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  Chromista
      Heterokontophyta
            Bacillariophyceae
                   [Bacillariophyta]
                    Bacillariales
                            Bacillariaceae
                                     Allonitzschia
                                             Allonitzschia munifica
                                     Alveus
                                             Alveus marinus
                                     Bacillaria
                                             Bacillaria adriatica
                                             Bacillaria australis
                                             Bacillaria bipunctata
                                             Bacillaria cleopatrae
                                             Bacillaria communis
                                             Bacillaria conjugata
                                             Bacillaria cuneata
                                             Bacillaria cursoria
                                             Bacillaria diophthalma
                                             Bacillaria elongata
                                             Bacillaria frauenfeldii
                                             Bacillaria fulva
                                             Bacillaria fusiformis
                                             Bacillaria glauca
                                             Bacillaria hiemalis
                                             Bacillaria hungarica
                                             Bacillaria incrassata
                                             Bacillaria interrupta
                                             Bacillaria kuseliae
                                             Bacillaria longa
                                                   [Nitzschia longa]
                                             Bacillaria major
                                             Bacillaria meneghinii
                                             Bacillaria militaris
                                             Bacillaria multipuncatata
                                             Bacillaria multistriata
                                             Bacillaria naegeli
                                             Bacillaria obtusa
                                             Bacillaria palea
                                             Bacillaria paradoxa
                                               Bacillaria paradoxa var. tropica
                                             Bacillaria paxillifer
                                               Bacillaria paxillifer var. tumidula
                                                     [Bacillaria paradoxa var. tumidula]
                                                     [Nitzschia paradoxa var. tumidula]
                                             Bacillaria paxillifera
                                                   [Diatoma paxillifera]
                                                   [Homoeocladia paxillifer]
                                                   [Nitzschia paxillifer]
                                                   [Oscillaria paxillifera]
                                                   [Oscillatoria paxillifer]
                                                   [Oscillatoria paxillifera]
                                               Bacillaria paxillifera var. czarneckii
                                             Bacillaria paxillum
                                             Bacillaria pectinalis
                                             Bacillaria ptolemaei
                                             Bacillaria seriata
                                             Bacillaria socialis
                                               Bacillaria socialis var. baltica
                                               Bacillaria socialis var. indica
                                             Bacillaria tenuis
                                               Bacillaria tenuis var. elongata
                                             Bacillaria triangularis
                                             Bacillaria tropica
                                             Bacillaria urve-millerae
                                             Bacillaria vitrea
                                             Bacillaria vulgaris
                                               Bacillaria vulgaris var. cuneata
                                     Cylindrotheca
                                           [Ceratoneis]
                                             Cylindrotheca fusiformis
                                             Cylindrotheca gracilis
                                                   [Ceratoneis gracilis]
                                                   [Cylindrotheca gerstenbergeri]
                                                   [Nitzschia taenia]
                                     Cymatonitzschia
                                             Cymatonitzschia marina
                                                   [Cymatopleura marina]
                                     Cymbellonitzschia
                                             Cymbellonitzschia diluviana
                                             Cymbellonitzschia hossamedinii
                                             Cymbellonitzschia manguini
                                             Cymbellonitzschia minima
                                             Cymbellonitzschia szulczewskii
                                     Denticula
                                             Denticula acuta
                                             Denticula amphicephala
                                               Denticula amphicephala var. simplex
                                             Denticula antarctica
                                             Denticula antillarum
                                             Denticula bacillum
                                             Denticula balatoneis
                                             Denticula belehradeki
                                             Denticula bicuneata
                                             Denticula capitata
                                             Denticula constricta
                                             Denticula costata
                                             Denticula creticola
                                             Denticula cyprica
                                             Denticula debyi
                                             Denticula decipiens
                                             Denticula dimorpha
                                             Denticula dusenii
                                             Denticula elegans
                                                   [Denticula elegans var. ocellata]
                                                   [Denticula ocellata]
                                                   Denticula elegans f. constricta
                                               Denticula elegans var. africana
                                               Denticula elegans var. cyprica
                                               Denticula elegans var. elegans
                                               Denticula elegans var. hinganica
                                               Denticula elegans var. kittoniana
                                                     [Denticula (elegans var.) kittoniana]
                                               Denticula elegans var. lacuskarlukii
                                               Denticula elegans var. lanceolata
                                               Denticula elegans var. linearis
                                               Denticula elegans var. robusta
                                             Denticula elongata
                                             Denticula erifuga
                                             Denticula exigua
                                             Denticula eximia
                                             Denticula frigida
                                                   Denticula frigida f. major
                                               Denticula frigida var. capitata
                                               Denticula frigida var. cuneata
                                             Denticula fusiformis
                                             Denticula hustedtii
                                               Denticula hustedtii var. ovata
                                             Denticula hyalina
                                               Denticula hyalina var. hustedtii
                                             Denticula indica
                                             Denticula inflata
                                             Denticula interrupta
                                             Denticula islandica
                                             Denticula kamtchatka
                                             Denticula kittoniana
                                             Denticula kuetzingii
                                                   [Denticula denticula]
                                                   [Nitzschia denticula]
                                               Denticula kuetzingii var. rumrichae
                                             Denticula kutzingii
                                               Denticula kutzingii var. major
                                             Denticula lanceolata
                                             Denticula lata
                                             Denticula lauta
                                               Denticula lauta var. ovata
                                             Denticula linearis
                                             Denticula mesolepta
                                                   [Denticula tenuis var. mesolepta]
                                             Denticula miocenica
                                             Denticula neritica
                                             Denticula nicobarica
                                             Denticula norwegica
                                             Denticula obtusa
                                             Denticula occidentalis
                                             Denticula oestrupii
                                             Denticula ornata
                                             Denticula palea
                                             Denticula parva
                                             Denticula pelagica
                                             Denticula praedimorpha
                                             Denticula punctata
                                                   Denticula punctata f. hustedtii
                                             Denticula rainerensis
                                             Denticula rhynchocephala
                                               Denticula rhynchocephala var. tenuis
                                             Denticula robusta
                                               Denticula robusta var. dubia
                                             Denticula seminae
                                               Denticula seminae var. fossilis
                                             Denticula seriata
                                             Denticula spathulifera
                                             Denticula subtilis
                                                   [Denticula rainierensis]
                                             Denticula sundaysensis
                                             Denticula tenuis
                                                   Denticula tenuis f. diminuta
                                               Denticula tenuis var. antarctica
                                               Denticula tenuis var. bicuneata
                                               Denticula tenuis var. crassula
                                                     [Denticula crassula]
                                               Denticula tenuis var. elongata
                                               Denticula tenuis var. frigida
                                               Denticula tenuis var. genuina
                                               Denticula tenuis var. inflata
                                               Denticula tenuis var. intermedia
                                               Denticula tenuis var. tenuis
                                             Denticula thermalis
                                                   [Denticula elegans var. thermalis]
                                               Denticula thermalis var. minor
                                               Denticula thermalis var. rupestris
                                             Denticula undulata
                                             Denticula valida
                                                   [Denticula elegans f. valida]
                                                   [Denticula elegans var. valida]
                                                   [Denticula lauta var. valida]
                                                   [Epithemia sancti-antonii]
                                                   [Eunotia sancti-antonii]
                                                   Denticula valida f. major
                                                   Denticula valida f. minor
                                             Denticula vanheurcki
                                             Denticula vanheurckii
                                                   Denticula vanheurckii f. trigona
                                                   Denticula vanheurckii f. ventricosa
                                               Denticula vanheurckii var. heurckii
                                             Denticula watanabei
                                             Denticula wipplingeri
                                             Denticula yberiensis
                                     Denticulopsis
                                             Denticulopsis dimorpha
                                             Denticulopsis hustedtii
                                               Denticulopsis hustedtii var. aspera
                                               Denticulopsis hustedtii var. ovata
                                             Denticulopsis hyalina
                                               Denticulopsis hyalina var. hustedtii
                                             Denticulopsis kamtschatica
                                             Denticulopsis lauta
                                                   [Denticella lauta]
                                               Denticulopsis lauta var. ovata
                                             Denticulopsis maccollumii
                                             Denticulopsis meridionalis
                                             Denticulopsis miocaenica
                                             Denticulopsis nicobarica
                                             Denticulopsis norvegica
                                             Denticulopsis praedimorpha
                                             Denticulopsis praehyalina
                                             Denticulopsis praelauta
                                             Denticulopsis punctata
                                                   Denticulopsis punctata f. hustedtii
                                             Denticulopsis seminae
                                               Denticulopsis seminae var. fossilis
                                     Fragilariopsis
                                             Fragilariopsis angulata
                                             Fragilariopsis atlantica
                                                   [Nitzschia paaschei]
                                             Fragilariopsis bjoernoeyaensis
                                             Fragilariopsis curta
                                                   [Fragilariopsis linearis var. curta]
                                                   [Nitzschia curta]
                                             Fragilariopsis cylindriformis
                                                   [Nitzschia cylindriformis]
                                             Fragilariopsis cylindrus
                                                   [Fragilariopsis cylindrus f. minor]
                                                   [Fragilariopsis cylindrus var. planctonica]
                                                   [Fragilariopsis linearis var. intermedia]
                                                   [Nitzschia cylindrus]
                                             Fragilariopsis doliolus
                                                   [Pseudo-eunotia doliolus]
                                                   [Synedra doliolus]
                                             Fragilariopsis fossilis
                                                   [Pseudo-nitzschia fossilis]
                                             Fragilariopsis humboldtianorum
                                             Fragilariopsis kerguelensis
                                                   [Fragilaria antarctica]
                                                   [Fragilariopsis antarctica]
                                                   [Nitzschia kerguelensis]
                                                   [Trachysphenia australis var. kerguelensis]
                                             Fragilariopsis linearis
                                                   [Nitzschia lineata]
                                             Fragilariopsis matuyamae
                                             Fragilariopsis obliquecostata
                                                   [Fragilaria antarctica f. lata]
                                                   [Fragilaria obliquecostata f. maxima]
                                                   [Fragilaria obliquecostata]
                                                   [Fragilariopsis sublinearis]
                                                   [Nitzschia obliquecostata]
                                             Fragilariopsis oceanica
                                                   [Nitzschia grunowii]
                                             Fragilariopsis pacifica
                                             Fragilariopsis peragallii
                                                   [Nitzschia barbieri var. latestriata]
                                                   [Nitzschia peragalli]
                                             Fragilariopsis pseudonana
                                                   [Fragilariopsis nana]
                                                   [Nitzschia pseudonana]
                                             Fragilariopsis reginae-jahniae
                                             Fragilariopsis ritscheri
                                                   [Fragilaria sublinearis var. ambigua]
                                                   [Nitzschia ritscheri]
                                             Fragilariopsis separanda
                                                   [Nitzschia separanda]
                                             Fragilariopsis vanheurckii
                                                   [Fragilaria cylindrus f. elongata]
                                                   [Fragilaria vanheurckii]
                                                   [Nitzschia vanheurckii]
                                     Giffenia
                                             Giffenia cocconeiformis
                                     Gomphonitzschia
                                             Gomphonitzschia agma
                                             Gomphonitzschia chinensis
                                             Gomphonitzschia clevei
                                             Gomphonitzschia exigua
                                             Gomphonitzschia indica
                                             Gomphonitzschia saigoni
                                             Gomphonitzschia taiaensis
                                             Gomphonitzschia ungeri
                                             Gomphonitzschia ungeriana
                                     Gomphotheca
                                             Gomphotheca clevei
                                             Gomphotheca sinensis
                                     Grunowia
                                             Grunowia sinuata
                                                   [Bacillaria sinuata]
                                                   [Denticula sinuata]
                                                   [Dimeregramma sinuatum]
                                                   [Homoeocladia sinuata]
                                                   [Nitzschia sinuata var. tumida]
                                                   [Nitzschia tumida]
                                             Grunowia solgensis
                                                   [Denticula denticula var. delognei]
                                                   [Grunowia moissacensis]
                                                   [Nitzschia denticula var. delognei]
                                                   [Nitzschia interrupta]
                                                   [Nitzschia sinuata var. delognei]
                                                   [Nitzschia solgensis]
                                             Grunowia tabellaria
                                                   [Denticula tabellaria]
                                                   [Homoeocladia tabellaria]
                                                   [Nitzschia sinuata var. tabellaria]
                                                   [Nitzschia tabellaria]
                                     Hantzschia
                                             Hantzschia abruptirostrata
                                             Hantzschia achroma
                                             Hantzschia alkaliphila
                                             Hantzschia amphilepta
                                             Hantzschia amphioxys
                                                   [Eunotia amphioxys]
                                                   [Hantzschia abundans]
                                                   [Hantzschia amphioxys var. genuina]
                                                   [Homoeocladia amphilepta]
                                                   [Homoeocladia amphioxys]
                                                   Hantzschia amphioxys f. brevis
                                                   Hantzschia amphioxys f. capitata
                                               Hantzschia amphioxys var. africana
                                               Hantzschia amphioxys var. amphilepta
                                               Hantzschia amphioxys var. amphioxys
                                               Hantzschia amphioxys var. camelus
                                               Hantzschia amphioxys var. capitata
                                               Hantzschia amphioxys var. compacta
                                               Hantzschia amphioxys var. constricta
                                               Hantzschia amphioxys var. distincte-punctata
                                               Hantzschia amphioxys var. elongata
                                               Hantzschia amphioxys var. gracilis
                                               Hantzschia amphioxys var. hyperborea
                                               Hantzschia amphioxys var. lanceolata
                                               Hantzschia amphioxys var. major
                                               Hantzschia amphioxys var. minor
                                               Hantzschia amphioxys var. obtusa
                                               Hantzschia amphioxys var. perminuta
                                               Hantzschia amphioxys var. rectiformis
                                               Hantzschia amphioxys var. robusta
                                               Hantzschia amphioxys var. rupestris
                                               Hantzschia amphioxys var. vivax
                                               Hantzschia amphioxys var. vivex
                                               Hantzschia amphioxys var. xerophila
                                               Hantzschia amphioxys var. zimmermannii
                                             Hantzschia amphyoxis
                                             Hantzschia anguis
                                             Hantzschia angusta
                                             Hantzschia baltica
                                             Hantzschia barckhausenii
                                             Hantzschia bardii
                                             Hantzschia brunneri
                                             Hantzschia calcifuga
                                             Hantzschia compacta
                                             Hantzschia compactoides
                                             Hantzschia considerata
                                             Hantzschia crassa
                                             Hantzschia delicatula
                                             Hantzschia distinctepunctata
                                             Hantzschia doigiana
                                             Hantzschia dorgaliensis
                                             Hantzschia elegantula
                                             Hantzschia elongata
                                                   [Nitzschia vivax var. elongata]
                                             Hantzschia exilis
                                             Hantzschia eximia
                                             Hantzschia fenestrata
                                             Hantzschia fogedii
                                                   [Nitzschia fogedii]
                                             Hantzschia fusiformis
                                             Hantzschia graciosa
                                               Hantzschia graciosa subsp. neotropica
                                             Hantzschia herrmannii
                                             Hantzschia hyalina
                                             Hantzschia hyperborea
                                             Hantzschia kaiseri
                                             Hantzschia kurii
                                             Hantzschia leptocephala
                                             Hantzschia linearis
                                             Hantzschia longa
                                             Hantzschia longiareolata
                                             Hantzschia lortiei
                                             Hantzschia marina
                                                   [Epithemia marina]
                                             Hantzschia mossae
                                             Hantzschia nematoda
                                             Hantzschia nitzschioides
                                             Hantzschia obtusa
                                             Hantzschia pannonica
                                             Hantzschia paracompacta
                                             Hantzschia petitiana
                                             Hantzschia possessionensis
                                             Hantzschia psammicola
                                             Hantzschia pseudomarina
                                             Hantzschia pulchella
                                             Hantzschia rhaetica
                                             Hantzschia rigida
                                             Hantzschia sardiniensis
                                             Hantzschia sigma
                                             Hantzschia simonsenii
                                             Hantzschia spectabilis
                                             Hantzschia subrupestris
                                             Hantzschia subvivacior
                                             Hantzschia valdeventricosa
                                             Hantzschia virgata
                                                   [Nitzschia virgata]
                                               Hantzschia virgata var. capitellata
                                               Hantzschia virgata var. gracilis
                                               Hantzschia virgata var. intermedia
                                                     [Hantzschia amphioxys var. intermedia]
                                               Hantzschia virgata var. leptocephala
                                               Hantzschia virgata var. wittii
                                             Hantzschia vivacior
                                             Hantzschia vivax
                                             Hantzschia weiprechtii
                                             Hantzschia weyprechtii
                                             Hantzschia wittii
                                             Hantzschia xerophila
                                     Mediaria
                                             Mediaria magna
                                             Mediaria splendida
                                                   Mediaria splendida f. tenera
                                     Neodenticula
                                             Neodenticula kamtschatica
                                                   [Denticula kamtschatica]
                                             Neodenticula koizumii
                                             Neodenticula seminae
                                     Nitzschia
                                           [Homoeocladia]
                                             Nitzschia abbreviata
                                             Nitzschia abonuensis
                                             Nitzschia abridia
                                             Nitzschia accedens
                                             Nitzschia accommodata
                                             Nitzschia acicularioides
                                             Nitzschia acicularis
                                                   [Homoeocladia acicularis]
                                                   [Synedra acicularis]
                                               Nitzschia acicularis var. closterioides
                                             Nitzschia acidoclinata
                                             Nitzschia acula
                                             Nitzschia acuminata
                                               Nitzschia acuminata var. subconstricta
                                             Nitzschia acuta
                                             Nitzschia adamata
                                             Nitzschia adamatoides
                                             Nitzschia adapta
                                             Nitzschia adductoides
                                             Nitzschia admissa
                                             Nitzschia admissoides
                                             Nitzschia aequalis
                                             Nitzschia aequora
                                             Nitzschia aequorea
                                             Nitzschia aerophiloides
                                             Nitzschia aestuari
                                             Nitzschia affinis
                                             Nitzschia africana
                                             Nitzschia agnewii
                                             Nitzschia agnita
                                             Nitzschia alba
                                             Nitzschia albicostalis
                                             Nitzschia alexandrina
                                             Nitzschia alicae
                                             Nitzschia allanssonii
                                             Nitzschia alpina
                                             Nitzschia alpinobacillum
                                             Nitzschia amabilis
                                                   [Nitzschia laevis]
                                             Nitzschia ambigua
                                             Nitzschia amisaensis
                                             Nitzschia amphibia
                                                   [Bacillaria amphibia]
                                                   [Homoeocladia amphibia]
                                                   Nitzschia amphibia f. abbreviata
                                                   Nitzschia amphibia f. frauenfeldii
                                                         [Nitzschia denticuloides]
                                                         [Nitzschia frauenfeldii]
                                                   Nitzschia amphibia f. rostrata
                                               Nitzschia amphibia var. acutiuscula
                                               Nitzschia amphibia var. amphibia
                                               Nitzschia amphibia var. intermedia
                                               Nitzschia amphibia var. pelagica
                                               Nitzschia amphibia var. umbrosa
                                             Nitzschia amphibioides
                                             Nitzschia amphicephala
                                             Nitzschia amphioxoides
                                             Nitzschia amphioxys
                                                   Nitzschia amphioxys f. elongata
                                               Nitzschia amphioxys var. elongata
                                             Nitzschia amphiplectans
                                             Nitzschia amphiprora
                                             Nitzschia amplectens
                                             Nitzschia amundonii
                                             Nitzschia anassae
                                             Nitzschia andicola
                                             Nitzschia angularis
                                               Nitzschia angularis var. affinis
                                             Nitzschia angustata
                                               Nitzschia angustata var. acuta
                                               Nitzschia angustata var. curta
                                               Nitzschia angustata var. minuta
                                               Nitzschia angustata var. protracta
                                             Nitzschia angustatula
                                             Nitzschia angusteforaminata
                                             Nitzschia angustiforaminata
                                             Nitzschia aniae
                                             Nitzschia apiceconica
                                             Nitzschia apiculata
                                             Nitzschia archibaldii
                                             Nitzschia arcuata
                                             Nitzschia arcula
                                             Nitzschia aremonica
                                             Nitzschia arenosa
                                             Nitzschia armoricana
                                             Nitzschia asperula
                                             Nitzschia astridiae
                                             Nitzschia attenuata
                                             Nitzschia aurantiaca
                                             Nitzschia aurariae
                                             Nitzschia aurica
                                             Nitzschia auricula
                                             Nitzschia australis
                                                   [Nitzschia dubia var. australis]
                                             Nitzschia bacata
                                                   Nitzschia bacata f. linearis
                                             Nitzschia bacillariaeformis
                                             Nitzschia bacilliformis
                                             Nitzschia bacillum
                                             Nitzschia balcanica
                                             Nitzschia baltica
                                             Nitzschia barbieri
                                                   [Nitzschia ostenfeldii var. minor]
                                             Nitzschia barronii
                                             Nitzschia barrowiana
                                             Nitzschia bartholomei
                                             Nitzschia bavarica
                                             Nitzschia behrei
                                             Nitzschia bergii
                                             Nitzschia beyeri
                                             Nitzschia biacrula
                                             Nitzschia bicapitata
                                               Nitzschia bicapitata var. faeroensis
                                             Nitzschia bifurcata
                                             Nitzschia bilobata
                                               Nitzschia bilobata var. hybrida
                                               Nitzschia bilobata var. minor
                                             Nitzschia bita
                                             Nitzschia blankaartensis
                                             Nitzschia bombiformis
                                             Nitzschia borealis
                                             Nitzschia bosumtwiensis
                                             Nitzschia braarudii
                                             Nitzschia brebissonii
                                               Nitzschia brebissonii var. borealis
                                               Nitzschia brebissonii var. minuta
                                             Nitzschia bremenensis
                                             Nitzschia bremensis
                                               Nitzschia bremensis var. brunsvigensis
                                             Nitzschia brevior
                                             Nitzschia brevirostris
                                             Nitzschia brevissima
                                                   [Nitzschia obtusa var. brevissima]
                                                   [Nitzschia parvula var. terricola]
                                               Nitzschia brevissima var. terricola
                                             Nitzschia brevistriata
                                             Nitzschia brittonii
                                             Nitzschia brunoi
                                             Nitzschia bryophila
                                             Nitzschia buceros
                                             Nitzschia bukensis
                                             Nitzschia bulnheimiana
                                             Nitzschia buschbeckii
                                             Nitzschia calcicola
                                             Nitzschia caledonensis
                                             Nitzschia calida
                                               Nitzschia calida var. salinarum
                                             Nitzschia californica
                                             Nitzschia capensis
                                             Nitzschia capitata
                                             Nitzschia capitellata
                                               Nitzschia capitellata var. sibirica
                                             Nitzschia carnicobarica
                                             Nitzschia challengeri
                                             Nitzschia chalonii
                                             Nitzschia chandolensis
                                             Nitzschia chardezii
                                             Nitzschia chasei
                                             Nitzschia chungara
                                             Nitzschia clarissima
                                             Nitzschia clausii
                                                   [Nitzschia curvula var. subcapitata]
                                                   [Nitzschia sigma var. clausii]
                                             Nitzschia clementei
                                             Nitzschia clementia
                                             Nitzschia clevei
                                             Nitzschia closterum
                                               Nitzschia closterum var. reversa
                                             Nitzschia communis
                                               Nitzschia communis var. abbreviata
                                               Nitzschia communis var. hyalina
                                               Nitzschia communis var. minuta
                                               Nitzschia communis var. obtusa
                                             Nitzschia commutata
                                                   [Nitzschia pseudoamphyoxys]
                                             Nitzschia commutatoides
                                             Nitzschia compressa
                                                   Nitzschia compressa f. minor
                                               Nitzschia compressa var. balatonis
                                               Nitzschia compressa var. elongata
                                               Nitzschia compressa var. minutula
                                               Nitzschia compressa var. pararostrata
                                               Nitzschia compressa var. vexans
                                             Nitzschia concordia
                                             Nitzschia confinis
                                             Nitzschia confusa
                                             Nitzschia congolensis
                                             Nitzschia constricta
                                                   Nitzschia constricta f. parva
                                               Nitzschia constricta var. subconstricta
                                             Nitzschia consummata
                                             Nitzschia costei
                                             Nitzschia coutei
                                             Nitzschia creticola
                                             Nitzschia cucumis
                                             Nitzschia cursoria
                                             Nitzschia curvata
                                             Nitzschia curvilineata
                                             Nitzschia curvipunctata
                                             Nitzschia curvirostris
                                             Nitzschia cylindroformis
                                             Nitzschia dakariensis
                                             Nitzschia dealpina
                                             Nitzschia debliis
                                             Nitzschia decipiens
                                                   [Nitzschia acicularis var. antarctica]
                                                   [Nitzschia dissipata var. antarctica]
                                             Nitzschia delauneyi
                                             Nitzschia delognei
                                             Nitzschia desertorum
                                             Nitzschia dianae
                                             Nitzschia diaphana
                                             Nitzschia dietrichii
                                             Nitzschia dilatata
                                             Nitzschia diluviana
                                             Nitzschia dippelii
                                             Nitzschia directa
                                             Nitzschia diserta
                                             Nitzschia disputata
                                             Nitzschia dissipata
                                                   [Homoeocladia dissipata]
                                                   [Nitzschia palea f. dissipata]
                                                   [Nitzschia palea var. dissipata]
                                                   [Synedra dissipata]
                                                   Nitzschia dissipata f. undulata
                                               Nitzschia dissipata subsp. oligotraphenta
                                               Nitzschia dissipata var. acula
                                               Nitzschia dissipata var. borneensis
                                               Nitzschia dissipata var. media
                                                     [Nitzschia media]
                                                     [Nitzschia tenuis var. media]
                                             Nitzschia dissipatoides
                                             Nitzschia distans
                                               Nitzschia distans var. subsigmoidea
                                               Nitzschia distans var. tumescens
                                             Nitzschia distantoides
                                             Nitzschia divaricata
                                             Nitzschia diversa
                                             Nitzschia diversecostata
                                             Nitzschia doljensis
                                             Nitzschia draveillensis
                                             Nitzschia droebakensis
                                             Nitzschia dubia
                                                   [Homoeocladia dubia]
                                             Nitzschia dubiformis
                                             Nitzschia dubiiformis
                                             Nitzschia dubioides
                                             Nitzschia ebroicensis
                                             Nitzschia eglei
                                             Nitzschia elegans
                                             Nitzschia elegantula
                                                   [Nitzschia microcephala var. elegantula]
                                             Nitzschia elegens
                                             Nitzschia elliptica
                                             Nitzschia elongata
                                             Nitzschia entomon
                                             Nitzschia epiphytica
                                             Nitzschia epiphyticoides
                                             Nitzschia epithemoides
                                                   [Nitzschia epithemiformis]
                                                   [Nitzschia epithemioides]
                                               Nitzschia epithemoides var. disputata
                                             Nitzschia erlandssonii
                                             Nitzschia erosa
                                             Nitzschia etoshensis
                                             Nitzschia examinanda
                                             Nitzschia eximia
                                             Nitzschia fasciculata
                                                   [Nitzschia sigma var. fasciculata]
                                             Nitzschia febigeri
                                             Nitzschia ferrazae
                                             Nitzschia fibula-fissa
                                             Nitzschia filiformis
                                               Nitzschia filiformis var. conferta
                                             Nitzschia flexa
                                             Nitzschia flexoides
                                             Nitzschia fluminenesis
                                             Nitzschia fluminensis
                                             Nitzschia fluorescens
                                             Nitzschia fluvialis
                                             Nitzschia fogedi
                                             Nitzschia fonticola
                                                   [Nitzschia kŸtzingiana var. fonticola]
                                                   [Nitzschia palea var. fonticola]
                                               Nitzschia fonticola var. capitata
                                               Nitzschia fonticola var. pelagica
                                             Nitzschia fonticoloides
                                             Nitzschia fontifuga
                                             Nitzschia forfica
                                             Nitzschia formosa
                                             Nitzschia fossilis
                                                   [Nitzschia amphibia var. fossilis]
                                             Nitzschia fragilariiformis
                                             Nitzschia franconica
                                                   [Homoeocladia franconica]
                                             Nitzschia frequens
                                             Nitzschia frickei
                                             Nitzschia frigida
                                             Nitzschia frustuloides
                                             Nitzschia frustulum
                                                   [Nitzschia austriaca]
                                               Nitzschia frustulum var. bryophila
                                               Nitzschia frustulum var. bulnheimiana
                                               Nitzschia frustulum var. capitata
                                               Nitzschia frustulum var. indica
                                               Nitzschia frustulum var. minutula
                                               Nitzschia frustulum var. perpusilla
                                               Nitzschia frustulum var. perpusillum
                                               Nitzschia frustulum var. recurvata
                                               Nitzschia frustulum var. salinarum
                                               Nitzschia frustulum var. subsalina
                                               Nitzschia frustulum var. tenella
                                             Nitzschia fruticosa
                                             Nitzschia fundi
                                             Nitzschia fusiformis
                                             Nitzschia gaarderi
                                             Nitzschia gaertnerae
                                             Nitzschia gaertneriae
                                             Nitzschia gandersheimiensis
                                             Nitzschia garrensis
                                             Nitzschia geitleri
                                             Nitzschia geitlerii
                                             Nitzschia gelida
                                               Nitzschia gelida var. manitounukensis
                                             Nitzschia geniculata
                                             Nitzschia gessneri
                                             Nitzschia gieskesii
                                             Nitzschia gigantea
                                             Nitzschia gisela
                                             Nitzschia glabra
                                             Nitzschia glacialis
                                               Nitzschia glacialis var. tenuior
                                             Nitzschia glandiformis
                                             Nitzschia gotlandica
                                             Nitzschia graciliformis
                                             Nitzschia gracilis
                                                   [Homoeocladia gracilis]
                                                   Nitzschia gracilis f. acicularoides
                                               Nitzschia gracilis var. capitata
                                               Nitzschia gracilis var. minor
                                             Nitzschia gracillima
                                             Nitzschia graciloides
                                             Nitzschia gradifera
                                             Nitzschia grana
                                             Nitzschia grandis
                                             Nitzschia granulosa
                                             Nitzschia groenlandica
                                             Nitzschia grossestriata
                                             Nitzschia grovei
                                             Nitzschia gruendleri
                                             Nitzschia guadalupensis
                                             Nitzschia guineensis
                                             Nitzschia guttula
                                             Nitzschia gyrosigma
                                             Nitzschia habirshawii
                                                   [Nitzschia sigma var. habirshawii]
                                             Nitzschia habishawii
                                             Nitzschia hadriatica
                                                   [Nitzschia liebetruthii var. major]
                                             Nitzschia hamburgiensis
                                             Nitzschia hantzschiana
                                                   [Homoeocladia hantzschiana]
                                                   [Nitzschia frustulum var. hantzschiana]
                                                   [Nitzschia tenuis var. parva]
                                               Nitzschia hantzschiana var. tenuior
                                             Nitzschia harderi
                                                   [Nitzschia terricola]
                                             Nitzschia harrissonii
                                             Nitzschia hassiaca
                                             Nitzschia heidenii
                                             Nitzschia heteropolica
                                             Nitzschia heufleriana
                                                   [Hantzschia heufleriana]
                                                   [Homoeocladia heufleriana]
                                               Nitzschia heufleriana var. elongata
                                             Nitzschia hiengheneana
                                             Nitzschia hierosolymitana
                                             Nitzschia holastica
                                             Nitzschia hollerupensis
                                             Nitzschia holsatica
                                                   [Nitzschia actinastroides]
                                                   [Nitzschia intermedia f. actinastroides]
                                             Nitzschia homburgiensis
                                             Nitzschia hudsonii
                                             Nitzschia hummii
                                             Nitzschia hungarica
                                               Nitzschia hungarica var. genuina
                                               Nitzschia hungarica var. pantocsekii
                                             Nitzschia hustedti
                                             Nitzschia hustedtiana
                                             Nitzschia hyalina
                                             Nitzschia hybrida
                                               Nitzschia hybrida var. gaspesiana
                                               Nitzschia hybrida var. hyalina
                                             Nitzschia hybridaeformis
                                             Nitzschia ignorata
                                               Nitzschia ignorata var. rousselinii
                                             Nitzschia iltisii
                                             Nitzschia impressa
                                             Nitzschia improvisa
                                             Nitzschia incerta
                                                   [Nitzschia lorenziana var. incerta]
                                             Nitzschia incognita
                                             Nitzschia inconspicua
                                                   [Homoeocladia inconspicua]
                                                   [Nitzschia frustulum var. inconspicua]
                                                   [Nitzschia perpusilla var. inconspicua]
                                             Nitzschia incrustans
                                             Nitzschia incurva
                                               Nitzschia incurva var. incurva
                                               Nitzschia incurva var. lorenziana
                                               Nitzschia incurva var. subtilis
                                             Nitzschia incurvata
                                               Nitzschia incurvata var. lorenziana
                                             Nitzschia indica
                                             Nitzschia ingenua
                                             Nitzschia inimasta
                                             Nitzschia innominata
                                             Nitzschia insecta
                                             Nitzschia insignis
                                               Nitzschia insignis var. notabilis
                                               Nitzschia insignis var. smithii
                                             Nitzschia intermedia
                                                   [Homoeocladia intermedia]
                                                   [Nitzschia subtilis var. intermedia]
                                             Nitzschia intermissa
                                             Nitzschia invicta
                                                   Nitzschia invicta f. lanceolata
                                             Nitzschia invisa
                                             Nitzschia invisitata
                                             Nitzschia iranica
                                             Nitzschia irregularis
                                             Nitzschia irremissa
                                             Nitzschia irrepta
                                             Nitzschia irresoluta
                                             Nitzschia irritans
                                             Nitzschia italica
                                             Nitzschia janischii
                                             Nitzschia johnmartinii
                                             Nitzschia juba
                                             Nitzschia jucunda
                                             Nitzschia jugata
                                               Nitzschia jugata var. patrickiae
                                             Nitzschia jugiformis
                                             Nitzschia kahlii
                                             Nitzschia kanakarum
                                             Nitzschia kanayae
                                             Nitzschia kavirondoensis
                                             Nitzschia kimberliensis
                                             Nitzschia kittlii
                                             Nitzschia kittonii
                                             Nitzschia knysnensis
                                             Nitzschia kolaczeckii
                                             Nitzschia kolaczekii
                                             Nitzschia kotschyi
                                             Nitzschia kowiensis
                                             Nitzschia krachiensis
                                             Nitzschia krenicola
                                             Nitzschia kuetzingiana
                                               Nitzschia kuetzingiana var. hyalina
                                             Nitzschia kuetzingii
                                             Nitzschia kuetzingioides
                                             Nitzschia kurzeana
                                                   [Nitzschia obtusa var. kurziana]
                                                   [Nitzschia obtusa var. kurzii]
                                             Nitzschia kurzii
                                             Nitzschia labella
                                             Nitzschia labuensis
                                             Nitzschia lacrima
                                             Nitzschia lacunarum
                                             Nitzschia lacunicola
                                             Nitzschia lacus-karluki
                                             Nitzschia lacustris
                                             Nitzschia lacuum
                                             Nitzschia laevissima
                                             Nitzschia lagunae
                                             Nitzschia lagunensis
                                             Nitzschia lamprocampa
                                               Nitzschia lamprocampa var. striata
                                             Nitzschia lanceola
                                               Nitzschia lanceola var. minutula
                                             Nitzschia lanceolata
                                                   Nitzschia lanceolata f. minor
                                               Nitzschia lanceolata var. incrustans
                                               Nitzschia lanceolata var. lanceolata
                                               Nitzschia lanceolata var. minima
                                               Nitzschia lanceolata var. minor
                                             Nitzschia lancettula
                                             Nitzschia lancettuloides
                                             Nitzschia lange-bertalotii
                                             Nitzschia latens
                                             Nitzschia latiuscula
                                             Nitzschia lauenbergiana
                                             Nitzschia lauenburgiana
                                             Nitzschia lecointei
                                                   [Nitzschia acicularis var. interrupta]
                                                   [Nitzschia lanceolata f. australis]
                                                   [Nitzschia lanceolata var. spicula]
                                             Nitzschia leehyi
                                             Nitzschia legleri
                                             Nitzschia lehyi
                                             Nitzschia leistikowii
                                             Nitzschia lesbia
                                             Nitzschia lesinensis
                                             Nitzschia lesothensis
                                             Nitzschia leucosigma
                                             Nitzschia levidensis
                                               Nitzschia levidensis var. salinarum
                                             Nitzschia liebetruthii
                                             Nitzschia ligowskii
                                             Nitzschia linearis
                                                   [Frustulia linearis]
                                               Nitzschia linearis var. major
                                               Nitzschia linearis var. subtilis
                                                     [Bacillaria subtilis]
                                                     [Nitzschia subtilis]
                                                     [Synedra subtilis]
                                                     [Synedra tenuis var. subtilis]
                                               Nitzschia linearis var. suecica
                                               Nitzschia linearis var. tenuis
                                                     [Nitzschia tenuis]
                                             Nitzschia linkei
                                             Nitzschia lionella
                                             Nitzschia littoralis
                                               Nitzschia littoralis var. slesvicensis
                                               Nitzschia littoralis var. tergestina
                                             Nitzschia littorea
                                             Nitzschia longicollum
                                             Nitzschia longirostris
                                             Nitzschia longissima
                                                   [Ceratoneis longissima]
                                                   [Nitzschia birostrata]
                                                   Nitzschia longissima f. costata
                                                   Nitzschia longissima f. parva
                                             Nitzschia lorenziana
                                               Nitzschia lorenziana var. incurva
                                               Nitzschia lorenziana var. major
                                               Nitzschia lorenziana var. muscicola
                                               Nitzschia lorenziana var. subtilis
                                             Nitzschia lucisensibilis
                                             Nitzschia lurida
                                             Nitzschia luzonensis
                                             Nitzschia macaronesica
                                             Nitzschia macedonica
                                             Nitzschia macera
                                             Nitzschia machardyae
                                             Nitzschia macilenta
                                             Nitzschia mahihaensis
                                             Nitzschia mahoodii
                                             Nitzschia maillardii
                                             Nitzschia major
                                             Nitzschia majuscula
                                             Nitzschia makarovae
                                             Nitzschia manca
                                             Nitzschia mancoides
                                             Nitzschia manguini
                                             Nitzschia marginata
                                             Nitzschia marginulata
                                                   Nitzschia marginulata f. minuta
                                                   Nitzschia marginulata f. parva
                                               Nitzschia marginulata var. didyma
                                               Nitzschia marginulata var. subconstricta
                                             Nitzschia marina
                                                   [Nitzschia angustata var. marina]
                                                   [Pseudo-nitzschia hustedtii]
                                                   [Synedra gaussi]
                                             Nitzschia martiana
                                                   [Homoeocladia martiana]
                                             Nitzschia maxima
                                             Nitzschia medioconstricta
                                             Nitzschia mediocris
                                             Nitzschia metzeltinii
                                             Nitzschia microcephala
                                             Nitzschia minuta
                                             Nitzschia minutissima
                                             Nitzschia minutula
                                             Nitzschia miserabilis
                                             Nitzschia mitchelliana
                                             Nitzschia modesta
                                             Nitzschia moissacensis
                                               Nitzschia moissacensis var. heidenii
                                             Nitzschia monachorum
                                             Nitzschia monoensis
                                             Nitzschia montanestris
                                             Nitzschia morosa
                                             Nitzschia nana
                                             Nitzschia natalensis
                                             Nitzschia natans
                                             Nitzschia nathorsti
                                             Nitzschia navis-varingica
                                             Nitzschia navrongensis
                                             Nitzschia neglecta
                                             Nitzschia neocaledonica
                                             Nitzschia neofrigida
                                             Nitzschia neogena
                                             Nitzschia neotropica
                                             Nitzschia nereidis
                                             Nitzschia nicobarica
                                             Nitzschia nienhuisii
                                             Nitzschia normannii
                                             Nitzschia notabilis
                                             Nitzschia nova-zealandia
                                             Nitzschia novae-guinaeensis
                                             Nitzschia novae-guineaensis
                                             Nitzschia novaehollandiae
                                             Nitzschia nyassensis
                                             Nitzschia oberheimiana
                                             Nitzschia obesa
                                             Nitzschia obscura
                                             Nitzschia obsidialis
                                             Nitzschia obsoleta
                                             Nitzschia obsoletiformis
                                             Nitzschia obtusa
                                               Nitzschia obtusa var. nana
                                               Nitzschia obtusa var. scalpelliformis
                                               Nitzschia obtusa var. schweinfurthii
                                             Nitzschia oceanica
                                             Nitzschia ocellata
                                             Nitzschia oliffi
                                             Nitzschia omega
                                             Nitzschia osmophila
                                             Nitzschia ostenfeldii
                                             Nitzschia ovalis
                                             Nitzschia pacifica
                                             Nitzschia palacea
                                             Nitzschia palea
                                                   [Homoeocladia palea]
                                                   [Synedra palea]
                                                   Nitzschia palea f. astriata
                                                   Nitzschia palea f. dubia
                                               Nitzschia palea var. barodensis
                                               Nitzschia palea var. capitata
                                               Nitzschia palea var. debilis
                                                     [Synedra debilis]
                                               Nitzschia palea var. major
                                               Nitzschia palea var. minuta
                                               Nitzschia palea var. palea
                                               Nitzschia palea var. sumatrana
                                               Nitzschia palea var. tenuirostris
                                             Nitzschia paleacea
                                                   [Nitzschia subtilis var. paleacea]
                                             Nitzschia paleaeformis
                                             Nitzschia paleoides
                                             Nitzschia palustris
                                             Nitzschia pamirensis
                                             Nitzschia pandurifomris
                                               Nitzschia pandurifomris var. continua
                                             Nitzschia panduriformis
                                               Nitzschia panduriformis var. delicatula
                                               Nitzschia panduriformis var. minor
                                             Nitzschia pantocsekii
                                             Nitzschia paradoxa
                                               Nitzschia paradoxa var. major
                                               Nitzschia paradoxa var. pacifica
                                               Nitzschia paradoxa var. perpusilla
                                             Nitzschia parallela
                                             Nitzschia pararostrata
                                             Nitzschia parvula
                                                   [Homoeocladia parvula]
                                             Nitzschia parvuloides
                                             Nitzschia peisonis
                                             Nitzschia pelagica
                                             Nitzschia pellucida
                                             Nitzschia pennata
                                             Nitzschia peragallii
                                             Nitzschia perindistincta
                                             Nitzschia perminuta
                                                   [Nitzschia frustulum var. perminutum]
                                                   [Nitzschia hiemalis]
                                             Nitzschia perpusilla
                                             Nitzschia perspicua
                                             Nitzschia persuadens
                                             Nitzschia pertica
                                             Nitzschia petitiana
                                             Nitzschia philippinarum
                                             Nitzschia pilum
                                             Nitzschia pinguescens
                                             Nitzschia piscinarum
                                             Nitzschia plana
                                                   Nitzschia plana f. ornata
                                               Nitzschia plana var. americana
                                             Nitzschia planctonica
                                             Nitzschia plioveterana
                                             Nitzschia polaris
                                             Nitzschia polymorpha
                                             Nitzschia praecurta
                                             Nitzschia praefossilis
                                             Nitzschia praereinholdii
                                             Nitzschia procera
                                             Nitzschia prolongata
                                               Nitzschia prolongata var. hoehnkii
                                                     [Nitzschia hoehnkii]
                                             Nitzschia promare
                                             Nitzschia propinqua
                                             Nitzschia pseudepiphytica
                                             Nitzschia pseudoamphioxoides
                                             Nitzschia pseudoamphioxys
                                             Nitzschia pseudoatomus
                                             Nitzschia pseudobacata
                                             Nitzschia pseudocapitata
                                             Nitzschia pseudocarinata
                                             Nitzschia pseudocommunis
                                             Nitzschia pseudocylindrica
                                             Nitzschia pseudofonticola
                                             Nitzschia pseudohybrida
                                             Nitzschia pseudosigma
                                             Nitzschia pseudosinuata
                                             Nitzschia pseudostagnorum
                                             Nitzschia pulcherrima
                                             Nitzschia pumila
                                             Nitzschia punctata
                                                   Nitzschia punctata f. minor
                                               Nitzschia punctata var. apiculata
                                               Nitzschia punctata var. coarctata
                                               Nitzschia punctata var. constricta
                                                     [Tryblionella punctata var. constricta]
                                               Nitzschia punctata var. curta
                                               Nitzschia punctata var. elongata
                                               Nitzschia punctata var. minutissima
                                             Nitzschia pungens
                                               Nitzschia pungens var. atlantica
                                             Nitzschia pura
                                             Nitzschia puriformis
                                             Nitzschia pusilla
                                                   [Hantzschia amphioxys var. pusilla]
                                                   [Nitzschia amphioxys var. pusilla]
                                                   [Nitzschia indistincta]
                                                   [Nitzschia kŸtzingiana]
                                                   [Nitzschia obtusangula]
                                               Nitzschia pusilla var. monoensis
                                             Nitzschia putrida
                                                   [Nitzschia constricta var. putrida]
                                                   [Synedra putrida]
                                             Nitzschia quadrangula
                                             Nitzschia quandrangula
                                             Nitzschia radicula
                                               Nitzschia radicula var. rostrata
                                             Nitzschia rautenbachiae
                                             Nitzschia recta
                                                   [Nitzschia vitrea var. recta]
                                               Nitzschia recta var. robusta
                                             Nitzschia rectiformis
                                             Nitzschia rectilonga
                                             Nitzschia rectirobusta
                                             Nitzschia rectissima
                                             Nitzschia regula
                                             Nitzschia reimeri
                                             Nitzschia reimerii
                                             Nitzschia reimersenii
                                             Nitzschia retusa
                                             Nitzschia rhombica
                                             Nitzschia rhopalodioides
                                             Nitzschia rigida
                                             Nitzschia robusta
                                             Nitzschia rochensis
                                             Nitzschia rolandii
                                             Nitzschia romana
                                             Nitzschia romanoides
                                             Nitzschia rosenstockii
                                             Nitzschia rostellata
                                             Nitzschia rostrata
                                             Nitzschia rugosa
                                             Nitzschia rupestris
                                             Nitzschia rusingae
                                             Nitzschia ruttneri
                                             Nitzschia salinarum
                                             Nitzschia salinicola
                                             Nitzschia salpaespinosae
                                             Nitzschia sansimoni
                                             Nitzschia sarcophagum
                                             Nitzschia scabra
                                             Nitzschia scaligera
                                             Nitzschia scalpelliformis
                                             Nitzschia scapelliformis
                                             Nitzschia schliephackeana
                                             Nitzschia schwabei
                                             Nitzschia schweikertii
                                             Nitzschia scutellum
                                             Nitzschia sellingii
                                             Nitzschia semicostata
                                             Nitzschia semirobusta
                                             Nitzschia serpenticola
                                             Nitzschia serpentiraphe
                                             Nitzschia serrata
                                             Nitzschia sicula
                                                   [Nitzschia migrans]
                                                   [Pseudo-nitzschia sicula var. migrans]
                                                   [Pseudo-nitzschia sicula]
                                                   [Synedra sicula]
                                               Nitzschia sicula var. bicuneata
                                                     [Nematoplata bicuneata]
                                                     [Pseudo-nitzschia sicula var. bicuneata]
                                                     [Rhaphoneis bicuneata]
                                               Nitzschia sicula var. migrans
                                               Nitzschia sicula var. rostrata
                                             Nitzschia sigma
                                                   [Homoeocladia sigma]
                                                   [Sigmatella sigma]
                                                   [Synedra sigma]
                                                   Nitzschia sigma f. brevior
                                               Nitzschia sigma var. amphioxys
                                               Nitzschia sigma var. curvula
                                               Nitzschia sigma var. diminuta
                                               Nitzschia sigma var. fonticola
                                               Nitzschia sigma var. intercedens
                                               Nitzschia sigma var. rigida
                                               Nitzschia sigma var. rigidula
                                                     [Nitzschia rigida var. rigidula]
                                               Nitzschia sigma var. sigmatella
                                             Nitzschia sigmaformis
                                             Nitzschia sigmoidea
                                                   [Bacillaria sigmoidea]
                                                   [Cymbella sigmoidea]
                                                   [Frustulia sigmoidea]
                                                   [Homoeocladia sigmoidea]
                                                   [Synedra sigmoidea]
                                               Nitzschia sigmoidea var. armoricana
                                               Nitzschia sigmoidea var. minuscula
                                             Nitzschia silica
                                             Nitzschia silicula
                                               Nitzschia silicula var. commutata
                                             Nitzschia siliqua
                                             Nitzschia similis
                                             Nitzschia simplex
                                             Nitzschia simpliciformis
                                             Nitzschia sinuata
                                               Nitzschia sinuata var. sinuata
                                               Nitzschia sinuata var. svalbardensis
                                             Nitzschia smithii
                                             Nitzschia sociabilis
                                                   [Nitzschia subtubicola]
                                             Nitzschia socialis
                                               Nitzschia socialis var. baltica
                                               Nitzschia socialis var. kariana
                                             Nitzschia solita
                                             Nitzschia soratensis
                                             Nitzschia spathulata
                                               Nitzschia spathulata var. hyalina
                                             Nitzschia speciosa
                                             Nitzschia spectabilis
                                             Nitzschia sphaerophora
                                             Nitzschia spiculoides
                                             Nitzschia spiculum
                                             Nitzschia spinarum
                                             Nitzschia steenbergensis
                                             Nitzschia stellata
                                             Nitzschia steynii
                                             Nitzschia stimulus
                                             Nitzschia stoliczkiana
                                             Nitzschia stompsii
                                               Nitzschia stompsii var. stompsii
                                             Nitzschia strelnikovae
                                             Nitzschia stricta
                                             Nitzschia strigillata
                                             Nitzschia striolata
                                             Nitzschia subaccommodata
                                             Nitzschia subacicularis
                                             Nitzschia subacuta
                                             Nitzschia subamphioxioides
                                             Nitzschia subamphioxoides
                                             Nitzschia subapiculata
                                             Nitzschia subbacata
                                             Nitzschia subcapitata
                                             Nitzschia subcapitellata
                                             Nitzschia subcohaerens
                                             Nitzschia subcommunis
                                             Nitzschia subconstricta
                                             Nitzschia subdenticula
                                             Nitzschia subfalcata
                                             Nitzschia subfrustulum
                                             Nitzschia subgraciloides
                                             Nitzschia subinflata
                                             Nitzschia subinvicta
                                             Nitzschia sublaevis
                                             Nitzschia sublanceolata
                                             Nitzschia sublica
                                             Nitzschia sublinearis
                                             Nitzschia sublongirostris
                                             Nitzschia submarina
                                             Nitzschia submediocris
                                             Nitzschia subodiosa
                                             Nitzschia subpunctata
                                             Nitzschia subromana
                                             Nitzschia subrostrata
                                             Nitzschia subrostratoides
                                             Nitzschia subrostroides
                                             Nitzschia subsalsa
                                             Nitzschia subtilioides
                                             Nitzschia suchlandtii
                                             Nitzschia sundaensis
                                             Nitzschia supralitorea
                                             Nitzschia tantata
                                             Nitzschia tarda
                                             Nitzschia taylorii
                                             Nitzschia temperei
                                             Nitzschia tenella
                                             Nitzschia tenerifa
                                             Nitzschia tenuiarcuata
                                             Nitzschia tenuirostris
                                             Nitzschia tenuissima
                                             Nitzschia tergestina
                                             Nitzschia terrestris
                                                   [Nitzschia vermicularis var. terrestris]
                                             Nitzschia thermalis
                                                   [Navicula thermalis]
                                                   [Surirella thermalis]
                                               Nitzschia thermalis var. capitata
                                               Nitzschia thermalis var. intermedia
                                               Nitzschia thermalis var. minor
                                             Nitzschia thermaloides
                                             Nitzschia tibetana
                                             Nitzschia tirstrupensis
                                             Nitzschia tonoensis
                                             Nitzschia towutensis
                                             Nitzschia translucida
                                             Nitzschia tropica
                                             Nitzschia tryblionella
                                                   [Homoeocladia tryblionella]
                                                   [Tryblionella hantzschiana var. australica]
                                                   [Tryblionella hantzschiana var. calida]
                                                   [Tryblionella hantzschiana var. maxima]
                                                   [Tryblionella hantzschiana var. minor]
                                                   [Tryblionella hantzschiana var. ovata]
                                               Nitzschia tryblionella var. ambigua
                                               Nitzschia tryblionella var. calida
                                               Nitzschia tryblionella var. maxima
                                               Nitzschia tryblionella var. salinarum
                                             Nitzschia tsarenkoi
                                             Nitzschia tubicola
                                                   [Homoeocladia tubicola]
                                             Nitzschia umaoiensis
                                             Nitzschia umbonata
                                                   [Navicula umbonata]
                                                   [Nitzschia diducta]
                                                   [Nitzschia fossalis]
                                                   [Nitzschia stagnorum]
                                                   [Surirella umbonata]
                                             Nitzschia vacillata
                                             Nitzschia vacua
                                             Nitzschia valdecostata
                                             Nitzschia valdestriata
                                             Nitzschia valens
                                                   [Homoeocladia valens]
                                                   [Synedra valens]
                                             Nitzschia valga
                                             Nitzschia valida
                                                   Nitzschia valida f. longissima
                                             Nitzschia vanoyei
                                             Nitzschia vasta
                                             Nitzschia ventricosa
                                             Nitzschia vermicularioides
                                             Nitzschia vermicularis
                                                   [Bacillaria vermicularis]
                                                   [Frustulia vermicularis]
                                                   [Homoeocladia vermicularis]
                                                   [Sigmatella vermicularis]
                                                   [Synedra vermicularis]
                                               Nitzschia vermicularis var. minor
                                               Nitzschia vermicularis var. minuta
                                               Nitzschia vermicularis var. vialis
                                             Nitzschia vermicularoides
                                             Nitzschia vexans
                                             Nitzschia vidovichii
                                             Nitzschia vildaryana
                                             Nitzschia villarealii
                                             Nitzschia vitrea
                                                   [Homoeocladia vitrea]
                                                   [Nitzschia linearis var. vitrea]
                                               Nitzschia vitrea var. maior
                                               Nitzschia vitrea var. salinarum
                                               Nitzschia vitrea var. subvitrea
                                                     [Nitzschia subvitrea]
                                             Nitzschia vivax
                                                   Nitzschia vivax f. minor
                                             Nitzschia vixnegligenda
                                             Nitzschia vonhauseniae
                                             Nitzschia vulga
                                             Nitzschia weaveri
                                             Nitzschia weissflogii
                                             Nitzschia westii
                                                   [Fragilaria tenuicollis var. antarctica]
                                             Nitzschia williamsiii
                                             Nitzschia wipplingeri
                                             Nitzschia witkowskii
                                             Nitzschia wodensis
                                             Nitzschia woltereckii
                                             Nitzschia woltereckoides
                                             Nitzschia wuellerstorfii
                                             Nitzschia wunsamiae
                                             Nitzschia yunchengensis
                                             Nitzschia zululandica
                                     Ophidocampa
                                             Ophidocampa crocodilus
                                                   [Eunotia crocodilus]
                                     Perrya
                                             Perrya pulcherrima
                                     Pseudo-nitzschia
                                             Pseudo-nitzschia americana
                                                   [Nitzschia americana]
                                             Pseudo-nitzschia antarctica
                                             Pseudo-nitzschia arenysensis
                                             Pseudo-nitzschia australis
                                                   [Nitzschia pseudoseriata]
                                             Pseudo-nitzschia barkeleyi
                                               Pseudo-nitzschia barkeleyi var. obtusa
                                             Pseudo-nitzschia batesiana
                                             Pseudo-nitzschia brasiliana
                                             Pseudo-nitzschia caciantha
                                             Pseudo-nitzschia calliantha
                                             Pseudo-nitzschia circumpora
                                             Pseudo-nitzschia cuspidata
                                                   [Nitzschia cuspidata]
                                             Pseudo-nitzschia decipiens
                                             Pseudo-nitzschia delicatissima
                                                   [Homoeocladia delicatissima]
                                                   [Nitzschia actydrophila]
                                                   [Nitzschia delicatissima]
                                             Pseudo-nitzschia dolorosa
                                             Pseudo-nitzschia fraudulenta
                                                   [Nitzschia fraudulenta]
                                                   [Pseudo-nitzschia seriata var. fraudulenta]
                                             Pseudo-nitzschia fryxelliana
                                             Pseudo-nitzschia fukuyoi
                                             Pseudo-nitzschia galaxiae
                                             Pseudo-nitzschia granii
                                                   [Nitzschia granii]
                                               Pseudo-nitzschia granii var. curvata
                                                     [Nitzschia granii var. curvata]
                                             Pseudo-nitzschia hasleana
                                             Pseudo-nitzschia heimii
                                                   [Nitzschia heimii]
                                             Pseudo-nitzschia inflatula
                                                   [Nitzschia inflatula]
                                             Pseudo-nitzschia linea
                                             Pseudo-nitzschia lineola
                                                   [Nitzschia barkleyi]
                                                   [Nitzschia lineola]
                                                   [Pseudo-nitzschia barkleyi]
                                             Pseudo-nitzschia lundholmiae
                                             Pseudo-nitzschia mannii
                                             Pseudo-nitzschia micropora
                                             Pseudo-nitzschia multiseries
                                                   [Nitzschia pungens f. multiseries]
                                                   [Pseudo-nitzschia pungens f. multiseries]
                                             Pseudo-nitzschia multistriata
                                                   [Nitzschia multistriata]
                                             Pseudo-nitzschia obtusa
                                                   [Nitzschia seriata f. obtusa]
                                                   [Pseudo-nitzschia seriata f. obtusa]
                                             Pseudo-nitzschia prolongatoides
                                                   [Nitzschia prolongatoides]
                                                   [Pseudo-nitzschia prolongata]
                                             Pseudo-nitzschia pseudodelicatissima
                                                   [Nitzschia delicatula]
                                                   [Nitzschia pseudodelicatissima]
                                             Pseudo-nitzschia pungens
                                               Pseudo-nitzschia pungens var. aveirensis
                                               Pseudo-nitzschia pungens var. cingulata
                                             Pseudo-nitzschia pungiformis
                                                   [Nitzschia pungiformis]
                                             Pseudo-nitzschia roundii
                                             Pseudo-nitzschia seriata
                                                   [Nitzschia seriata]
                                             Pseudo-nitzschia sinica
                                             Pseudo-nitzschia subcurvata
                                                   [Nitzschia subcurvata]
                                             Pseudo-nitzschia subfraudulenta
                                                   [Nitzschia subfraudulenta]
                                             Pseudo-nitzschia subpacifica
                                                   [Nitzschia subpacifica]
                                             Pseudo-nitzschia turgidula
                                                   [Nitzschia turgidula]
                                             Pseudo-nitzschia turgiduloides
                                                   [Nitzschia turgiduloides]
                                                   [Pseudo-nitzschia barkleyi var. obtusa]
                                     Sigmatella
                                             Sigmatella nitzschii
                                     Simonsenia
                                             Simonsenia delognei
                                                   [Nitzschia atomus]
                                               Simonsenia delognei subsp. rossii
                                     Tryblionella
                                             Tryblionella acuminata
                                               Tryblionella acuminata var. subconstricta
                                             Tryblionella acuta
                                                   [Homoeocladia acuta]
                                                   [Synedra acula]
                                                   [Synedra acus var. acula]
                                             Tryblionella adducta
                                                   [Nitzschia adducta]
                                             Tryblionella aerophila
                                                   [Nitzschia aerophila]
                                             Tryblionella angustata
                                                   [Homoeocladia angustata]
                                               Tryblionella angustata var. acuminata
                                             Tryblionella antiqua
                                             Tryblionella apiculata
                                                   [Homoeocladia apiculata]
                                                   [Nitzschia dubia var. constricta]
                                                   [Synedra constricta]
                                             Tryblionella ardua
                                                   [Nitzschia ardua]
                                             Tryblionella balatonis
                                                   [Nitzschia balatonis]
                                             Tryblionella bathurstensis
                                                   [Nitzschia bathurstensis]
                                             Tryblionella bicuneata
                                                   [Nitzschia bicuneata]
                                             Tryblionella brightwellii
                                                   [Nitzschia brightwellii]
                                             Tryblionella calida
                                             Tryblionella campechiana
                                                   [Nitzschia campechiana]
                                             Tryblionella chutteri
                                                   [Nitzschia chutteri]
                                               Tryblionella chutteri var. aestuarii
                                             Tryblionella circumsuta
                                                   [Baileya circumsuta]
                                                   [Nitzschia circumsuta]
                                                   [Surirella circumsuta]
                                             Tryblionella coarctata
                                                   [Nitzschia coarctata]
                                             Tryblionella cocconeiformis
                                                   [Nitzschia cocconeiformis]
                                             Tryblionella compressa
                                                   [Dinopyxis compressa]
                                                   [Homoeocladia punctata]
                                                   [Prorocentrum compressum]
                                                   [Pyxidicula compressa]
                                             Tryblionella conformata
                                                   [Nitzschia conformata]
                                             Tryblionella conspicua
                                             Tryblionella contracta
                                             Tryblionella cruciata
                                             Tryblionella davidsonii
                                                   [Nitzschia davidsonii]
                                             Tryblionella debilis
                                                   [Homoeocladia debilis]
                                                   [Nitzschia debilis]
                                                   [Nitzschia tryblionella var. debilis]
                                               Tryblionella debilis var. crassa
                                               Tryblionella debilis var. sinensis
                                               Tryblionella debilis var. validior
                                             Tryblionella didyma
                                                   [Nitzschia didyma]
                                             Tryblionella divergens
                                                   [Nitzschia divergens]
                                             Tryblionella gracilis
                                               Tryblionella gracilis var. subsalina
                                                     [Nitzschia tryblionella var. subsalina]
                                                     [Tryblionella subsalina]
                                               Tryblionella gracilis var. yarrensis
                                             Tryblionella graeffii
                                                   [Nitzschia graeffii]
                                             Tryblionella granulata
                                                   [Nitzschia granulata]
                                               Tryblionella granulata var. hyalina
                                             Tryblionella halteriformis
                                                   [Nitzschia halteriformis]
                                             Tryblionella hantzschiana
                                                   Tryblionella hantzschiana f. sinensis
                                               Tryblionella hantzschiana var. angustata
                                             Tryblionella hungarica
                                                   [Homoeocladia hungarica]
                                               Tryblionella hungarica var. linearis
                                                     [Nitzschia hungarica var. linearis]
                                             Tryblionella jelineckii
                                                   [Nitzschia jelineckii]
                                             Tryblionella lanceola
                                             Tryblionella lata
                                             Tryblionella levidensis
                                                   [Denticula levidensis]
                                                   [Nitzschia tryblionella var. levidensis]
                                                   [Tryblionella hantzschiana var. levidensis]
                                                   [Tryblionella tryblionella var. levidensis]
                                             Tryblionella limicola
                                                   [Nitzschia limicola]
                                             Tryblionella littoralis
                                                   [Homoeocladia litoralis]
                                                   [Nitzschia tryblionella var. littoralis]
                                                   [Tryblionella hantzschiana var. littoralis]
                                                   [Tryblionella tryblionella var. littoralis]
                                             Tryblionella magnacarina
                                                   [Nitzschia magnacarina]
                                             Tryblionella marginulata
                                                   Tryblionella marginulata f. minuta
                                               Tryblionella marginulata var. didyma
                                               Tryblionella marginulata var. subconstricta
                                             Tryblionella maxima
                                             Tryblionella navicularis
                                                   [Homoeocladia navicularis]
                                                   [Nitzschia navicularis]
                                                   [Surirella navicularis]
                                             Tryblionella neptuni
                                             Tryblionella nicobarica
                                                   [Nitzschia panduriformis var. nicobarica]
                                             Tryblionella obscurepunctata
                                                   [Nitzschia obscurepunctata]
                                             Tryblionella ovata
                                             Tryblionella partita
                                                   [Nitzschia partita]
                                             Tryblionella parvula
                                             Tryblionella peisonis
                                             Tryblionella perversa
                                                   [Nitzschia perversa]
                                             Tryblionella plana
                                             Tryblionella plicatula
                                                   [Nitzschia plicatula]
                                             Tryblionella ponciensis
                                                   [Nitzschia ponciensis]
                                             Tryblionella princeps
                                                   [Nitzschia princeps]
                                             Tryblionella pseudohungarica
                                                   [Nitzschia pseudohungarica]
                                             Tryblionella punctata
                                                   Tryblionella punctata f. abbreviata
                                                   Tryblionella punctata f. paucistriata
                                               Tryblionella punctata var. acuminata
                                               Tryblionella punctata var. coarcta
                                               Tryblionella punctata var. curta
                                               Tryblionella punctata var. elongata
                                               Tryblionella punctata var. protracta
                                             Tryblionella rabenhorstii
                                                   [Nitzschia rabenhorstii]
                                             Tryblionella rustica
                                             Tryblionella salinarum
                                             Tryblionella salvadoriana
                                                   [Nitzschia salvadoriana]
                                             Tryblionella scalaris
                                                   [Homoeocladia scalaris]
                                                   [Nitzschia scalaris]
                                                   [Synedra scalaris]
                                             Tryblionella scutellum
                                             Tryblionella sibula
                                                   [Nitzschia sibula]
                                             Tryblionella sulcata
                                                   [Nitzschia sulcata]
                                             Tryblionella tiltilensis
                                             Tryblionella tryblionella
                                                   Tryblionella tryblionella f. hankensis
                                             Tryblionella umbilicata
                                                   [Nitzschia umbilicata]
                                             Tryblionella victoriae
                                                   [Nitzschia levidensis var. victoriae]
                                                   [Nitzschia spectabilis var. victoriae]
                                                   [Nitzschia tryblionella var. victoriae]
                                                   [Nitzschia victoriae]
                                                   [Tryblionella hantzschiana var. victoriae]
                                                   [Tryblionella tryblionella var. victoriae]
                                             Tryblionella visurgis
                                                   [Nitzschia visurgis]
                                             Tryblionella zebuana
                                                   [Nitzschia zebuana]

Problematic Rooting (194240)
                                                   Nitzschia curvula f. parva