gibba var. brevistriata
                                               Pinnularia gibba var. clevei
                                               Pinnularia gibba var. cuneata
                                               Pinnularia gibba var. curta
                                               Pinnularia gibba var. dissimilia
                                               Pinnularia gibba var. dissimilis
                                               Pinnularia gibba var. eburnea
                                               Pinnularia gibba var. erectus
                                               Pinnularia gibba var. genuina
                                               Pinnularia gibba var. interrrupta
                                               Pinnularia gibba var. meogongyla
                                               Pinnularia gibba var. neglecta
                                               Pinnularia gibba var. nipponica
                                               Pinnularia gibba var. okamurae
                                               Pinnularia gibba var. peckii
                                               Pinnularia gibba var. sancta
                                               Pinnularia gibba var. semicruciata
                                               Pinnularia gibba var. sphagnicola
                                               Pinnularia gibba var. sub
                                               Pinnularia gibba var. subsancta
                                             Pinnularia gibberula
                                             Pinnularia gibbiformis
                                                   [Frustulia acrosphaeria]
                                                   [Schizonema acrosphaerium]
                                               Pinnularia gibbiformis var. floralensis
                                               Pinnularia gibbiformis var. madagascariensis
                                             Pinnularia gigaformis
                                             Pinnularia gigantea
                                             Pinnularia gigas
                                             Pinnularia glacialis
                                             Pinnularia globiceps
                                                   [Schizonema globiceps]
                                                   Pinnularia globiceps f. minor
                                               Pinnularia globiceps var. angustifasciata
                                               Pinnularia globiceps var. globiceps
                                               Pinnularia globiceps var. krookei
                                               Pinnularia globiceps var. linearis
                                               Pinnularia globiceps var. typica
                                             Pinnularia gnoma
                                             Pinnularia gracilens
                                                   Pinnularia gracilens f. continua
                                               Pinnularia gracilens var. subconstricta
                                             Pinnularia graciliodes
                                               Pinnularia graciliodes var. latecapitata
                                             Pinnularia gracilis
                                             Pinnularia gracilivalvis
                                             Pinnularia gracillima
                                                   [Schizonema gracillimum]
                                               Pinnularia gracillima var. hinganica
                                               Pinnularia gracillima var. interrupta
                                             Pinnularia graciloides
                                                   [Pinnularia franconica]
                                                   Pinnularia graciloides f. ornata
                                                   Pinnularia graciloides f. simplex
                                               Pinnularia graciloides var. africana
                                               Pinnularia graciloides var. jogensis
                                               Pinnularia graciloides var. krasskei
                                               Pinnularia graciloides var. notata
                                               Pinnularia graciloides var. rumrichae
                                               Pinnularia graciloides var. triundulata
                                                     [Pinnularia stomatophora f. triundulata]
                                               Pinnularia graciloides var. zululandica
                                             Pinnularia graphica
                                             Pinnularia groenlandica
                                             Pinnularia grudeensis
                                             Pinnularia grunowii
                                             Pinnularia guadalupensis
                                             Pinnularia guillarmodiae
                                             Pinnularia guineensis
                                             Pinnularia hagelsteinii
                                             Pinnularia halophila
                                             Pinnularia hamelii
                                             Pinnularia hannii
                                             Pinnularia harrisonii
                                             Pinnularia hartleyana
                                                   Pinnularia hartleyana f. linearis
                                                   Pinnularia hartleyana f. minor
                                               Pinnularia hartleyana subsp. orientalis
                                               Pinnularia hartleyana var. attenuata
                                               Pinnularia hartleyana var. curta
                                               Pinnularia hartleyana var. notata
                                               Pinnularia hartleyana var. orientalis
                                               Pinnularia hartleyana var. parva
                                               Pinnularia hartleyana var. pulchella
                                             Pinnularia hedini
                                             Pinnularia hemiptera
                                                   Pinnularia hemiptera f. angustior
                                                   Pinnularia hemiptera f. constricta
                                               Pinnularia hemiptera var. baicalensis
                                               Pinnularia hemiptera var. caloneiformis
                                               Pinnularia hemiptera var. constricta
                                               Pinnularia hemiptera var. debilis
                                               Pinnularia hemiptera var. genuina
                                               Pinnularia hemiptera var. hemiptera
                                               Pinnularia hemiptera var. longelineata
                                               Pinnularia hemiptera var. major
                                               Pinnularia hemiptera var. obtusa
                                               Pinnularia hemiptera var. perminuta
                                             Pinnularia hemipteriformis
                                             Pinnularia hemprichii
                                             Pinnularia heroina
                                                   [Navicula heroina]
                                                   [Navicula major var. heroina]
                                                   [Pinnularia major (maior) var. heroina]
                                             Pinnularia heterostricta
                                             Pinnularia higoensis
                                             Pinnularia hilseana
                                               Pinnularia hilseana var. japonica
                                             Pinnularia himantidium
                                             Pinnularia hinganica
                                             Pinnularia honshu
                                             Pinnularia hudsonensis
                                             Pinnularia hudsonii
                                             Pinnularia humilis
                                             Pinnularia hustedti
                                               Pinnularia hustedti var. nipponica
                                             Pinnularia hustedtiana
                                             Pinnularia hustedtii
                                                   Pinnularia hustedtii f. spitsbergensis
                                               Pinnularia hustedtii var. rangtangense
                                             Pinnularia hyalina
                                               Pinnularia hyalina var. cuyabenensis
                                             Pinnularia hybrida
                                                   Pinnularia hybrida f. acuminata
                                                   Pinnularia hybrida f. excelsa
                                                   Pinnularia hybrida f. triangulata
                                               Pinnularia hybrida var. interrupta
                                               Pinnularia hybrida var. perlonga
                                             Pinnularia hyperborea
                                             Pinnularia hyrtlii
                                               Pinnularia hyrtlii var. magellancia
                                             Pinnularia iatriaensis
                                             Pinnularia ignobilis
                                             Pinnularia ignota
                                             Pinnularia ilkaschoenfelderae
                                             Pinnularia impassa
                                             Pinnularia imperatrix
                                             Pinnularia imperfecta
                                             Pinnularia imurukensis
                                             Pinnularia inaequalis
                                             Pinnularia inarensis
                                             Pinnularia incepta
                                             Pinnularia incerta
                                             Pinnularia incognita
                                             Pinnularia incommoda
                                             Pinnularia inconspicua
                                             Pinnularia inconstans
                                                   [Navicula inconstans]
                                                   [Pinnularia hemiptera var. inconstans]
                                             Pinnularia incrassata
                                             Pinnularia inculpata
                                             Pinnularia incurva
                                             Pinnularia indica
                                             Pinnularia infirma
                                             Pinnularia inflata
                                               Pinnularia inflata var. major
                                             Pinnularia insidiosa
                                             Pinnularia insignis
                                             Pinnularia insociabilis
                                                   [Navicula brebissonii var. linearis]
                                                   [Pinnularia microstauron f. linearis]
                                             Pinnularia instabiliformis
                                             Pinnularia instabilis
                                                   [Navicula instabilis]
                                                   [Pinnularia acuminata var. instabilis]
                                             Pinnularia instita
                                             Pinnularia insularis
                                             Pinnularia intermedia
                                             Pinnularia interrupta
                                                   Pinnularia interrupta f. braunii
                                                   Pinnularia interrupta f. constricta
                                                   Pinnularia interrupta f. hankensis
                                                   Pinnularia interrupta f. minutissima
                                                   Pinnularia interrupta f. ornata
                                               Pinnularia interrupta var. amphirhynchus
                                               Pinnularia interrupta var. cuneata
                                               Pinnularia interrupta var. genuina
                                               Pinnularia interrupta var. intermedia
                                               Pinnularia interrupta var. sinica
                                             Pinnularia interruptiformis
                                                   [Pinnularia biceps f. minor]
                                                   [Pinnularia biceps f. petersenii]
                                                   [Pinnularia interrupta f. minor]
                                             Pinnularia irregularis
                                             Pinnularia islandica
                                                   [Pinnularia major var. woerthensis]
                                                   [Pinnularia woerthensis]
                                             Pinnularia isocephala
                                             Pinnularia isostauron
                                                   [Navicula icostauron (isostauron)]
                                                   [Navicula isostauron (icostauron)]
                                                   [Navicula viridis var. icostauron]
                                                   [Pinnularia viridis var. isostauron (icostauron)]
                                                   [Stauroneis icostauron]
                                                   [Stauroptera isostauron]
                                                   Pinnularia isostauron f. semicruciata
                                                   Pinnularia isostauron f. subconstricta
                                                   Pinnularia isostauron f. subinflata
                                               Pinnularia isostauron var. continua
                                               Pinnularia isostauron var. orientalis
                                             Pinnularia isselana
                                                   [Pinnularia rupestris var. cuneata]
                                                   [Pinnularia subrupestris var. parva]
                                             Pinnularia italica
                                             Pinnularia ivaloensis
                                             Pinnularia jacotiae
                                             Pinnularia jaernefeltii
                                             Pinnularia jamtlandica
                                             Pinnularia japonica
                                             Pinnularia jarensis
                                             Pinnularia joculata
                                                   [Pinnularia biceps var. joculata]
                                                   [Pinnularia interrupta var. joculata]
                                             Pinnularia johannae
                                             Pinnularia johnsonii
                                               Pinnularia johnsonii var. parva
                                             Pinnularia jouse
                                             Pinnularia julma
                                             Pinnularia jungii
                                             Pinnularia kaffrorum
                                             Pinnularia kanakarum
                                             Pinnularia kaolakiana
                                             Pinnularia karelica
                                                   [Schizonema karelicum]
                                                   Pinnularia karelica f. obtusa
                                               Pinnularia karelica var. baicalensis
                                               Pinnularia karelica var. capitata
                                               Pinnularia karelica var. genuina
                                               Pinnularia karelica var. insularis
                                               Pinnularia karelica var. japonica
                                               Pinnularia karelica var. rostrata
                                               Pinnularia karelica var. stauroneiformis
                                               Pinnularia karelica var. subcapitata
                                             Pinnularia karnatica
                                             Pinnularia kawamurae
                                             Pinnularia kefwingea
                                             Pinnularia kerguelensis
                                             Pinnularia kisselewii
                                               Pinnularia kisselewii var. attenuata
                                               Pinnularia kisselewii var. gracilis
                                               Pinnularia kisselewii var. hinganica
                                               Pinnularia kisselewii var. intermedia
                                               Pinnularia kisselewii var. parallela
                                               Pinnularia kisselewii var. soochowensis
                                               Pinnularia kisselewii var. subacuta
                                             Pinnularia kittelii
                                             Pinnularia kiusiuensis
                                             Pinnularia kneuckerii
                                                   Pinnularia kneuckerii f. linearis
                                             Pinnularia kochii
                                             Pinnularia kociolekii
                                             Pinnularia kolbei
                                             Pinnularia kolbeiana
                                             Pinnularia kolhapurensis
                                             Pinnularia kraeuselii
                                             Pinnularia krammeri
                                             Pinnularia krasnojarskensis
                                               Pinnularia krasnojarskensis var. constricta
                                             Pinnularia krasskei
                                             Pinnularia kriegeriana
                                                   Pinnularia kriegeriana f. undulata
                                             Pinnularia krockii
                                                   [Navicula krockii]
                                             Pinnularia kuetzingii
                                             Pinnularia kuolensis
                                             Pinnularia kwacksii
                                             Pinnularia lacunicola
                                             Pinnularia lacus-baikali
                                               Pinnularia lacus-baikali var. gibbosa
                                               Pinnularia lacus-baikali var. linearis
                                             Pinnularia lacus-biwa
                                             Pinnularia lacus-hankae
                                             Pinnularia lacustris
                                             Pinnularia lagerheimia
                                               Pinnularia lagerheimia var. alandica
                                             Pinnularia lagerheimii
                                               Pinnularia lagerheimii var. alandica
                                             Pinnularia lagerstedtii
                                                   [Pinnularia lagerstedti]
                                                   [Pinnularia parva var. lagerstedtii]
                                             Pinnularia lailaensis
                                             Pinnularia lamprocampa
                                             Pinnularia lanceolata
                                               Pinnularia lanceolata var. interrupta
                                               Pinnularia lanceolata var. pulchella
                                             Pinnularia lancetula
                                             Pinnularia lange-bertalotii
                                                   [Navicula dicephala var. stauroneiformis]
                                                   [Pinnularia dicephala var. stauroneiformis]
                                                   [Pinnularia mesolepta f. laticeps]
                                             Pinnularia laperousei
                                             Pinnularia lapponica
                                               Pinnularia lapponica var. alpina
                                               Pinnularia lapponica var. constricta
                                             Pinnularia lata
                                                   [Frustulia lata]
                                                   [Navicula lata var. pachyptera]
                                                   [Pinnularia hebridensis]
                                                   [Pinnularia lata var. pachyptera]
                                                   [Pinnularia pachyptera]
                                                   [Schizonema latum]
                                                   Pinnularia lata f. angustior
                                                   Pinnularia lata f. linearis
                                                   Pinnularia lata f. serians
                                                   Pinnularia lata f. thuringiaca
                                               Pinnularia lata var. amplissima
                                               Pinnularia lata var. bacilliformis
                                               Pinnularia lata var. biconstricta
                                               Pinnularia lata var. constricta
                                               Pinnularia lata var. costata
                                               Pinnularia lata var. curta
                                               Pinnularia lata var. hinganica
                                               Pinnularia lata var. intermedia
                                               Pinnularia lata var. karelica
                                               Pinnularia lata var. latestriata
                                                     [Pinnularia latistriata]
                                               Pinnularia lata var. media
                                               Pinnularia lata var. megaloptera
                                               Pinnularia lata var. minor
                                               Pinnularia lata var. rabenhorstii
                                               Pinnularia lata var. rostrata
                                               Pinnularia lata var. thuringiaca
                                             Pinnularia latarea
                                               Pinnularia latarea var. thermophila
                                                     [Pinnularia mesolepta var. intermedia]
                                             Pinnularia lateradiata
                                             Pinnularia laterotundata
                                             Pinnularia latevittata
                                               Pinnularia latevittata var. domingensis
                                                     [Navicula latevittata var. domingensis]
                                               Pinnularia latevittata var. minor
                                               Pinnularia latevittata var. spathulata
                                             Pinnularia laticeps
                                             Pinnularia latifascia
                                             Pinnularia latiuscula
                                             Pinnularia latofasciata
                                             Pinnularia laucensis
                                             Pinnularia lawsonii
                                             Pinnularia lecohui
                                             Pinnularia legumen
                                                   [Schizonema legumen]
                                                   Pinnularia legumen f. interrupta
                                                   Pinnularia legumen f. minor
                                                   Pinnularia legumen f. normalis
                                                   Pinnularia legumen f. staurophora
                                                   Pinnularia legumen f. truncata
                                               Pinnularia legumen var. capitata
                                               Pinnularia legumen var. florentina
                                               Pinnularia legumen var. genuina
                                               Pinnularia legumen var. hinganica
                                               Pinnularia legumen var. interrupta
                                               Pinnularia legumen var. kizaki
                                               Pinnularia legumen var. legumen
                                               Pinnularia legumen var. longa
                                                     [Pinnularia stauroptera var. longa]
                                               Pinnularia legumen var. nipponica
                                               Pinnularia legumen var. ornata
                                               Pinnularia legumen var. subcapitata
                                               Pinnularia legumen var. subsolaris
                                             Pinnularia legumiformis
                                             Pinnularia lenticula
                                                   [Pinnularia brebissonii var. lanceolata]
                                                   [Pinnularia lenticula var. genuina]
                                                   [Pinnularia lenticula var. lanceolata]
                                             Pinnularia lenticuloides
                                             Pinnularia leontopithecus-rosalia
                                             Pinnularia leptogongyla
                                             Pinnularia leptosoma
                                               Pinnularia leptosoma var. arctica
                                               Pinnularia leptosoma var. hinganica
                                               Pinnularia leptosoma var. nipponica
                                               Pinnularia leptosoma var. typica
                                               Pinnularia leptosoma var. undulata
                                             Pinnularia leptosomiformis
                                             Pinnularia leptosomoides
                                             Pinnularia lesothensis
                                             Pinnularia libyca
                                             Pinnularia licuarae
                                             Pinnularia lignitica
                                             Pinnularia lindanedbalovae
                                             Pinnularia linearis
                                             Pinnularia lineolata
                                             Pinnularia liouana
                                               Pinnularia liouana var. hinganica
                                             Pinnularia lobata
                                             Pinnularia lodloviana
                                                   Pinnularia lodloviana f. subrostrata
                                             Pinnularia lokana
                                             Pinnularia lonavlensis
                                             Pinnularia loveridgei
                                             Pinnularia ludloviana
                                                   Pinnularia ludloviana f. subrostrata
                                               Pinnularia ludloviana var. staurophora
                                             Pinnularia lunata
                                             Pinnularia lundii
                                                   [Navicula globiceps var. crassior]
                                                   [Navicula interrupta var. crassior]
                                                   [Pinnularia globiceps var. crassior]
                                                   [Pinnularia interrupta var. crassior]
                                               Pinnularia lundii var. linearis
                                             Pinnularia lyra
                                             Pinnularia lyrella
                                             Pinnularia m?gocsyana
                                             Pinnularia macilenta
                                                   [Pinnularia subgibba var. hustedtii]
                                             Pinnularia macra
                                             Pinnularia macrocephala
                                             Pinnularia macrostauron
                                                   Pinnularia macrostauron f. linearis
                                             Pinnularia maculata
                                             Pinnularia maeandrata
                                             Pinnularia magnaconvexa
                                             Pinnularia magnacuneata
                                             Pinnularia magocsyana
                                             Pinnularia magocsyi
                                             Pinnularia maharashtrensis
                                             Pinnularia maior
                                                   Pinnularia maior f. crucigera
                                                   Pinnularia maior f. hyalina
                                                   Pinnularia maior f. neglecta
                                                   Pinnularia maior f. semicruciata
                                                   Pinnularia maior f. subconstricta
                                               Pinnularia maior var. dolabrifera
                                               Pinnularia maior var. dolabriformis
                                               Pinnularia maior var. genuina
                                               Pinnularia maior var. hyalina
                                               Pinnularia maior var. paludosa
                                             Pinnularia maior (major)
                                               Pinnularia maior (major) var. linearis
                                             Pinnularia major
                                                   [Frustulia major]
                                                   [Schizonema majus]
                                                   Pinnularia major f. constricta
                                                   Pinnularia major f. hankensis
                                                   Pinnularia major f. hinganica
                                                   Pinnularia major f. manschurica
                                                   Pinnularia major f. minor
                                                   Pinnularia major f. parva
                                                   Pinnularia major f. semicruciata
                                                   Pinnularia major f. tropica
                                                   Pinnularia major f. typica
                                               Pinnularia major var. ambigua
                                               Pinnularia major var. baicalensis
                                               Pinnularia major var. biconstricta
                                               Pinnularia major var. convergens
                                               Pinnularia major var. crassa
                                               Pinnularia major var. dubia
                                               Pinnularia major var. elliptica
                                               Pinnularia major var. flexuosa
                                               Pinnularia major var. heribaudii
                                               Pinnularia major var. horrida
                                               Pinnularia major var. hustedti
                                               Pinnularia major var. hyalina
                                               Pinnularia major var. kuetzingii
                                               Pinnularia major var. lacustris
                                               Pinnularia major var. major
                                               Pinnularia major var. medio
                                               Pinnularia major var. neglecta
                                               Pinnularia major var. nipponica
                                               Pinnularia major var. paludosa
                                               Pinnularia major var. sagensis
                                               Pinnularia major var. shantungensis
                                               Pinnularia major var. sublinearis
                                               Pinnularia major var. turfosa
                                               Pinnularia major var. turgidula
                                                     [Navicula major var. turgidula]
                                             Pinnularia major (maior)
                                               Pinnularia major (maior) var. linearis
                                                     [Navicula major var. andesitica]
                                                     [Navicula major var. linearis]
                                                     [Pinnularia major (maior) f. linearis]
                                                     [Pinnularia major var. andesitica]
                                               Pinnularia major (maior) var. subacuta
                                             Pinnularia makahana
                                             Pinnularia mankesimensis
                                             Pinnularia mansiensis
                                             Pinnularia marathwadensis
                                             Pinnularia marchica
                                               Pinnularia marchica var. subrostrata
                                             Pinnularia mareifelana
                                             Pinnularia marginata
                                             Pinnularia margino-striata
                                             Pinnularia marginulata
                                             Pinnularia martini
                                                   Pinnularia martini f. capitata
                                                   Pinnularia martini f. elliptica
                                             Pinnularia martinii
                                               Pinnularia martinii var. capitata
                                             Pinnularia mayeri
                                                   [Pinnularia amphicephala]
                                                   [Pinnularia biceps var. amphicephala]
                                             Pinnularia media
                                             Pinnularia medio-constricta
                                             Pinnularia megalodon
                                             Pinnularia megaloptera
                                             Pinnularia meisteriana
                                             Pinnularia meridiana
                                               Pinnularia meridiana var. concava
                                               Pinnularia meridiana var. meridiana
                                               Pinnularia meridiana var. parallela
                                             Pinnularia mesogongyla
                                                   [Schizonema mesogongylum]
                                                   Pinnularia mesogongyla f. minor
                                               Pinnularia mesogongyla var. interrupta
                                               Pinnularia mesogongyla var. linearis
                                             Pinnularia mesolepta
                                                   [Schizonema mesoleptum]
                                                   Pinnularia mesolepta f. angusta
                                                   Pinnularia mesolepta f. hankensis
                                                   Pinnularia mesolepta f. hinganica
                                                   Pinnularia mesolepta f. interrupta
                                                   Pinnularia mesolepta f. semicruciata
                                                   Pinnularia mesolepta f. sinica
                                                   Pinnularia mesolepta f. subundulata
                                                   Pinnularia mesolepta f. typica
                                                   Pinnularia mesolepta f. vix
                                               Pinnularia mesolepta var. constricta
                                               Pinnularia mesolepta var. elongata
                                               Pinnularia mesolepta var. genuina
                                               Pinnularia mesolepta var. gibberula
                                               Pinnularia mesolepta var. indica
                                               Pinnularia mesolepta var. interrupta
                                               Pinnularia mesolepta var. medio
                                               Pinnularia mesolepta var. mesolepta
                                               Pinnularia mesolepta var. nivalis
                                               Pinnularia mesolepta var. polyonca
                                               Pinnularia mesolepta var. recta
                                               Pinnularia mesolepta var. tenuis
                                             Pinnularia mesoleptiformis
                                             Pinnularia mesotyla
                                             Pinnularia metzeltinii
                                             Pinnularia meyerii
                                               Pinnularia meyerii var. hinganica
                                             Pinnularia mica
                                             Pinnularia microsphenia
                                             Pinnularia microstauron
                                                   [Navicula bicapitata var. hybrida]
                                                   [Navicula parva]
                                                   [Navicula subcapitata var. hybrida]
                                                   [Pinnularia brebissonii var. hybrida]
                                                   [Pinnularia brebissonii var. subproducta]
                                                   [Pinnularia subcapitata var. hybrida]
                                                   [Schizonema microstauron]
                                                   [Stauroneis microstauron]
                                                   [Stauroptera microstauron]
                                                   [Stauroptera parva]
                                                   Pinnularia microstauron f. abnormis
                                                   Pinnularia microstauron f. altitudinalis
                                                   Pinnularia microstauron f. angusta
                                                   Pinnularia microstauron f. capitata
                                                   Pinnularia microstauron f. ceylonica
                                                   Pinnularia microstauron f. cuneata
                                                   Pinnularia microstauron f. curta
                                                   Pinnularia microstauron f. diminuta
                                                   Pinnularia microstauron f. dubia
                                                   Pinnularia microstauron f. genuina
                                                   Pinnularia microstauron f. lanceolata
                                                   Pinnularia microstauron f. lata
                                                   Pinnularia microstauron f. longirostris
                                                   Pinnularia microstauron f. minima
                                                   Pinnularia microstauron f. minor
                                                   Pinnularia microstauron f. minutissima
                                                   Pinnularia microstauron f. normalis
                                                   Pinnularia microstauron f. ornata
                                                   Pinnularia microstauron f. parva
                                                   Pinnularia microstauron f. pygmaea
                                                   Pinnularia microstauron f. robusta
                                                   Pinnularia microstauron f. semicruciata
                                               Pinnularia microstauron var. adirondackensis
                                               Pinnularia microstauron var. ambigua
                                               Pinnularia microstauron var. angusta
                                               Pinnularia microstauron var. australis
                                               Pinnularia microstauron var. biundulata
                                               Pinnularia microstauron var. brasiliensis
                                               Pinnularia microstauron var. brebissonii
                                               Pinnularia microstauron var. ceylonica
                                               Pinnularia microstauron var. dahomeyensis
                                               Pinnularia microstauron var. diminuta
                                               Pinnularia microstauron var. elongata
                                               Pinnularia microstauron var. eu
                                               Pinnularia microstauron var. fuelensis
                                               Pinnularia microstauron var. genuina
                                               Pinnularia microstauron var. kizakensis
                                               Pinnularia microstauron var. linearis
                                               Pinnularia microstauron var. lunicus
                                               Pinnularia microstauron var. mediocostata
                                               Pinnularia microstauron var. minores
                                               Pinnularia microstauron var. nipponica
                                               Pinnularia microstauron var. nonfasciata
                                                     [Pinnularia caudata]
                                                     [Pinnularia viridis var. caudata]
                                               Pinnularia microstauron var. parallela
                                               Pinnularia microstauron var. perrostrata
                                               Pinnularia microstauron var. recta
                                               Pinnularia microstauron var. rhomboides
                                               Pinnularia microstauron var. rostrata
                                               Pinnularia microstauron var. subundulata
                                               Pinnularia microstauron var. tenuirostris
                                             Pinnularia millsii
                                             Pinnularia minor
                                               Pinnularia minor var. jeniseyensis
                                             Pinnularia minoricapitata
                                                   [Pinnularia minutiformis]
                                             Pinnularia minuta
                                                   [Pinnularia parva var. minuta]
                                             Pinnularia minutiformnis
                                             Pinnularia miocenica
                                             Pinnularia misionera
                                             Pinnularia modesta
                                             Pinnularia moelleri
                                                   [Pinnularia hemiptera var. brevistriata]
                                             Pinnularia moesziana
                                             Pinnularia molaris
                                               Pinnularia molaris var. asiatica
                                               Pinnularia molaris var. brevis
                                               Pinnularia molaris var. constricta
                                               Pinnularia molaris var. hinganica
                                               Pinnularia molaris var. lapponica
                                               Pinnularia molaris var. producta
                                             Pinnularia molesta
                                             Pinnularia mondimia
                                             Pinnularia mongolica
                                               Pinnularia mongolica var. lanceolata
                                             Pinnularia monile
                                             Pinnularia monostigma
                                             Pinnularia montana
                                                   Pinnularia montana f. minor
                                               Pinnularia montana var. sinica
                                             Pinnularia montgomeryana
                                             Pinnularia mormonorum
                                             Pinnularia multicostata
                                             Pinnularia murdeguensis
                                             Pinnularia myensis
                                             Pinnularia mysorense
                                             Pinnularia nakaii
                                               Pinnularia nakaii var. indica
                                             Pinnularia neglecta
                                               Pinnularia neglecta var. interrupta
                                               Pinnularia neglecta var. undulata
                                             Pinnularia neglectiformis
                                             Pinnularia negoroi
                                             Pinnularia nem?nyiana
                                             Pinnularia nemenyana
                                             Pinnularia neomajor
                                               Pinnularia neomajor var. cuneata
                                               Pinnularia neomajor var. frequentis
                                               Pinnularia neomajor var. inflata
                                               Pinnularia neomajor var. intermedia
                                                     [Navicula viridis var. intermedia]
                                                     [Pinnularia viridis var. intermedia]
                                             Pinnularia neuguina
                                             Pinnularia nigritiensis
                                             Pinnularia nipponica
                                             Pinnularia nitzschiophila
                                             Pinnularia nobilefasciata
                                             Pinnularia nobilis
                                                   [Schizonema nobile]
                                                   Pinnularia nobilis f. brevis
                                                   Pinnularia nobilis f. intermedia
                                                   Pinnularia nobilis f. minor
                                               Pinnularia nobilis var. attenuata
                                               Pinnularia nobilis var. constricta
                                               Pinnularia nobilis var. densestriata
                                               Pinnularia nobilis var. distincta
                                               Pinnularia nobilis var. gentilis
                                               Pinnularia nobilis var. genuina
                                               Pinnularia nobilis var. gracillima
                                               Pinnularia nobilis var. horrida
                                               Pinnularia nobilis var. inariensis
                                               Pinnularia nobilis var. intermedia
                                               Pinnularia nobilis var. linearis
                                               Pinnularia nobilis var. major
                                               Pinnularia nobilis var. manschurica
                                               Pinnularia nobilis var. mingiana
                                               Pinnularia nobilis var. mirabilis
                                               Pinnularia nobilis var. neogena
                                               Pinnularia nobilis var. obesa
                                               Pinnularia nobilis var. parallela
                                               Pinnularia nobilis var. regularis
                                               Pinnularia nobilis var. sibirica
                                               Pinnularia nobilis var. soochowensis
                                               Pinnularia nobilis var. subparallela
                                               Pinnularia nobilis var. triangulata
                                               Pinnularia nobilis var. triundulata
                                             Pinnularia nodosa
                                                   [Navicula mesolepta var. nodosa]
                                                   [Pinnularia mesolepta var. nodosa]
                                                   [Pinnularia nodosa f. capitata]
                                                   [Schizonema nodosum]
                                                   Pinnularia nodosa f. genuina
                                                   Pinnularia nodosa f. interrupta
                                                   Pinnularia nodosa f. semicruciata
                                                   Pinnularia nodosa f. truncata
                                               Pinnularia nodosa var. capitata
                                               Pinnularia nodosa var. constricta
                                               Pinnularia nodosa var. debegenica
                                               Pinnularia nodosa var. formica
                                               Pinnularia nodosa var. genuina
                                               Pinnularia nodosa var. hankensis
                                               Pinnularia nodosa var. japonica
                                               Pinnularia nodosa var. maakii
                                               Pinnularia nodosa var. minor
                                               Pinnularia nodosa var. nodosa
                                               Pinnularia nodosa var. percapitata
                                               Pinnularia nodosa var. pseudogracillima
                                                     [Pinnularia pseudogracillima]
                                               Pinnularia nodosa var. robusta
                                                     [Pinnularia mesolepta var. robusta]
                                               Pinnularia nodosa var. spitsbergensis
                                             Pinnularia nodosiformis
                                             Pinnularia nodosoides
                                             Pinnularia nordenskioeldii
                                               Pinnularia nordenskioeldii var. truncata
                                             Pinnularia normandiana
                                             Pinnularia normanii
                                             Pinnularia norwegica
                                             Pinnularia notabiliformis
                                                   [Pinnularia notabilis var. inariensis]
                                             Pinnularia notabilis
                                             Pinnularia novaezealandica
                                             Pinnularia novazealandiae
                                             Pinnularia nsuaemensis
                                             Pinnularia nubila
                                             Pinnularia nucula
                                             Pinnularia nunguaensis
                                             Pinnularia nuristanica
                                             Pinnularia nuwukiana
                                             Pinnularia obaesa
                                             Pinnularia obesa
                                             Pinnularia obliquestriata
                                             Pinnularia oblonga
                                               Pinnularia oblonga var. acuminata
                                               Pinnularia oblonga var. genuina
                                               Pinnularia oblonga var. lanceolata
                                               Pinnularia oblonga var. macilenta
                                               Pinnularia oblonga var. media
                                             Pinnularia oblongolinearis
                                             Pinnularia obscura
                                               Pinnularia obscura var. sublinearis
                                             Pinnularia obscuriformis
                                                   [Navicula brebissonii var. diminuta]
                                                   [Pinnularia brebissonii var. diminuta]
                                               Pinnularia obscuriformis var. subrostrata
                                             Pinnularia obtusa
                                             Pinnularia obtusicuneata
                                             Pinnularia oceanica
                                             Pinnularia oculus
                                             Pinnularia odaensis
                                             Pinnularia odiosa
                                             Pinnularia oestrupiaeformis
                                             Pinnularia oestrupii
                                               Pinnularia oestrupii var. paadarensis
                                             Pinnularia ohiensis
                                             Pinnularia okamurae
                                             Pinnularia oominensis
                                             Pinnularia opouraensis
                                             Pinnularia opulenta
                                             Pinnularia oregonica
                                             Pinnularia orellana
                                             Pinnularia oriunda
                                             Pinnularia oriundiformis
                                             Pinnularia ornata
                                             Pinnularia osoresanensis
                                             Pinnularia otiensis
                                             Pinnularia otrantina
                                             Pinnularia ovalis
                                             Pinnularia ovata
                                                   [Navicula divergens var. elliptica]
                                                   [Pinnularia divergens var. elliptica]
                                               Pinnularia ovata var. rhombica
                                             Pinnularia oxylepta
                                             Pinnularia oxytrachea
                                             Pinnularia palatina
                                             Pinnularia palousiana
                                             Pinnularia pandura
                                               Pinnularia pandura var. elongata
                                             Pinnularia panduriformis
                                             Pinnularia panhalgarhensis
                                               Pinnularia panhalgarhensis var. lanceolata
                                             Pinnularia panizzei
                                             Pinnularia parakolbei
                                             Pinnularia paralange-bertalotii
                                             Pinnularia parallela
                                                   [Navicula divergens var. parallela]
                                                   [Pinnularia bavarica]
                                                   [Pinnularia monacensis]
                                               Pinnularia parallela var. linearis
                                             Pinnularia parallelistriata
                                             Pinnularia parva
                                               Pinnularia parva var. novae
                                               Pinnularia parva var. subtilis
                                             Pinnularia parvula
                                                   [Navicula gibba var. parva]
                                                   [Navicula stauroparva]
                                                   [Pinnularia gibba var. parva]
                                                   [Pinnularia stauroptera f. parva]
                                               Pinnularia parvula var. cruciata
                                               Pinnularia parvula var. minuta
                                             Pinnularia parvulissima
                                             Pinnularia paschalis
                                             Pinnularia passargei
                                               Pinnularia passargei var. africana
                                               Pinnularia passargei var. baicalensis
                                             Pinnularia passerinii
                                             Pinnularia patagonensis
                                             Pinnularia patricki
                                             Pinnularia patrickii
                                               Pinnularia patrickii var. angustata
                                               Pinnularia patrickii var. interrupta
                                               Pinnularia patrickii var. panduriniformis
                                             Pinnularia pauciciostis
                                             Pinnularia paulensis
                                                   Pinnularia paulensis f. minor
                                             Pinnularia paulina
                                             Pinnularia pectinalis
                                               Pinnularia pectinalis var. rostrata
                                             Pinnularia pectinata
                                             Pinnularia peracuminata
                                             Pinnularia peragallii
                                                   [Navicula divergens var. bacillaris]
                                                   [Pinnularia divergens var. bacillaris]
                                             Pinnularia percuneata
                                               Pinnularia percuneata var. constricta
                                               Pinnularia percuneata var. minor
                                             Pinnularia perexilis
                                             Pinnularia perinarensis
                                             Pinnularia perincognita
                                             Pinnularia perinstabilis
                                             Pinnularia perinterrupta
                                             Pinnularia perirrorata
                                             Pinnularia perlanceolata
                                             Pinnularia perlonga
                                               Pinnularia perlonga var. minor
                                             Pinnularia perlucens
                                             Pinnularia permicrostauron
                                             Pinnularia permontana
                                             Pinnularia perspicua
                                             Pinnularia persudetica
                                               Pinnularia persudetica var. silvatica
                                             Pinnularia perundulata
                                             Pinnularia peruviana
                                             Pinnularia petersenii
                                                   [Pinnularia parva f. interrrupta]
                                             Pinnularia petersii
                                             Pinnularia petsamoensis
                                             Pinnularia phenana
                                             Pinnularia pisciculus
                                                   [Navicula pisciculus]
                                               Pinnularia pisciculus var. angusta
                                             Pinnularia platalea
                                             Pinnularia platycephala
                                                   [Schizonema platycephalum]
                                                   [Stauroneis platycephala]
                                                   [Stauroptera platycephala]
                                                   Pinnularia platycephala f. angustior
                                                   Pinnularia platycephala f. ornata
                                               Pinnularia platycephala var. genuina
                                               Pinnularia platycephala var. hattoriana
                                               Pinnularia platycephala var. minor
                                               Pinnularia platycephala var. nipponica
                                             Pinnularia platysoma
                                             Pinnularia plena
                                             Pinnularia pleuronectes
                                             Pinnularia pluviana
                                             Pinnularia pluvianiformis
                                             Pinnularia poasana
                                             Pinnularia podzorskii
                                             Pinnularia pogoi
                                             Pinnularia pogoii
                                             Pinnularia polaris
                                             Pinnularia polyenca
                                                   Pinnularia polyenca f. major
                                             Pinnularia polyonca
                                                   Pinnularia polyonca f. densestriata
                                               Pinnularia polyonca var. hinganica
                                               Pinnularia polyonca var. major
                                               Pinnularia polyonca var. nipponica
                                               Pinnularia polyonca var. scabrosa
                                               Pinnularia polyonca var. similis
                                                     [Pinnularia mayeri var. similis]
                                               Pinnularia polyonca var. stidolphii
                                               Pinnularia polyonca var. sublinearis
                                               Pinnularia polyonca var. sumatrana
                                             Pinnularia polyoncoides
                                             Pinnularia polyptera
                                             Pinnularia porrecta
                                             Pinnularia posita
                                             Pinnularia prae-chankensis
                                             Pinnularia praetexta
                                             Pinnularia preissii
                                             Pinnularia prima
                                               Pinnularia prima var. subcapitata
                                             Pinnularia prinslooi
                                             Pinnularia problematica
                                               Pinnularia problematica var. subundulata
                                             Pinnularia procera
                                             Pinnularia proschina-lavrenko
                                               Pinnularia proschina-lavrenko var. lanceolata
                                             Pinnularia proschkina-lavrenko
                                               Pinnularia proschkina-lavrenko var. jeniseyensis
                                             Pinnularia pseudacuminata
                                             Pinnularia pseudobalfouriana
                                               Pinnularia pseudobalfouriana var. debilis
                                             Pinnularia pseudobrandelii
                                             Pinnularia pseudobrasiliensis
                                             Pinnularia pseudobrevior
                                             Pinnularia pseudocardinalis
                                             Pinnularia pseudodivergentissima
                                             Pinnularia pseudogibba
                                               Pinnularia pseudogibba var. rostrata
                                             Pinnularia pseudoluculenta
                                             Pinnularia pseudomesogongyla
                                             Pinnularia pseudomicrostauron
                                             Pinnularia pseudomolaris
                                             Pinnularia pseudoparva
                                                   [Pinnularia lagerstedtii var. laticeps]
                                             Pinnularia pseudosimilis
                                             Pinnularia pseudotabellaria
                                             Pinnularia pterophaena
                                             Pinnularia pulchella
                                                   [Navicula major var. pulchella]
                                                   [Pinnularia major (maior) var. pulchella]
                                               Pinnularia pulchella var. canadensis
                                             Pinnularia pulchra
                                                   [Pinnularia mesolepta var. angusta]
                                               Pinnularia pulchra var. magna
                                             Pinnularia punctata
                                             Pinnularia pusilla
                                             Pinnularia pygmaea
                                             Pinnularia quadratarea
                                                   Pinnularia quadratarea f. cuneata
                                                   Pinnularia quadratarea f. densestriata
                                                   Pinnularia quadratarea f. gibbosa
                                                   Pinnularia quadratarea f. grunowi
                                                   Pinnularia quadratarea f. interrupta
                                                   Pinnularia quadratarea f. leptostauron
                                                   Pinnularia quadratarea f. maxima
                                                   Pinnularia quadratarea f. minima
                                                   Pinnularia quadratarea f. subconstricta
                                                   Pinnularia quadratarea f. subcontinua
                                                   Pinnularia quadratarea f. subglabra
                                                   Pinnularia quadratarea f. theelii
                                               Pinnularia quadratarea var. amphiglottis
                                               Pinnularia quadratarea var. asymmetrica
                                               Pinnularia quadratarea var. baltica
                                               Pinnularia quadratarea var. bicontracta
                                               Pinnularia quadratarea var. bicuneata
                                               Pinnularia quadratarea var. capitata
                                               Pinnularia quadratarea var. circumpolaris
                                               Pinnularia quadratarea var. constricta
                                                     [Navicula pinnularia var. constricta]
                                               Pinnularia quadratarea var. cuneata
                                               Pinnularia quadratarea var. densestriata
                                               Pinnularia quadratarea var. dubia
                                               Pinnularia quadratarea var. dulcicola
                                               Pinnularia quadratarea var. fluminensis
                                               Pinnularia quadratarea var. gibbosa
                                               Pinnularia quadratarea var. kerguelensis
                                               Pinnularia quadratarea var. l?czyi
                                               Pinnularia quadratarea var. latefasciata
                                               Pinnularia quadratarea var. leptostauron
                                               Pinnularia quadratarea var. minor
                                                     [Navicula fluminensis var. minor]
                                               Pinnularia quadratarea var. patrickae
                                               Pinnularia quadratarea var. seychellensis
                                               Pinnularia quadratarea var. soederlundii
                                               Pinnularia quadratarea var. stuxbergii
                                               Pinnularia quadratarea var. subcontinua
                                               Pinnularia quadratarea var. subglabra
                                               Pinnularia quadratarea var. subproducta
                                                     [Navicula pinnularia var. subproducta]
                                               Pinnularia quadratarea var. tahitensis
                                               Pinnularia quadratarea var. theelii
                                               Pinnularia quadratarea var. undulata
                                             Pinnularia quadratareoides
                                             Pinnularia quadrifasciata
                                             Pinnularia quaratarea
                                               Pinnularia quaratarea var. interrupta
                                             Pinnularia quesadae
                                             Pinnularia rabenhorstii
                                               Pinnularia rabenhorstii var. cuneata
                                               Pinnularia rabenhorstii var. elegans
                                                     [Pinnularia borealis var. elegans]
                                               Pinnularia rabenhorstii var. franconica
                                               Pinnularia rabenhorstii var. raphecurvata
                                               Pinnularia rabenhorstii var. subantarctica
                                             Pinnularia radiosa
                                             Pinnularia rangoonensis
                                             Pinnularia ranoonensis
                                             Pinnularia rathsbergiana
                                             Pinnularia rauhii
                                             Pinnularia ra‘ana
                                             Pinnularia rectangulata
                                                   [Navicula rectangulata]
                                                   Pinnularia rectangulata f. subundulata
                                               Pinnularia rectangulata var. crassa
                                               Pinnularia rectangulata var. subundulata
                                             Pinnularia redunda
                                             Pinnularia regina
                                             Pinnularia reichardtii
                                             Pinnularia reimerii
                                               Pinnularia reimerii var. interrupta
                                             Pinnularia renata
                                             Pinnularia renatiformis
                                             Pinnularia restituta
                                             Pinnularia rhaphoneis
                                             Pinnularia rhenana
                                             Pinnularia rhenohassiaca
                                             Pinnularia rhombarea
                                               Pinnularia rhombarea var. biundulata
                                                     [Navicula microstauron var. biundulata]
                                                     [Pinnularia brebissonii f. biundulata]
                                                     [Pinnularia microstauron f. biundulata]
                                               Pinnularia rhombarea var. brevicapitata
                                               Pinnularia rhombarea var. halophila
                                               Pinnularia rhombarea var. serrata
                                               Pinnularia rhombarea var. undulata
                                               Pinnularia rhombarea var. variarea
                                             Pinnularia rhombica
                                             Pinnularia rhomboelliptica
                                               Pinnularia rhomboelliptica var. inflata
                                               Pinnularia rhomboelliptica var. novaezealandica
                                               Pinnularia rhomboelliptica var. rhombica
                                               Pinnularia rhomboelliptica var. zuricana
                                             Pinnularia rhombofasciata
                                             Pinnularia rhomboidarea
                                             Pinnularia richardensis
                                             Pinnularia rigens
                                               Pinnularia rigens var. arctica
                                             Pinnularia ritarda
                                             Pinnularia rivularis
                                             Pinnularia rostrata
                                             Pinnularia rostratissima
                                                   Pinnularia rostratissima f. subundulata
                                               Pinnularia rostratissima var. parva
                                               Pinnularia rostratissima var. ventricosa
                                             Pinnularia rotundicapitata
                                             Pinnularia rumrichae
                                             Pinnularia runa
                                             Pinnularia rupestris
                                                   [Navicula viridis var. rupestris]
                                                   [Pinnularia commutata var. rupestris]
                                                   [Pinnularia reinschiana]
                                                   [Pinnularia sudetica var. reinschiana]
                                                   [Pinnularia sudetica var. rupestris]
                                                   [Pinnularia viridis var. rupestris]
                                             Pinnularia ruttneri
                                               Pinnularia ruttneri var. lauenburgiana
                                             Pinnularia saga
                                               Pinnularia saga var. isostauron
                                               Pinnularia saga var. undulata
                                             Pinnularia sagittata
                                               Pinnularia sagittata var. bhandarensis
                                             Pinnularia sagittiformis
                                             Pinnularia sahyadrans
                                             Pinnularia saigonii
                                             Pinnularia sakulensis
                                             Pinnularia sakurajimensis
                                             Pinnularia salebrosa
                                             Pinnularia santafiorana
                                             Pinnularia santapaui
                                             Pinnularia saprophila
                                             Pinnularia sardoelliptica
                                             Pinnularia savanensis
                                               Pinnularia savanensis var. hinganica
                                               Pinnularia savanensis var. ignota
                                             Pinnularia savona
                                             Pinnularia saxicola
                                             Pinnularia scaettae
                                               Pinnularia scaettae var. krasskei
                                               Pinnularia scaettae var. subrostrata
                                             Pinnularia scapha
                                             Pinnularia scattae
                                             Pinnularia schimanskii
                                             Pinnularia schoenfelderi
                                             Pinnularia schomburgkii
                                             Pinnularia schroederi
                                                   [Caloneis schroederi]
                                             Pinnularia schroeterae
                                               Pinnularia schroeterae var. elliptica
                                             Pinnularia schweickerdtii
                                             Pinnularia schweinfurthii
                                                   [Navicula divergens var. schweinfurthii (schweinfurthi)]
                                                   [Navicula schweinfurthi]
                                                   [Pinnularia divergens var. schweinfurthii]
                                                   [Pinnularia schweinfurthi]
                                             Pinnularia scotica
                                             Pinnularia scutellum
                                             Pinnularia scutum
                                             Pinnularia scythica
                                             Pinnularia secernenda
                                                   [Navicula secernenda]
                                                   [Schizonema secernendum]
                                             Pinnularia secunda
                                             Pinnularia segariana
                                             Pinnularia selengensis
                                               Pinnularia selengensis var. attenuata
                                               Pinnularia selengensis var. hinganica
                                               Pinnularia selengensis var. subcapitata
                                             Pinnularia seliana
                                             Pinnularia semicruciata
                                                   [Pinnularia hyyppaeei]
                                                   [Stauroneis semicruciata]
                                               Pinnularia semicruciata var. alaskaensis
                                               Pinnularia semicruciata var. arctica
                                             Pinnularia semiinflata
                                               Pinnularia semiinflata var. decipens
                                               Pinnularia semiinflata var. genuina
                                               Pinnularia semiinflata var. inaequalis
                                             Pinnularia seminulum
                                             Pinnularia semiplena
                                             Pinnularia semizebra
                                             Pinnularia senjoensis
                                             Pinnularia septentrionalis
                                                   [Navicula mesolepta var. stauroneiformis]
                                                   [Pinnularia mesolepta var. seminuda]
                                                   [Pinnularia mesolepta var. stauroneiformis]
                                               Pinnularia septentrionalis var. americana
                                             Pinnularia seriata
                                             Pinnularia serpentina
                                             Pinnularia shivae
                                             Pinnularia siebenkittlii
                                             Pinnularia sierra-leonensis
                                             Pinnularia signata
                                             Pinnularia silicula
                                             Pinnularia sillimanorum
                                                   [Navicula sillimanorum]
                                                   [Schizonema sillimanorum]
                                             Pinnularia silviasalae
                                             Pinnularia similiformis
                                                   [Pinnularia subrostrata var. similis]
                                               Pinnularia similiformis var. koreana
                                             Pinnularia similis
                                                   Pinnularia similis f. recta
                                             Pinnularia simonsenii
                                                   [Pinnularia subcapitata f. divergens]
                                             Pinnularia simplex
                                             Pinnularia singularis
                                                   [Schizonema singulare]
                                             Pinnularia sinistra
                                               Pinnularia sinistra var. sublanceolata
                                             Pinnularia sinomongolica
                                               Pinnularia sinomongolica var. angustior
                                             Pinnularia sinuosa
                                             Pinnularia siona
                                             Pinnularia sirokiana
                                             Pinnularia sistassa
                                             Pinnularia smithii
                                                   Pinnularia smithii f. minor
                                                   Pinnularia smithii f. subparallela
                                             Pinnularia sobconstricta
                                             Pinnularia socialis
                                                   [Navicula socialis]
                                               Pinnularia socialis var. debesii
                                                     [Pinnularia debesii]
                                                     [Pinnularia maior var. socialis]
                                             Pinnularia sodiroi
                                             Pinnularia soehrensis
                                                   Pinnularia soehrensis f. typica
                                               Pinnularia soehrensis var. capitata
                                               Pinnularia soehrensis var. inflata
                                               Pinnularia soehrensis var. linearis
                                             Pinnularia sofia
                                             Pinnularia sonfonensis
                                             Pinnularia spathulata
                                             Pinnularia spatula
                                             Pinnularia spauldingae
                                             Pinnularia spauldingiae
                                             Pinnularia speciousus
                                             Pinnularia sphaerophora
                                             Pinnularia sphagnicola
                                             Pinnularia spinea
                                             Pinnularia spinosissima
                                             Pinnularia spitsbergensis
                                                   [Navicula spitsbergensis var. stomatophora]
                                                   [Navicula spitsbergensis]
                                                   [Pinnularia spitsbergensis f. continua]
                                                   [Pinnularia spitsbergensis f. interrupta]
                                                   [Pinnularia spitsbergensis f. semiinterrupta]
                                                   [Pinnularia spitsbergensis var. continua]
                                                   [Pinnularia spitsbergensis var. stomatophora]
                                             Pinnularia spitzbergensis
                                                   Pinnularia spitzbergensis f. complexe
                                               Pinnularia spitzbergensis var. hinganica
                                             Pinnularia splendida
                                               Pinnularia splendida var. gibbosa
                                             Pinnularia standeri
                                             Pinnularia statua
                                             Pinnularia stauntonii
                                             Pinnularia staurocuneata
                                             Pinnularia stauroptera
                                                   Pinnularia stauroptera f. continua
                                                   Pinnularia stauroptera f. fasciata
                                                   Pinnularia stauroptera f. hankensis
                                                   Pinnularia stauroptera f. medioconstricta
                                                   Pinnularia stauroptera f. recta
                                                   Pinnularia stauroptera f. semicruciata
                                                   Pinnularia stauroptera f. semiinterrupta
                                                   Pinnularia stauroptera f. subcapitata
                                               Pinnularia stauroptera var. brevicostata
                                               Pinnularia stauroptera var. clevei
                                               Pinnularia stauroptera var. doello
                                               Pinnularia stauroptera var. doeringi
                                               Pinnularia stauroptera var. interrupta
                                                     [Navicula stauroptera var. interrupta]
                                                     [Pinnularia stauroptera f. interrupta]
                                               Pinnularia stauroptera var. linearis
                                               Pinnularia stauroptera var. mesogongyla
                                               Pinnularia stauroptera var. minuta
                                               Pinnularia stauroptera var. parva
                                               Pinnularia stauroptera var. recta
                                               Pinnularia stauroptera var. sancta
                                               Pinnularia stauroptera var. semicruciata
                                               Pinnularia stauroptera var. subacuta
                                               Pinnularia stauroptera var. subundulata
                                               Pinnularia stauroptera var. tabellarioides
                                             Pinnularia steereana
                                             Pinnularia stelligera
                                             Pinnularia stenostriata
                                             Pinnularia stidolphii
                                             Pinnularia stiliformis
                                             Pinnularia stomatophora
                                                   [Schizonema stomatophorum]
                                                   Pinnularia stomatophora f. gibbosa
                                                   Pinnularia stomatophora f. jogensis
                                                   Pinnularia stomatophora f. recta
                                               Pinnularia stomatophora var. continua
                                               Pinnularia stomatophora var. debilis
                                               Pinnularia stomatophora var. depauperata
                                               Pinnularia stomatophora var. erlangensis
                                                     [Pinnularia stomatophoroides f. erlangensis]
                                                     [Pinnularia stomatophoroides var. erlangensis]
                                               Pinnularia stomatophora var. gibbosa
                                               Pinnularia stomatophora var. hinganica
                                               Pinnularia stomatophora var. irregularis
                                               Pinnularia stomatophora var. ornata
                                               Pinnularia stomatophora var. salina
                                             Pinnularia stomatophoroides
                                               Pinnularia stomatophoroides var. ornata
                                             Pinnularia streckerae
                                             Pinnularia streptoraphe
                                                   [Navicula streptoraphe]
                                                   Pinnularia streptoraphe f. minor
                                               Pinnularia streptoraphe var. alaskaensis
                                               Pinnularia streptoraphe var. asiatica
                                               Pinnularia streptoraphe var. gibbosa
                                               Pinnularia streptoraphe var. minor
                                               Pinnularia streptoraphe var. muscicola
                                               Pinnularia streptoraphe var. savona
                                               Pinnularia streptoraphe var. styliformis
                                               Pinnularia streptoraphe var. subacuta
                                               Pinnularia streptoraphe var. subconstricta
                                             Pinnularia striata
                                               Pinnularia striata var. perstriata
                                             Pinnularia striatula
                                             Pinnularia stricta
                                             Pinnularia strictissima
                                             Pinnularia styliformis
                                             Pinnularia subacoricola
                                             Pinnularia subacrosphaeria
                                             Pinnularia subacuminata
                                             Pinnularia subacuta
                                               Pinnularia subacuta var. cuneata
                                             Pinnularia subanglica
                                             Pinnularia subantarctica
                                               Pinnularia subantarctica var. elongata
                                             Pinnularia subbacillum
                                             Pinnularia subborealis
                                               Pinnularia subborealis var. hyperborea
                                             Pinnularia subboyeri
                                             Pinnularia subbrevistriata
                                                   [Navicula brevistriata]
                                                   [Navicula gibba var. brevistriata]
                                             Pinnularia subcapitata
                                                   [Navicula gracillima var. subcapitata]
                                                   [Navicula hilseana]
                                                   [Navicula interrupta f. subcapitata]
                                                   [Pinnularia gracillima var. subcapitata]
                                                   [Pinnularia subcapitata var. hilseana]
                                                   [Schizonema subcapitatum]
                                                   Pinnularia subcapitata f. constricta
                                                   Pinnularia subcapitata f. ellipitica
                                                   Pinnularia subcapitata f. jeniseyensis
                                                   Pinnularia subcapitata f. koreana
                                                   Pinnularia subcapitata f. lata
                                                   Pinnularia subcapitata f. plana
                                                   Pinnularia subcapitata f. subconstricta
                                                   Pinnularia subcapitata f. subcuneata
                                                   Pinnularia subcapitata f. subundulata
                                                   Pinnularia subcapitata f. tenua
                                                   Pinnularia subcapitata f. typica
                                                   Pinnularia subcapitata f. undulata
                                               Pinnularia subcapitata var. abbreviata
                                               Pinnularia subcapitata var. acuminata
                                               Pinnularia subcapitata var. appendiculata
                                               Pinnularia subcapitata var. azorica
                                               Pinnularia subcapitata var. ceylonica
                                               Pinnularia subcapitata var. elliptica
                                               Pinnularia subcapitata var. elongata
                                               Pinnularia subcapitata var. genuina
                                               Pinnularia subcapitata var. koreana
                                               Pinnularia subcapitata var. lapponica
                                               Pinnularia subcapitata var. lata
                                               Pinnularia subcapitata var. paucistriata
                                                     [Navicula subcapitata var. paucistriata]
                                               Pinnularia subcapitata var. robusta
                                               Pinnularia subcapitata var. semicruciata
                                               Pinnularia subcapitata var. sinica
                                               Pinnularia subcapitata var. stauroneiformis
                                               Pinnularia subcapitata var. sublanceolata
                                               Pinnularia subcapitata var. subrobusta
                                               Pinnularia subcapitata var. subrostrata
                                             Pinnularia subcohaerens
                                             Pinnularia subcommutata
                                               Pinnularia subcommutata var. nonfasciata
                                             Pinnularia subconstricta
                                             Pinnularia subcuneata
                                             Pinnularia subdivergens
                                             Pinnularia subdivergentissima
                                             Pinnularia subfalaiseana
                                                   [Pinnularia falaiseana]
                                             Pinnularia subflamma
                                             Pinnularia subgibba
                                               Pinnularia subgibba var. angustarea
                                               Pinnularia subgibba var. capitata
                                               Pinnularia subgibba var. gracilis
                                               Pinnularia subgibba var. lanceolata
                                               Pinnularia subgibba var. sublinearis
                                               Pinnularia subgibba var. undulata
                                             Pinnularia subgigantea
                                             Pinnularia subgigas
                                             Pinnularia subgraciloides
                                             Pinnularia subinterrupta
                                                   [Pinnularia biceps f. minutissima]
                                                   [Pinnularia interrupta var. minutissima]
                                             Pinnularia sublanceolata
                                             Pinnularia sublinearis
                                               Pinnularia sublinearis var. lanceolata
                                               Pinnularia sublinearis var. major
                                             Pinnularia submicrostauron
                                             Pinnularia submirostauron
                                             Pinnularia subnodosa
                                             Pinnularia subpalousiana
                                             Pinnularia subpulchra
                                                   [Pinnularia pulchra var. subtilis]
                                             Pinnularia subrabenhorstii
                                                   [Pinnularia borealis var. undulata]
                                             Pinnularia subrhombica
                                               Pinnularia subrhombica var. angusta
                                             Pinnularia subrivularis
                                             Pinnularia subrostrata
                                                   [Navicula divergentissima var. subrostrata]
                                                   [Pinnularia divergentissima var. martinii]
                                                   [Pinnularia divergentissima var. subrostrata]
                                                   [Pinnularia divergentissima var. wulffii]
                                             Pinnularia subrupestris
                                               Pinnularia subrupestris var. cruciata
                                               Pinnularia subrupestris var. cuneata
                                             Pinnularia subsilvatica
                                             Pinnularia subsimilis
                                             Pinnularia subsolaris
                                                   Pinnularia subsolaris f. interrupta
                                                   Pinnularia subsolaris f. mutabilis
                                               Pinnularia subsolaris var. asiatica
                                               Pinnularia subsolaris var. australiensis
                                               Pinnularia subsolaris var. brevistriata
                                               Pinnularia subsolaris var. constricta
                                               Pinnularia subsolaris var. interrupta
                                               Pinnularia subsolaris var. linearis
                                               Pinnularia subsolaris var. truncata
                                                     [Navicula divergens var. truncata]
                                                     [Pinnularia brebissonii var. truncata]
                                                     [Pinnularia divergens var. truncata]
                                             Pinnularia subsolea
                                                   Pinnularia subsolea f. elatior
                                             Pinnularia substomatophora
                                             Pinnularia substreptoraphe
                                                   [Pinnularia streptoraphe var. parva]
                                               Pinnularia substreptoraphe var. bornholmiana
                                             Pinnularia subtibetana
                                             Pinnularia subtriumvirorum
                                             Pinnularia subtruncata
                                             Pinnularia subumbrosa
                                             Pinnularia subundulata
                                               Pinnularia subundulata var. lata
                                             Pinnularia subviridis
                                             Pinnularia suchlandti
                                             Pinnularia suchlandtii
                                                   Pinnularia suchlandtii f. elongata
                                               Pinnularia suchlandtii var. elongata
                                             Pinnularia sudanensis
                                             Pinnularia sudetica
                                                   [Navicula sudetica]
                                                   [Pinnularia viridis f. sudetica]
                                                   [Pinnularia viridis var. sudetica]
                                                   Pinnularia sudetica f. obtusata
                                               Pinnularia sudetica var. brittanica
                                                     [Navicula sudetica var. britannica]
                                                     [Navicula sudetica var. brittanica]
                                                     [Pinnularia britannica]
                                               Pinnularia sudetica var. commutata
                                               Pinnularia sudetica var. leptogongyla
                                               Pinnularia sudetica var. sudetica
                                             Pinnularia suecica
                                             Pinnularia sugiurae
                                             Pinnularia suhinensis
                                             Pinnularia sulcata
                                             Pinnularia sundaensis
                                             Pinnularia superba
                                             Pinnularia superdivergentissima
                                             Pinnularia suplica
                                             Pinnularia suriana
                                             Pinnularia svalbardensis
                                             Pinnularia sverdrupii
                                             Pinnularia sylvatica
                                             Pinnularia symoensii
                                             Pinnularia tabellaria
                                                   [Navicula luculenta]
                                                   [Navicula tabellaria]
                                                   [Pinnularia gibba var. tabellaria]
                                                   [Pinnularia luculenta]
                                                   [Schizonema luculentum]
                                                   [Schizonema tabellaria]
                                               Pinnularia tabellaria var. acrosphaeria
                                               Pinnularia tabellaria var. americana
                                               Pinnularia tabellaria var. sagensis
                                               Pinnularia tabellaria var. stauroneiformis
                                               Pinnularia tabellaria var. wolfensbergeri
                                             Pinnularia taeniata
                                             Pinnularia tafoensis
                                             Pinnularia tagliaventiae
                                             Pinnularia taiaensis
                                             Pinnularia takoradiensis
                                             Pinnularia temperei
                                             Pinnularia tenuiraphe
                                             Pinnularia tenuirugosa
                                             Pinnularia tenuis
                                               Pinnularia tenuis var. interrupta
                                             Pinnularia tenuistriata
                                             Pinnularia termitina
                                                   [Navicula termitina]
                                                   [Pinnularia interrupta f. termitina]
                                                   [Pinnularia termes var. termitina]
                                             Pinnularia thermalis
                                             Pinnularia thoenii
                                             Pinnularia thorax
                                             Pinnularia thoroddseni
                                             Pinnularia tibetana
                                               Pinnularia tibetana var. argumensis
                                               Pinnularia tibetana var. siamense
                                               Pinnularia tibetana var. stauroneiformis
                                               Pinnularia tibetana var. truncata
                                             Pinnularia tibetica
                                               Pinnularia tibetica var. siamense
                                               Pinnularia tibetica var. truncata
                                             Pinnularia timofeewi
                                             Pinnularia tirolensis
                                                   [Pinnularia subgibba var. tirolensis]
                                               Pinnularia tirolensis var. julma
                                             Pinnularia titusiana
                                             Pinnularia tolottiana
                                             Pinnularia tomentoensis
                                             Pinnularia torrendi
                                               Pinnularia torrendi var. capitata
                                             Pinnularia torta
                                                   [Navicula major var. asymmetrica]
                                                   [Navicula torta]
                                                   [Pinnularia major var. asymmetrica]
                                             Pinnularia toscana
                                             Pinnularia towutensis
                                             Pinnularia trabecula
                                             Pinnularia transversa
                                                   [Navicula major var. transversa]
                                                   [Navicula viridis var. transversa]
                                                   [Pinnularia major (maior) var. transversa]
                                                   Pinnularia transversa f. linearis
                                               Pinnularia transversa var. densestriata
                                             Pinnularia transversiformis
                                             Pinnularia trevelyana
                                               Pinnularia trevelyana var. angusta
                                             Pinnularia trifonovae
                                             Pinnularia triumvirorum
                                                   Pinnularia triumvirorum f. evittata
                                               Pinnularia triumvirorum var. linearis
                                               Pinnularia triumvirorum var. ventricosa
                                             Pinnularia triundulata
                                             Pinnularia trivialiformis
                                             Pinnularia tropica
                                               Pinnularia tropica var. subtropica
                                             Pinnularia trudis
                                             Pinnularia truis
                                             Pinnularia trulla
                                             Pinnularia truncata
                                             Pinnularia tsoneka
                                             Pinnularia tsonka
                                             Pinnularia tumescens
                                             Pinnularia tumida
                                             Pinnularia turbulenta
                                                   [Pinnularia mesolepta var. turbulenta]
                                             Pinnularia turczaninowi
                                             Pinnularia turficola
                                             Pinnularia turfosiphila
                                             Pinnularia turgidula
                                                   [Navicula acrosphaeria var. dilata]
                                                   [Navicula acrosphaeria var. turgida (turgidula)]
                                                   [Pinnularia acrosphaeria var. turgidula]
                                             Pinnularia turnerae
                                             Pinnularia tynnii
                                                   [Pinnularia legumen f. inflata]
                                             Pinnularia tyrrhenica
                                             Pinnularia ueno
                                               Pinnularia ueno var. wadalensis
                                             Pinnularia umbratica
                                             Pinnularia umbrosa
                                               Pinnularia umbrosa var. tropica
                                             Pinnularia unca
                                             Pinnularia undula
                                                   [Navicula undula]
                                                   [Pinnularia legumen var. undula]
                                               Pinnularia undula var. cuneata
                                                     [Pinnularia legumen var. cuneata]
                                               Pinnularia undula var. major
                                               Pinnularia undula var. mesoleptiformis
                                             Pinnularia undulata
                                                   Pinnularia undulata f. stauroneiformis
                                               Pinnularia undulata var. nipponica
                                               Pinnularia undulata var. sibirica
                                               Pinnularia undulata var. stauroneiformis
                                               Pinnularia undulata var. subundulata
                                             Pinnularia undulatodivergens
                                                   [Navicula divergens var. undulata]
                                                   [Pinnularia legumen var. undulata]
                                             Pinnularia ussuriensis
                                             Pinnularia utriculus
                                             Pinnularia vacua
                                             Pinnularia vaetterana
                                             Pinnularia valdetolerans
                                             Pinnularia valida
                                             Pinnularia van-heurckii
                                             Pinnularia vangariana
                                             Pinnularia vangeliana
                                               Pinnularia vangeliana var. rostrata
                                             Pinnularia vapilla
                                             Pinnularia variarea
                                               Pinnularia variarea var. Metzeltin
                                             Pinnularia vasta
                                             Pinnularia vastoides
                                             Pinnularia vatii
                                             Pinnularia venkateswarii
                                             Pinnularia venter
                                             Pinnularia vespa
                                             Pinnularia vickersii
                                             Pinnularia vidarbhensis
                                             Pinnularia viridiformis
                                                   [Navicula streptoraphe var. minor]
                                                   [Navicula viridis var. minor]
                                                   [Pinnularia aestuarii var. minor]
                                                   [Pinnularia biclavata var. minor]
                                                   [Pinnularia viridis var. minor]
                                               Pinnularia viridiformis var. minor
                                             Pinnularia viridis
                                                   [Bacillaria viridis]
                                                   [Frustulia viridis]
                                                   [Schizonema viride]
                                                   Pinnularia viridis f. abnormis
                                                   Pinnularia viridis f. angustavittata
                                                   Pinnularia viridis f. areata
                                                   Pinnularia viridis f. argunensis
                                                   Pinnularia viridis f. brevis
                                                   Pinnularia viridis f. convexa
                                                   Pinnularia viridis f. cruciata
                                                   Pinnularia viridis f. hankensis
                                                   Pinnularia viridis f. hinganica
                                                   Pinnularia viridis f. humilis
                                                   Pinnularia viridis f. interrupta
                                                   Pinnularia viridis f. irregularis
                                                   Pinnularia viridis f. minor
                                                   Pinnularia viridis f. muscicola
                                                   Pinnularia viridis f. ornata
                                                   Pinnularia viridis f. semicruciata
                                               Pinnularia viridis var. amurensis
                                               Pinnularia viridis var. bacillaris
                                               Pinnularia viridis var. coerulescens
                                               Pinnularia viridis var. commutata
                                               Pinnularia viridis var. cuneatiformis
                                               Pinnularia viridis var. curveraphe
                                               Pinnularia viridis var. curviraphe
                                               Pinnularia viridis var. diminuta
                                               Pinnularia viridis var. dispar
                                               Pinnularia viridis var. fallax
                                                     [Navicula viridis var. fallax]
                                               Pinnularia viridis var. fasciata
                                               Pinnularia viridis var. gracilis
                                               Pinnularia viridis var. hemiptera
                                               Pinnularia viridis var. hibinica
                                               Pinnularia viridis var. hinganica
                                               Pinnularia viridis var. interrupta
                                               Pinnularia viridis var. jeniseiensis
                                               Pinnularia viridis var. jeniseyensis
                                               Pinnularia viridis var. jenisseyensis
                                               Pinnularia viridis var. koreana
                                               Pinnularia viridis var. lata
                                               Pinnularia viridis var. leptogongyla
                                               Pinnularia viridis var. mayeri
                                               Pinnularia viridis var. meisteri
                                               Pinnularia viridis var. minuta
                                               Pinnularia viridis var. minutissima
                                               Pinnularia viridis var. nipponica
                                               Pinnularia viridis var. orientalis
                                               Pinnularia viridis var. pachyptera
                                               Pinnularia viridis var. parallelistriata
                                               Pinnularia viridis var. producta
                                               Pinnularia viridis var. ruthenica
                                               Pinnularia viridis var. semicruciata
                                                     [Navicula viridis var. semicruciata]
                                               Pinnularia viridis var. siberica
                                               Pinnularia viridis var. simplex
                                               Pinnularia viridis var. sinica
                                               Pinnularia viridis var. stauroneiformis
                                               Pinnularia viridis var. subconstricta
                                               Pinnularia viridis var. subsalina
                                               Pinnularia viridis var. triundulata
                                               Pinnularia viridis var. tubensis
                                               Pinnularia viridis var. tumida
                                               Pinnularia viridis var. turgidus
                                               Pinnularia viridis var. undulata
                                               Pinnularia viridis var. ussuriensis
                                               Pinnularia viridis var. yamatsutana
                                               Pinnularia viridis var. zeaana
                                             Pinnularia viridissima
                                             Pinnularia viridoides
                                                   [Pinnularia viridis var. elliptica]
                                             Pinnularia viriodoides
                                             Pinnularia vulpina
                                             Pinnularia weningeri
                                             Pinnularia wernerii
                                             Pinnularia westii
                                             Pinnularia wijkensis
                                             Pinnularia wisconsinensis
                                             Pinnularia wolterecki
                                             Pinnularia woodiana
                                             Pinnularia yaquinensis
                                             Pinnularia yarrensis
                                               Pinnularia yarrensis var. sussedana
                                             Pinnularia zabelini
                                               Pinnularia zabelini var. amurensis
                                               Pinnularia zabelini var. dimidia
                                               Pinnularia zabelini var. interrupta
                                               Pinnularia zabelini var. zeaana
                                             Pinnularia zanardiniana
                                             Pinnularia zostereti