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  Chromista
      Heterokontophyta
            Fragilariophyceae
                    Fragilariales
                            Fragilariaceae
                                     Adoneis
                                             Adoneis miocenica
                                             Adoneis pacifica
                                     Andrewsiella
                                             Andrewsiella fossilis
                                                   [Dimeregramma fossile]
                                     Asterionella
                                             Asterionella africana
                                             Asterionella antiqua
                                             Asterionella bleakeleyi
                                                   [Asterionella formosa var. bleakeleyi]
                                             Asterionella candelabrum
                                                   Asterionella candelabrum f. baculata
                                             Asterionella cleveana
                                             Asterionella contorta
                                             Asterionella formosa
                                                   [Asterionella gracillima var. formosa]
                                                   Asterionella formosa f. brevis
                                               Asterionella formosa var. acaroides
                                               Asterionella formosa var. formosa
                                               Asterionella formosa var. gracillima
                                               Asterionella formosa var. inflata
                                               Asterionella formosa var. subtilis
                                                     [Asterionella gracillima var. subtilis]
                                               Asterionella formosa var. subtilissima
                                                     [Asterionella subtilissima]
                                               Asterionella formosa var. tatrica
                                             Asterionella gracillima
                                                   Asterionella gracillima f. tabellarioides
                                               Asterionella gracillima var. biformis
                                               Asterionella gracillima var. genuina
                                               Asterionella gracillima var. maxima
                                             Asterionella inflata
                                             Asterionella japonica
                                                   Asterionella japonica f. spiroides
                                             Asterionella madagascariensis
                                                   Asterionella madagascariensis f. ossoeiformis
                                               Asterionella madagascariensis var. minor
                                               Asterionella madagascariensis var. tibiaeformis
                                               Asterionella madagascariensis var. tibiiformis
                                             Asterionella mediterranea
                                             Asterionella notata
                                             Asterionella ralfsii
                                                   [Asterionella formosa var. ralfsii]
                                                   [Asterionella gracillima var. ralfsii]
                                               Asterionella ralfsii var. americana
                                               Asterionella ralfsii var. hustedtiana
                                             Asterionella synedraeformis
                                             Asterionella synedriformis
                                             Asterionella thomassonii
                                             Asterionella zasuminensis
                                                   [Eunotia ossa]
                                     Asterionellopsis
                                             Asterionellopsis glacialis
                                                   [Asterionella glacialis]
                                             Asterionellopsis socialis
                                                   [Asterionella socialis]
                                     Asteroplanus
                                             Asteroplanus karianus
                                                   [Asterionella kariana]
                                                   [Asterionellopsis kariana]
                                     Bleakeleya
                                             Bleakeleya notata
                                                   [Asterionella bleakeleyi var. notata]
                                     Brandinia
                                             Brandinia mosimanniae
                                     Brassierea
                                             Brassierea vivens
                                     Catacombas
                                             Catacombas obtusa
                                     Centronella
                                             Centronella rostafinskii
                                     Ctenophora
                                             Ctenophora pulchella
                                                   [Synedra pulchella var. abnormis]
                                               Ctenophora pulchella var. lacerata
                                                     [Synedra pulchella f. lacerata]
                                                     [Synedra pulchella var. lacerata]
                                               Ctenophora pulchella var. lanceolata
                                                     [Ctenophora pulchella var. lanceolada]
                                                     [Fragilaria pulchella var. lanceolata]
                                                     [Synedra pulchella var. lanceolata]
                                     Diatoma
                                             Diatoma anceps
                                                   [Diatoma hiemale (hyemale) var. anceps]
                                                   [Fragilaria anceps]
                                                   [Meridion anceps]
                                                   Diatoma anceps f. constricta
                                               Diatoma anceps var. anomala
                                               Diatoma anceps var. capitata
                                               Diatoma anceps var. constricta
                                               Diatoma anceps var. fossilis
                                               Diatoma anceps var. linearis
                                               Diatoma anceps var. longissima
                                             Diatoma angusticostata
                                             Diatoma anomala
                                               Diatoma anomala var. curta
                                               Diatoma anomala var. longissima
                                             Diatoma biddulphiana
                                             Diatoma boulei
                                                   Diatoma boulei f. fossilis
                                                   Diatoma boulei f. mesodon
                                               Diatoma boulei var. mesodon
                                             Diatoma brachygona
                                             Diatoma capitata
                                             Diatoma coelata
                                             Diatoma constricta
                                             Diatoma costata
                                               Diatoma costata var. curta
                                             Diatoma cuneata
                                             Diatoma danica
                                             Diatoma densicostata
                                             Diatoma dissiliens
                                             Diatoma ehrenbergii
                                                   Diatoma ehrenbergii f. capitulata
                                                         [Diatoma vulgaris f. capitulata]
                                                         [Diatoma vulgaris var. capitulata]
                                                   Diatoma ehrenbergii f. intermedia
                                             Diatoma elongata
                                                   Diatoma elongata f. biceps
                                                   Diatoma elongata f. curta
                                                   Diatoma elongata f. lata
                                               Diatoma elongata var. abbreviata
                                               Diatoma elongata var. actinastroides
                                               Diatoma elongata var. chappuisi
                                               Diatoma elongata var. ehrenbergii
                                               Diatoma elongata var. fuegensis
                                               Diatoma elongata var. hybrida
                                               Diatoma elongata var. inflata
                                               Diatoma elongata var. minor
                                               Diatoma elongata var. minuta
                                               Diatoma elongata var. subsalsa
                                             Diatoma eulensteinii
                                             Diatoma exigua
                                             Diatoma fasciata
                                             Diatoma fasciculata
                                             Diatoma fenestrata
                                               Diatoma fenestrata var. flocculosa
                                             Diatoma flabellulata
                                             Diatoma flocculosa
                                             Diatoma fossilis
                                             Diatoma germainii
                                             Diatoma gracillima
                                             Diatoma grandis
                                               Diatoma grandis var. asymmetrica
                                               Diatoma grandis var. clavigera
                                             Diatoma hiemale
                                             Diatoma hiemale (hyemale)
                                             Diatoma hiemalis
                                                   [Fragilaria hiemalis]
                                                   [Odontidium hyemale]
                                                   [Temachium hiemale]
                                               Diatoma hiemalis var. acuta
                                               Diatoma hiemalis var. hyemale
                                               Diatoma hiemalis var. quadratum
                                             Diatoma hyalina
                                                   Diatoma hyalina f. minima
                                                   Diatoma hyalina f. minor
                                             Diatoma hyemalis
                                                   Diatoma hyemalis f. linearis
                                               Diatoma hyemalis var. genuina
                                               Diatoma hyemalis var. turgidula
                                             Diatoma interstitialis
                                             Diatoma latruncularia
                                             Diatoma liber
                                             Diatoma lyngbyei
                                             Diatoma melobesicola
                                             Diatoma meneghiniana
                                             Diatoma mesodon
                                                   [Diatoma hiemale var. mesodon]
                                                   [Diatoma hiemalis f. mesodon]
                                                   [Diatoma hiemalis var. mesodon]
                                                   [Diatoma hyemalis f. mesodon]
                                                   [Diatoma vulgaris var. mesodon]
                                                   [Fragilaria mesodon]
                                               Diatoma mesodon var. cuneata
                                               Diatoma mesodon var. quadrata
                                             Diatoma mesolepta
                                             Diatoma minima
                                             Diatoma moniliforme
                                                   [Diatoma tenue var. moniliforme]
                                               Diatoma moniliforme subsp. ovale
                                             Diatoma nana
                                               Diatoma nana var. lineare
                                             Diatoma navicula
                                             Diatoma obliquata
                                             Diatoma obtusa
                                             Diatoma ochridana
                                             Diatoma oulei
                                             Diatoma ovalis
                                             Diatoma parasitica
                                             Diatoma pectinalis
                                                   Diatoma pectinalis f. constricta
                                               Diatoma pectinalis var. capitata
                                               Diatoma pectinalis var. inflata
                                               Diatoma pectinalis var. subcapitata
                                             Diatoma problematicum
                                             Diatoma ramesi
                                             Diatoma ramosa
                                             Diatoma rhombica
                                                   [Fragilariopsis rhombica]
                                             Diatoma rigida
                                             Diatoma scalaris
                                             Diatoma sera
                                             Diatoma signata
                                             Diatoma sinuata
                                             Diatoma stellaris
                                             Diatoma stipitata
                                             Diatoma striatulum
                                             Diatoma subtilis
                                             Diatoma sulphurascens
                                             Diatoma swartzii
                                             Diatoma tabellaris
                                             Diatoma taeniaeformis
                                             Diatoma tenue
                                             Diatoma tenuis
                                                   [Candollella tenuis]
                                                   [Diatoma elongata subsp. tenuis]
                                                   [Diatoma elongata var. tenue]
                                                   [Diatoma elongata var. tenuis]
                                                   [Diatoma flocculosa var. tenuis]
                                                   [Diatoma tenuis var. elongata]
                                                   [Diatoma tenuis var. elongatum]
                                               Diatoma tenuis var. densestriata
                                               Diatoma tenuis var. fragilarioides
                                               Diatoma tenuis var. hybrida
                                               Diatoma tenuis var. inflata
                                               Diatoma tenuis var. intermedia
                                               Diatoma tenuis var. mesoleptum
                                               Diatoma tenuis var. minus
                                               Diatoma tenuis var. pachycephala
                                               Diatoma tenuis var. van-heurckii
                                             Diatoma truncata
                                             Diatoma unipunctata
                                             Diatoma variabile
                                               Diatoma variabile var. moniliforme
                                             Diatoma variabilis
                                             Diatoma variegata
                                             Diatoma vexilla
                                             Diatoma vitrea
                                             Diatoma vitreum
                                             Diatoma vulgare
                                             Diatoma vulgaris
                                                   [Diatoma vulgaris f. producta]
                                                   [Diatoma vulgaris var. distorta]
                                                   [Diatoma vulgaris var. producta]
                                                   [Diatoma vulgaris var. vulgaris]
                                                   Diatoma vulgaris f. abbreviata
                                                   Diatoma vulgaris f. baicalensis
                                                   Diatoma vulgaris f. cuneata
                                                   Diatoma vulgaris f. elliptica
                                                   Diatoma vulgaris f. lineare
                                                         [Diatoma grandis var. linearis]
                                                   Diatoma vulgaris f. minor
                                                   Diatoma vulgaris f. ovata
                                                   Diatoma vulgaris f. quadrata
                                                   Diatoma vulgaris f. subsalina
                                                   Diatoma vulgaris f. tenuicolle
                                               Diatoma vulgaris var. baicalensis
                                               Diatoma vulgaris var. breve
                                                     [Diatoma vulgare f. breve]
                                                     [Diatoma vulgaris f. brevis]
                                               Diatoma vulgaris var. brevis
                                               Diatoma vulgaris var. constricta
                                               Diatoma vulgaris var. constrictum
                                               Diatoma vulgaris var. ehrenbergii
                                               Diatoma vulgaris var. genuinum
                                               Diatoma vulgaris var. grandis
                                                     [Diatoma ehrenbergii f. grandis]
                                                     [Diatoma ehrenbergii var. grande]
                                               Diatoma vulgaris var. lineare
                                               Diatoma vulgaris var. linearis
                                               Diatoma vulgaris var. lineata
                                               Diatoma vulgaris var. ovale
                                               Diatoma vulgaris var. ovalis
                                               Diatoma vulgaris var. subsalina
                                               Diatoma vulgaris var. tenuis
                                               Diatoma vulgaris var. ventricosa
                                     Distrionella
                                             Distrionella asterionelloides
                                             Distrionella germainii
                                             Distrionella incognita
                                     Falcula
                                             Falcula hyalina
                                             Falcula rogallii
                                     Fossula
                                             Fossula arctica
                                     Fragilaria
                                           [Syrinx]
                                             Fragilaria Surirella
                                             Fragilaria acerba
                                             Fragilaria acidoclinata
                                             Fragilaria aconicinnum
                                             Fragilaria acus
                                                   [Fragilaria ulna f. acus]
                                                   [Fragilaria ulna var. acus]
                                                   [Synedra affinis var. arcus]
                                                   [Synedra goulardi var. acus]
                                                   [Synedra oxyrhynchus var. acus]
                                             Fragilaria acuta
                                             Fragilaria acutiuscula
                                             Fragilaria adamsii
                                             Fragilaria aequalis
                                               Fragilaria aequalis var. capitata
                                               Fragilaria aequalis var. inaequidentata
                                               Fragilaria aequalis var. maeotica
                                               Fragilaria aequalis var. producta
                                             Fragilaria aethiopica
                                             Fragilaria africana
                                             Fragilaria alpestris
                                             Fragilaria alternata
                                             Fragilaria amicorum
                                             Fragilaria amphicephala
                                             Fragilaria amphicephaloides
                                                   [Fragilaria capucina subsp. amphicephala]
                                                   [Fragilaria capucina var. amphicephala]
                                             Fragilaria amphiceros
                                             Fragilaria amphioxys
                                             Fragilaria angusta
                                             Fragilaria angustata
                                             Fragilaria annulata
                                                   [Syrinx annulatum]
                                             Fragilaria antarctia
                                                   Fragilaria antarctia f. lata
                                             Fragilaria araulensis
                                             Fragilaria arctica
                                             Fragilaria arcuata
                                             Fragilaria arcus
                                               Fragilaria arcus var. recta
                                             Fragilaria asiatica
                                             Fragilaria aurea
                                             Fragilaria aurivilii
                                             Fragilaria australis
                                             Fragilaria austriaca
                                                   [Fragilaria capucina var. austriaca]
                                             Fragilaria bacillum
                                             Fragilaria baculus
                                             Fragilaria balatonis
                                             Fragilaria barbararum
                                             Fragilaria barbatula
                                                   [Synedra barbatula]
                                                   [Tabularia barbatula]
                                             Fragilaria bicapitata
                                               Fragilaria bicapitata var. lineolata
                                               Fragilaria bicapitata var. sigmoidea
                                             Fragilaria biceps
                                             Fragilaria bidens
                                                   Fragilaria bidens f. major
                                                   Fragilaria bidens f. minor
                                               Fragilaria bidens var. obsoleta
                                               Fragilaria bidens var. paucistriata
                                             Fragilaria bigibba
                                             Fragilaria binodis
                                               Fragilaria binodis var. obliqua
                                             Fragilaria bipunctata
                                             Fragilaria birostris
                                             Fragilaria bituminosa
                                               Fragilaria bituminosa var. curta
                                               Fragilaria bituminosa var. elongata
                                               Fragilaria bituminosa var. minor
                                               Fragilaria bituminosa var. perlonga
                                               Fragilaria bituminosa var. validior
                                             Fragilaria bivittata
                                             Fragilaria bongrainii
                                             Fragilaria braunii
                                             Fragilaria brevis
                                             Fragilaria brevistriata
                                                   [Nematoplata brevistriata]
                                                   [Staurosira brevistriata]
                                                   Fragilaria brevistriata f. australis
                                                   Fragilaria brevistriata f. curta
                                                   Fragilaria brevistriata f. elongata
                                                   Fragilaria brevistriata f. intermedia
                                               Fragilaria brevistriata var. bigibba
                                               Fragilaria brevistriata var. binodis
                                               Fragilaria brevistriata var. constricta
                                               Fragilaria brevistriata var. elliptica
                                               Fragilaria brevistriata var. fossilis
                                               Fragilaria brevistriata var. linearis
                                               Fragilaria brevistriata var. major
                                               Fragilaria brevistriata var. mormorum
                                               Fragilaria brevistriata var. mutabilis
                                               Fragilaria brevistriata var. obtusa
                                               Fragilaria brevistriata var. pusilla
                                               Fragilaria brevistriata var. subacuta
                                               Fragilaria brevistriata var. tibetica
                                               Fragilaria brevistriata var. trigibba
                                               Fragilaria brevistriata var. turgida
                                               Fragilaria brevistriata var. vidarbhensis
                                             Fragilaria bronkei
                                             Fragilaria californica
                                               Fragilaria californica var. antarctica
                                               Fragilaria californica var. intermedia
                                             Fragilaria calmelsi
                                             Fragilaria camtschatica
                                               Fragilaria camtschatica var. finnmarchica
                                             Fragilaria canariensis
                                             Fragilaria capensis
                                             Fragilaria capitellata
                                               Fragilaria capitellata var. peterseni
                                             Fragilaria capuciana
                                               Fragilaria capuciana var. courtallensis
                                             Fragilaria capucina
                                                   [Fragilaria capucina f. lanceolata]
                                                   [Fragilaria capucina var. lanceolata]
                                                   Fragilaria capucina f. sublanceolata
                                               Fragilaria capucina subsp. austriaca
                                               Fragilaria capucina subsp. rumpens
                                                     [Fragilaria capucina var. rumpens]
                                                     [Fragilaria rumpens]
                                               Fragilaria capucina var. acuminata
                                               Fragilaria capucina var. acuta
                                               Fragilaria capucina var. arctica
                                               Fragilaria capucina var. californica
                                               Fragilaria capucina var. capitellata
                                               Fragilaria capucina var. constricta
                                               Fragilaria capucina var. contracta
                                               Fragilaria capucina var. corrugata
                                               Fragilaria capucina var. delicatula
                                               Fragilaria capucina var. distans
                                               Fragilaria capucina var. genuina
                                               Fragilaria capucina var. gracilis
                                               Fragilaria capucina var. inaequidentata
                                               Fragilaria capucina var. longissima
                                               Fragilaria capucina var. major
                                               Fragilaria capucina var. mesolepta
                                                     [Fragilaria capucina f. mesolepta]
                                                     [Fragilaria mesolepta]
                                                     [Fragilaria virescens f. mesolepta]
                                                     [Fragilaria virescens var. mesolepta]
                                                     [Staurosira capucina var. mesolepta]
                                                     [Staurosira mesolepta]
                                               Fragilaria capucina var. minima
                                               Fragilaria capucina var. parva
                                               Fragilaria capucina var. perminuta
                                               Fragilaria capucina var. septentrionalis
                                               Fragilaria capucina var. sublinearis
                                               Fragilaria capucina var. subsalina
                                               Fragilaria capucina var. tenuis
                                               Fragilaria capucina var. unknown
                                               Fragilaria capucina var. vaucheriae
                                                     [Ctenophora vaucheriae]
                                                     [Fragilaria capucina var. meneghiniana]
                                                     [Fragilaria distans]
                                                     [Fragilaria intermedia var. distans]
                                                     [Fragilaria mutabilis var. intermedia]
                                                     [Fragilaria pinnata var. intermedia]
                                                     [Fragilaria rumpens var. meneghiniana]
                                                     [Fragilaria tenuicollis var. intermedia]
                                                     [Fragilaria vaucheriae var. distans]
                                                     [Fragilaria vaucheriae var. parvula]
                                                     [Staurosira intermedia]
                                                     [Synedra rumpens var. meneghiniana]
                                                     [Synedra vaucheriae var. distans]
                                                     [Synedra vaucheriae var. parvula]
                                             Fragilaria carmichaelii
                                             Fragilaria carnea
                                             Fragilaria cassubica
                                             Fragilaria castracanei
                                               Fragilaria castracanei var. asymmetrica
                                               Fragilaria castracanei var. brevior
                                               Fragilaria castracanei var. elliptica
                                             Fragilaria catena
                                             Fragilaria charcotii
                                             Fragilaria chilensis
                                             Fragilaria clevei
                                             Fragilaria coccochroma
                                             Fragilaria coccochromatica
                                               Fragilaria coccochromatica var. decephala
                                             Fragilaria confervoides
                                             Fragilaria constricta
                                                   [Fragilaria undata f. tetranodis]
                                                   [Fragilaria undata var. lobata]
                                                   Fragilaria constricta f. stricta
                                                         [Fragilaria quadrata]
                                                         [Fragilaria undata f. stricta]
                                                         [Fragilaria undata var. quadrata]
                                                         [Fragilaria virescens var. undata]
                                               Fragilaria constricta var. mammalis
                                               Fragilaria constricta var. trigona
                                               Fragilaria constricta var. trinodis
                                             Fragilaria construens
                                                   [Nematoplata construens]
                                                   [Odontidium tabellaria]
                                                   [Staurosira venter var. construens]
                                                   Fragilaria construens f. arcus
                                                   Fragilaria construens f. borealis
                                                   Fragilaria construens f. cruciata
                                                   Fragilaria construens f. gibba
                                                   Fragilaria construens f. gracilis
                                                   Fragilaria construens f. inaequilatera
                                                   Fragilaria construens f. subconstricta
                                                   Fragilaria construens f. subrotunda
                                                   Fragilaria construens f. undulata
                                               Fragilaria construens var. bigibba
                                               Fragilaria construens var. capitata
                                               Fragilaria construens var. circulare
                                               Fragilaria construens var. fossilis
                                               Fragilaria construens var. genuina
                                               Fragilaria construens var. gracillima
                                               Fragilaria construens var. indica
                                               Fragilaria construens var. javanica
                                               Fragilaria construens var. major
                                               Fragilaria construens var. meniscus
                                               Fragilaria construens var. minor
                                               Fragilaria construens var. minuta
                                               Fragilaria construens var. nipponica
                                               Fragilaria construens var. oblonga
                                               Fragilaria construens var. pusilla
                                               Fragilaria construens var. rhomboidalis
                                               Fragilaria construens var. semibinodis
                                               Fragilaria construens var. sinuata
                                               Fragilaria construens var. sublika
                                               Fragilaria construens var. trigibba
                                               Fragilaria construens var. trigona
                                               Fragilaria construens var. trinodis
                                               Fragilaria construens var. triundulata
                                             Fragilaria contracta
                                             Fragilaria corrugata
                                             Fragilaria costata
                                             Fragilaria cretae
                                             Fragilaria crotonensis
                                                   [Fragilaria crotonensis var. prolongata]
                                                   [Nematoplata crotonensis]
                                                   [Synedra crotonensis f. belgica]
                                                   Fragilaria crotonensis f. curta
                                               Fragilaria crotonensis var. contorta
                                               Fragilaria crotonensis var. media
                                               Fragilaria crotonensis var. oregona
                                               Fragilaria crotonensis var. subprolongata
                                             Fragilaria curta
                                                   Fragilaria curta f. minima
                                             Fragilaria curvistriata
                                             Fragilaria cylindrus
                                                   Fragilaria cylindrus f. minor
                                               Fragilaria cylindrus var. van
                                             Fragilaria delicatula
                                             Fragilaria demerarae
                                                   [Synedra demerarae]
                                             Fragilaria densestriata
                                             Fragilaria denticulata
                                             Fragilaria diatomoides
                                             Fragilaria dibolos
                                             Fragilaria diophthalma
                                             Fragilaria dorsiventralis
                                             Fragilaria dubia
                                             Fragilaria durietzi
                                             Fragilaria ehrenbergii
                                             Fragilaria eichhornii
                                             Fragilaria elliptica
                                               Fragilaria elliptica var. minor
                                             Fragilaria endocystifera
                                             Fragilaria entomon
                                             Fragilaria estherae
                                             Fragilaria eunotia
                                             Fragilaria excissa
                                             Fragilaria exigua
                                               Fragilaria exigua var. concava
                                             Fragilaria exiguissima
                                             Fragilaria exilis
                                             Fragilaria famelica
                                                   [Nitzschia famelica]
                                                   [Nitzschia palea f. famelica]
                                                   [Nitzschia palea var. famelica]
                                                   [Synedra famelica]
                                                   [Synedra minuscula]
                                               Fragilaria famelica subsp. littoralis
                                               Fragilaria famelica var. littoralis
                                             Fragilaria fasciata
                                             Fragilaria fissa
                                             Fragilaria floridana
                                             Fragilaria foliolum
                                             Fragilaria fonticola
                                                   Fragilaria fonticola f. constricta
                                               Fragilaria fonticola var. angusta
                                               Fragilaria fonticola var. chandolensis
                                               Fragilaria fonticola var. sinaica
                                               Fragilaria fonticola var. tetragona
                                             Fragilaria fossilis
                                             Fragilaria fragilarioides
                                                   [Fragilaria capucina var. fragilarioides]
                                                   [Fragilaria rumpens var. fragilarioides]
                                                   [Synedra rumpens var. fragilarioides]
                                             Fragilaria fremontii
                                             Fragilaria frustulia
                                             Fragilaria fusus
                                             Fragilaria gaillonii
                                             Fragilaria gallionella
                                             Fragilaria gedanensis
                                             Fragilaria germainii
                                                   Fragilaria germainii f. acostata
                                             Fragilaria germanii
                                               Fragilaria germanii var. acostata
                                             Fragilaria gessneri
                                             Fragilaria gibba
                                             Fragilaria gieskesii
                                             Fragilaria gigantea
                                             Fragilaria glabra
                                             Fragilaria glacialis
                                             Fragilaria glans
                                             Fragilaria glebula
                                             Fragilaria gnathastoma
                                             Fragilaria goulardii
                                                   [Fragilaria ulna var. goulardii]
                                                   [Synedra goulardii]
                                             Fragilaria gracilis
                                             Fragilaria gracillicima
                                             Fragilaria gracillima
                                             Fragilaria grandis
                                             Fragilaria granulata
                                             Fragilaria groenlandica
                                             Fragilaria gustavei
                                             Fragilaria hantzschiana
                                             Fragilaria harrisonii
                                                   Fragilaria harrisonii f. mediocris
                                                   Fragilaria harrisonii f. minima
                                                   Fragilaria harrisonii f. minor
                                               Fragilaria harrisonii var. genuina
                                               Fragilaria harrisonii var. major
                                               Fragilaria harrisonii var. triangularis
                                               Fragilaria harrisonii var. trigona
                                             Fragilaria harrissoni
                                               Fragilaria harrissoni var. amphitetras
                                               Fragilaria harrissoni var. sinuata
                                             Fragilaria harrissonii
                                               Fragilaria harrissonii var. amphitetras
                                               Fragilaria harrissonii var. dubia
                                               Fragilaria harrissonii var. trigona
                                             Fragilaria heideni
                                               Fragilaria heideni var. istvanffyi
                                             Fragilaria heidenii
                                               Fragilaria heidenii var. abbreviata
                                             Fragilaria henryi
                                             Fragilaria himalayae
                                             Fragilaria hinganensis
                                               Fragilaria hinganensis var. longissima
                                             Fragilaria hirosakiensis
                                               Fragilaria hirosakiensis var. minor
                                             Fragilaria hoelii
                                             Fragilaria hungarica
                                               Fragilaria hungarica var. tumida
                                             Fragilaria husvikensis
                                             Fragilaria hyalina
                                               Fragilaria hyalina var. major
                                               Fragilaria hyalina var. minor
                                             Fragilaria improbula
                                             Fragilaria incisa
                                                   [Synedra incisa]
                                             Fragilaria incognita
                                             Fragilaria indigena
                                             Fragilaria inflata
                                               Fragilaria inflata var. istvanffyi
                                               Fragilaria inflata var. rhombica
                                               Fragilaria inflata var. sublinearis
                                             Fragilaria inflatissima
                                             Fragilaria inflexa
                                             Fragilaria intermedia
                                                   Fragilaria intermedia f. chandrapurensis
                                                   Fragilaria intermedia f. continua
                                                   Fragilaria intermedia f. deformis
                                               Fragilaria intermedia var. continua
                                               Fragilaria intermedia var. karelica
                                               Fragilaria intermedia var. lanceolata
                                               Fragilaria intermedia var. littoralis
                                               Fragilaria intermedia var. rhomoides
                                               Fragilaria intermedia var. robusta
                                               Fragilaria intermedia var. semisinuata
                                             Fragilaria intermiedia
                                               Fragilaria intermiedia var. fallax
                                             Fragilaria interstincta
                                             Fragilaria ischaboensis
                                             Fragilaria islandica
                                               Fragilaria islandica var. adeliae
                                               Fragilaria islandica var. angusta
                                               Fragilaria islandica var. fossilis
                                               Fragilaria islandica var. hyperborea
                                               Fragilaria islandica var. litoralis
                                               Fragilaria islandica var. producta
                                               Fragilaria islandica var. stricta
                                             Fragilaria istv?nffyi
                                             Fragilaria istvanffyi
                                               Fragilaria istvanffyi var. tenuirostris
                                             Fragilaria japonica
                                             Fragilaria javanica
                                             Fragilaria juergensii
                                             Fragilaria karelica
                                               Fragilaria karelica var. brevis
                                             Fragilaria kerguelensis
                                               Fragilaria kerguelensis var. asymmetrica
                                               Fragilaria kerguelensis var. brevior
                                             Fragilaria kizakensis
                                             Fragilaria kochii
                                             Fragilaria kriegeriana
                                             Fragilaria labei
                                             Fragilaria lacus-baicali
                                             Fragilaria lacus-baikalensis
                                             Fragilaria laevigata
                                             Fragilaria laevis
                                             Fragilaria laevissima
                                               Fragilaria laevissima var. circumnodosa
                                               Fragilaria laevissima var. undulata
                                             Fragilaria lamella
                                             Fragilaria lancettula
                                                   Fragilaria lancettula f. minor
                                             Fragilaria lapponica
                                               Fragilaria lapponica var. capitata
                                               Fragilaria lapponica var. curvata
                                               Fragilaria lapponica var. gigantea
                                               Fragilaria lapponica var. lanceolata
                                               Fragilaria lapponica var. minuta
                                               Fragilaria lapponica var. rostrata
                                               Fragilaria lapponica var. tetragonalis
                                             Fragilaria lata
                                             Fragilaria latruncularia
                                             Fragilaria legumen
                                             Fragilaria lenoblei
                                                   Fragilaria lenoblei f. lanceolata
                                                   Fragilaria lenoblei f. trigona
                                             Fragilaria lenzii
                                             Fragilaria leptarthra
                                             Fragilaria leptocephala
                                             Fragilaria leptoceros
                                             Fragilaria leptostauron
                                               Fragilaria leptostauron var. amphitetras
                                               Fragilaria leptostauron var. fossilis
                                               Fragilaria leptostauron var. stauroneiformis
                                               Fragilaria leptostauron var. triangula
                                               Fragilaria leptostauron var. trigona
                                             Fragilaria linearis
                                               Fragilaria linearis var. intermedia
                                             Fragilaria lineata
                                             Fragilaria litoralis
                                             Fragilaria locuae
                                             Fragilaria longiceps
                                                   [Synedra capitata var. longiceps]
                                                   [Synedra longiceps]
                                             Fragilaria longirostris
                                             Fragilaria longissima
                                             Fragilaria luteolus
                                             Fragilaria maeotica
                                             Fragilaria magocsyi
                                             Fragilaria margarethae
                                             Fragilaria maxima
                                             Fragilaria mazamaensis
                                                   [Synedra mazamaensis]
                                             Fragilaria mecsekia
                                                   Fragilaria mecsekia f. minuta
                                             Fragilaria mesogongyla
                                             Fragilaria mesotyla
                                             Fragilaria micra
                                             Fragilaria microcephala
                                             Fragilaria microrhombus
                                             Fragilaria minima
                                             Fragilaria miniscula
                                             Fragilaria minuscula
                                             Fragilaria miocenica
                                               Fragilaria miocenica var. chankensis
                                               Fragilaria miocenica var. tetranodis
                                             Fragilaria moissacensis
                                             Fragilaria mollis
                                             Fragilaria montana
                                             Fragilaria mormonorum
                                             Fragilaria multipunctata
                                             Fragilaria mutabilis
                                               Fragilaria mutabilis var. baicalensis
                                               Fragilaria mutabilis var. bullata
                                               Fragilaria mutabilis var. diatomacea
                                               Fragilaria mutabilis var. genuina
                                               Fragilaria mutabilis var. inflata
                                               Fragilaria mutabilis var. intercedens
                                                     [Odontidium mutabile]
                                               Fragilaria mutabilis var. lanceolata
                                               Fragilaria mutabilis var. minutissima
                                               Fragilaria mutabilis var. robusta
                                               Fragilaria mutabilis var. subsolitaris
                                               Fragilaria mutabilis var. trinodis
                                             Fragilaria nanana
                                             Fragilaria nankoorensis
                                             Fragilaria nanoides
                                             Fragilaria neogena
                                             Fragilaria nevadensis
                                             Fragilaria newberryi
                                             Fragilaria nitida
                                               Fragilaria nitida var. delicatula
                                               Fragilaria nitida var. minor
                                             Fragilaria nitidia
                                               Fragilaria nitidia var. curta
                                             Fragilaria nitzschioides
                                                   [Nematoplata nitzschioides]
                                               Fragilaria nitzschioides var. brasiliensis
                                               Fragilaria nitzschioides var. kamczatica
                                             Fragilaria nodosa
                                             Fragilaria nodulosa
                                             Fragilaria northumbrica
                                             Fragilaria nummuloides
                                             Fragilaria nyansae
                                                   [Synedra nyansae]
                                             Fragilaria oamaruensis
                                             Fragilaria oblonga
                                             Fragilaria oblongata
                                             Fragilaria oceanica
                                                   Fragilaria oceanica f. circularis
                                                   Fragilaria oceanica f. convoluta
                                                   Fragilaria oceanica f. torta
                                               Fragilaria oceanica var. acuta
                                               Fragilaria oceanica var. japonica
                                             Fragilaria oldenburgioides
                                             Fragilaria opacolineata
                                             Fragilaria oxyrhombus
                                             Fragilaria pantocsekii
                                               Fragilaria pantocsekii var. binodis
                                             Fragilaria paradoxa
                                             Fragilaria parasitica
                                                   Fragilaria parasitica f. constricta
                                                   Fragilaria parasitica f. genuina
                                                   Fragilaria parasitica f. rhomboidalis
                                               Fragilaria parasitica var. asterionelloides
                                               Fragilaria parasitica var. genuina
                                               Fragilaria parasitica var. rhombica
                                               Fragilaria parasitica var. rhomboidalis
                                               Fragilaria parasitica var. subconstricta
                                                     [Fragilaria parasitica var. constricta]
                                                     [Synedra parasitica f. subconstricta]
                                               Fragilaria parasitica var. trigona
                                             Fragilaria parva
                                                   [Synedra familiaris f. parva]
                                             Fragilaria patagonica
                                               Fragilaria patagonica var. rostrata
                                             Fragilaria pectinalis
                                                   [Conferva pectinalis]
                                             Fragilaria pectinata
                                             Fragilaria pediculata
                                             Fragilaria pelagica
                                             Fragilaria pellucida
                                             Fragilaria pelta
                                             Fragilaria pennsylvanica
                                             Fragilaria peragalli
                                             Fragilaria peragalloi
                                             Fragilaria perminuta
                                             Fragilaria pinnata
                                                   Fragilaria pinnata f. brevistriata
                                                   Fragilaria pinnata f. minuta
                                                   Fragilaria pinnata f. opephoroides
                                                   Fragilaria pinnata f. subcapitata
                                                   Fragilaria pinnata f. sublitoralis
                                               Fragilaria pinnata subsp. clevei
                                               Fragilaria pinnata subsp. elliptica
                                               Fragilaria pinnata var. acuminata
                                               Fragilaria pinnata var. baicalensis
                                               Fragilaria pinnata var. baikalensis
                                               Fragilaria pinnata var. capitata
                                               Fragilaria pinnata var. inflata
                                               Fragilaria pinnata var. minutissima
                                               Fragilaria pinnata var. parallela
                                               Fragilaria pinnata var. perlonga
                                               Fragilaria pinnata var. robusta
                                               Fragilaria pinnata var. subrotunda
                                               Fragilaria pinnata var. subsolitaris
                                               Fragilaria pinnata var. tetragona
                                               Fragilaria pinnata var. trigona
                                             Fragilaria pinnatoides
                                             Fragilaria pinnulata
                                             Fragilaria planctonica
                                             Fragilaria pliocena
                                                   Fragilaria pliocena f. curvata
                                               Fragilaria pliocena var. acutaforma
                                               Fragilaria pliocena var. europaea
                                             Fragilaria polyedra
                                             Fragilaria pomerooni
                                             Fragilaria prae-chankensis
                                             Fragilaria praeleptostauron
                                                   Fragilaria praeleptostauron f. rockefellerii
                                             Fragilaria producta
                                               Fragilaria producta var. acuta
                                               Fragilaria producta var. bohemica
                                             Fragilaria pseudoatomus
                                             Fragilaria pseudoconstruens
                                             Fragilaria pseudocylindrus
                                             Fragilaria pseudogaillonii
                                             Fragilaria pseudolaevissima
                                             Fragilaria pseudolanceolata
                                             Fragilaria pteridium
                                             Fragilaria pulchella
                                               Fragilaria pulchella var. constricta
                                               Fragilaria pulchella var. macrocephala
                                             Fragilaria punctata
                                             Fragilaria punctato-striata
                                             Fragilaria punctiformis
                                             Fragilaria pusilla
                                             Fragilaria quebecensis
                                             Fragilaria radians
                                                   [Fragilaria capucina var. radians]
                                                   [Synedra acus f. radians]
                                                   [Synedra acus subsp. radians]
                                                   [Synedra acus var. radians]
                                                   [Synedra splendens var. radians]
                                             Fragilaria recapitellata
                                                   [Fragilaria intermedia var. capitellata]
                                                   [Fragilaria vaucheriae var. capitellata]
                                                   [Synedra capitellata]
                                             Fragilaria reicheltii
                                                   [Centronella reicheltii]
                                             Fragilaria rhabdosoma
                                             Fragilaria rhodana
                                             Fragilaria rhombica
                                                   Fragilaria rhombica f. minima
                                             Fragilaria rhomboides
                                             Fragilaria rhombus
                                             Fragilaria riesgoviensis
                                             Fragilaria robusta
                                             Fragilaria rolandschmidtii
                                             Fragilaria rostrata
                                             Fragilaria rotundata
                                             Fragilaria rotundissima
                                             Fragilaria salina
                                             Fragilaria santaremensis
                                             Fragilaria scalaris
                                             Fragilaria schulzi
                                             Fragilaria schulzii
                                             Fragilaria schwartziana
                                             Fragilaria seminuda
                                             Fragilaria seminulum
                                             Fragilaria semseyana
                                             Fragilaria sepes
                                             Fragilaria sepulta
                                             Fragilaria siamensis
                                             Fragilaria silendum
                                             Fragilaria similis
                                             Fragilaria sinuata
                                             Fragilaria siolii
                                             Fragilaria skvorzowii
                                             Fragilaria smithiana
                                             Fragilaria socia
                                                   [Synedra socia]
                                             Fragilaria somalica
                                             Fragilaria sopotensis
                                             Fragilaria spicula
                                             Fragilaria spinarum
                                             Fragilaria spinulifera
                                             Fragilaria spinulosa
                                             Fragilaria stauroneidea
                                             Fragilaria straitula
                                             Fragilaria strangulata
                                                   Fragilaria strangulata f. constricta
                                                   Fragilaria strangulata f. inflata
                                             Fragilaria striata
                                             Fragilaria striatula
                                             Fragilaria striolata
                                             Fragilaria stylidium
                                             Fragilaria stylus
                                             Fragilaria subcapitata
                                             Fragilaria subconstricta
                                             Fragilaria sublika
                                             Fragilaria sublinearis
                                                   Fragilaria sublinearis f. lata
                                                   Fragilaria sublinearis f. longa
                                             Fragilaria sublineata
                                             Fragilaria submicroscopica
                                             Fragilaria suboldenburgiana
                                             Fragilaria sundaysensis
                                             Fragilaria swartzii
                                             Fragilaria synedra
                                             Fragilaria synegrotesca
                                             Fragilaria syriaca
                                             Fragilaria tabulata
                                               Fragilaria tabulata var. australis
                                               Fragilaria tabulata var. obtusa
                                               Fragilaria tabulata var. parva
                                               Fragilaria tabulata var. tenuistriata
                                               Fragilaria tabulata var. truncata
                                                     [Echinella fasciculata var. truncata]
                                                     [Synedra fasciculata var. truncata]
                                             Fragilaria tabulatoides
                                             Fragilaria taenia
                                             Fragilaria taeniaeformis
                                             Fragilaria taiaensis
                                             Fragilaria telum
                                             Fragilaria tenera
                                             Fragilaria tenerrima
                                             Fragilaria tenuicollis
                                             Fragilaria tenuis
                                             Fragilaria tenuistriata
                                             Fragilaria tessella
                                             Fragilaria thermalis
                                             Fragilaria toxoneides
                                             Fragilaria trachea
                                             Fragilaria transylvanica
                                             Fragilaria triangulata
                                             Fragilaria trigibba
                                             Fragilaria trinodis
                                             Fragilaria triundulata
                                             Fragilaria turgens
                                             Fragilaria turgidula
                                             Fragilaria ulna
                                                   Fragilaria ulna f. mediocontractata
                                               Fragilaria ulna var. amphirhynchus
                                               Fragilaria ulna var. amphyrhynchus
                                               Fragilaria ulna var. danica
                                               Fragilaria ulna var. oxyhynchus
                                               Fragilaria ulna var. ungeriana
                                             Fragilaria ulnus
                                               Fragilaria ulnus var. ramesi
                                                     [Synedra ramesi]
                                                     [Synedra ulna var. ramesi]
                                             Fragilaria undata
                                                   Fragilaria undata f. panduraeformis
                                               Fragilaria undata var. brasiliensis
                                               Fragilaria undata var. panduraeformis
                                             Fragilaria undulata
                                             Fragilaria utermoehlii
                                                   [Synedra utermoehlii]
                                             Fragilaria van
                                             Fragilaria van-heurckii
                                               Fragilaria van-heurckii var. distans
                                             Fragilaria vaucheriae
                                               Fragilaria vaucheriae var. elliptica
                                               Fragilaria vaucheriae var. kamtchatica
                                               Fragilaria vaucheriae var. longissima
                                               Fragilaria vaucheriae var. manguinii
                                               Fragilaria vaucheriae var. perminuta
                                               Fragilaria vaucheriae var. tenuis
                                               Fragilaria vaucheriae var. villereti
                                             Fragilaria venetiana
                                             Fragilaria ventralis
                                             Fragilaria ventricosa
                                             Fragilaria ventriculus
                                             Fragilaria viereckiana
                                             Fragilaria virescens
                                                   Fragilaria virescens f. angustata
                                                   Fragilaria virescens f. clavata
                                                   Fragilaria virescens f. curta
                                                   Fragilaria virescens f. elongata
                                                   Fragilaria virescens f. major
                                                   Fragilaria virescens f. nipponica
                                                   Fragilaria virescens f. parva
                                                   Fragilaria virescens f. paucicostata
                                                   Fragilaria virescens f. sphaerophora
                                               Fragilaria virescens var. acicularis
                                               Fragilaria virescens var. acuta
                                               Fragilaria virescens var. balatonis
                                               Fragilaria virescens var. diophthalma
                                               Fragilaria virescens var. exigua
                                               Fragilaria virescens var. fuegiana
                                               Fragilaria virescens var. genuina
                                               Fragilaria virescens var. halophila
                                               Fragilaria virescens var. lata
                                               Fragilaria virescens var. linearis
                                               Fragilaria virescens var. nipha
                                               Fragilaria virescens var. nipponica
                                               Fragilaria virescens var. obesa
                                               Fragilaria virescens var. obtusa
                                               Fragilaria virescens var. restratus
                                               Fragilaria virescens var. torus
                                               Fragilaria virescens var. turficola
                                               Fragilaria virescens var. undulata
                                               Fragilaria virescens var. ventricosa
                                             Fragilaria vitrea
                                               Fragilaria vitrea var. arcuata
                                               Fragilaria vitrea var. minima
                                             Fragilaria voeringia
                                             Fragilaria vulgaris
                                               Fragilaria vulgaris var. subundulata
                                             Fragilaria woerthensis
                                             Fragilaria zafarii
                                             Fragilaria zasuminensis
                                             Fragilaria zeilleri
                                                   Fragilaria zeilleri f. anomala
                                               Fragilaria zeilleri var. nitzschioides
                                             Fragilaria zelleri
                                               Fragilaria zelleri var. densestriata
                                             Fragilaria zellerii
                                                   Fragilaria zellerii f. anomala
                                     Fragilariforma
                                           [Neofragilaria]
                                             Fragilariforma acidobiontica
                                                   [Fragilaria acidobiontica]
                                                   [Neofragilaria acidobiontica]
                                             Fragilariforma bastowiana
                                             Fragilariforma bicapitata
                                                   [Neofragilaria bicapitata]
                                             Fragilariforma cassieae
                                             Fragilariforma constricta
                                                   [Neofragilaria constricta]
                                                   Fragilariforma constricta f. stricta
                                                   Fragilariforma constricta f. tetranodis
                                                   Fragilariforma constricta f. trinodis
                                               Fragilariforma constricta var. quadrata
                                               Fragilariforma constricta var. trinodis
                                             Fragilariforma costata
                                             Fragilariforma floridana
                                             Fragilariforma hungarica
                                               Fragilariforma hungarica var. tumida
                                             Fragilariforma javanica
                                             Fragilariforma lata
                                                   [Synedra parasitica f. lata]
                                             Fragilariforma neoproducta
                                                   [Fragilaria neoproducta]
                                             Fragilariforma nitzschioides
                                             Fragilariforma platensis
                                             Fragilariforma polygonata
                                                   [Fragilaria polygonata]
                                             Fragilariforma rakiurensis
                                             Fragilariforma strangulata
                                             Fragilariforma virescens
                                                   [Diatoma virescens]
                                                   [Fragilaria aequalis var. major]
                                                   [Fragilaria capucina var. producta]
                                                   [Fragilaria virescens f. capitata]
                                                   [Fragilaria virescens var. capitata]
                                                   [Fragilaria virescens var. elliptica]
                                                   [Fragilaria virescens var. oblongella]
                                                   [Fragilaria virescens var. producta]
                                                   [Nematoplata producta]
                                                   [Nematoplata virescens]
                                                   [Neofragilaria virescens]
                                                   [Staurosira aequalis var. producta]
                                                   [Staurosira producta]
                                               Fragilariforma virescens var. capitata
                                               Fragilariforma virescens var. elliptica
                                               Fragilariforma virescens var. exigua
                                               Fragilariforma virescens var. mesolepta
                                               Fragilariforma virescens var. oblongella
                                               Fragilariforma virescens var. subsalina
                                                     [Fragilaria subsalina]
                                                     [Fragilaria virescens subsp. subsalina]
                                                     [Fragilaria virescens var. subsalina]
                                     Frankophila
                                             Frankophila biggsii
                                             Frankophila horstii
                                             Frankophila loetschertii
                                                   [Fragilaria loetschertii]
                                             Frankophila maillardii
                                                   [Fragilaria maillardii]
                                             Frankophila similioides
                                             Frankophila wayqechae
                                     Grammonema
                                             Grammonema striatulum
                                     Hannaea
                                             Hannaea arcus
                                                   [Navicula arcus]
                                                   [Synedra gibbosa]
                                                   Hannaea arcus f. recta
                                               Hannaea arcus var. amphioxys
                                                     [Ceratoneis arcus var. amphioxys]
                                                     [Fragilaria arcus var. amphioxys]
                                               Hannaea arcus var. arcus
                                               Hannaea arcus var. linearis
                                               Hannaea arcus var. rectus
                                               Hannaea arcus var. subarcus
                                                     [Ceratoneis recta f. subarcus]
                                             Hannaea superiorensis
                                     Hyaloneis
                                             Hyaloneis hyalinum
                                     Hyalosynedra
                                             Hyalosynedra laevigata
                                     Koernerella
                                             Koernerella recticostata
                                                   [Asterionella notata var. recticostata]
                                     Martyana
                                             Martyana atomus
                                                   [Fragilaria atomus]
                                             Martyana martyi
                                                   [Fragilaria leptostauron var. martyi]
                                                   [Fragilaria martyi]
                                                   [Fragilaria mutabilis f. martyi]
                                                   [Staurosirella martyi]
                                             Martyana schulzii
                                     Meridion
                                             Meridion alansmithii
                                             Meridion circulare
                                                   [Echinella circularis]
                                                   Meridion circulare f. minor
                                                   Meridion circulare f. obliquecostata
                                               Meridion circulare var. constrictum
                                                     [Meridion circulare f. constrictum]
                                                     [Meridion constrictum]
                                               Meridion circulare var. zinckenii
                                             Meridion cordatum
                                             Meridion hohii
                                             Meridion intermedium
                                               Meridion intermedium var. constrictum
                                             Meridion lineare
                                             Meridion vernale
                                             Meridion zinckenii
                                     Neosynedra
                                             Neosynedra provincialis
                                                   [Synedra provincialis]
                                             Neosynedra tortuosa
                                                   [Synedra provincialis var. tortuosa]
                                     Opephora
                                             Opephora americana
                                             Opephora ansata
                                             Opephora burchardtiae
                                             Opephora cantalense
                                             Opephora gemmata
                                             Opephora guenter-grassii
                                                   [Fragilaria guenter-grassii]
                                             Opephora krumbeinii
                                             Opephora linearis
                                             Opephora marina
                                                   [Meridion marinum]
                                               Opephora marina var. pontica
                                             Opephora martyi
                                               Opephora martyi var. baicalensis
                                               Opephora martyi var. polymorpha
                                                     [Martyana martyi var. polymorpha]
                                                     [Opephora polymorpha]
                                             Opephora minuta
                                             Opephora mutabilis
                                                   [Opephora horstiana]
                                                   [Opephora olsenii]
                                                   [Opephora parva]
                                                   [Sceptroneis marina var. parva]
                                                   [Sceptroneis mutabilis]
                                             Opephora naevana
                                             Opephora neoelliptica
                                             Opephora pacifica
                                                   [Fragilaria pacifica]
                                             Opephora pinnata
                                             Opephora schulzii
                                             Opephora schwartzii
                                                   [Fragilaria schwartzii]
                                                   [Sceptroneis schwartzii]
                                     Perideraion
                                             Perideraion decipiens
                                             Perideraion elongatum
                                             Perideraion montgomeryi
                                     Podocystis
                                             Podocystis adriatica
                                                   [Podocystis americana]
                                                   [Surirella adriatica]
                                             Podocystis spathulata
                                     Porannulus
                                             Porannulus contentus
                                               Porannulus contentus var. circulus
                                     Psammosynedra
                                             Psammosynedra closterioides
                                     Pseudo-eunotia
                                             Pseudo-eunotia arcuata
                                             Pseudo-eunotia biceps
                                             Pseudo-eunotia depressa
                                             Pseudo-eunotia flexuosa
                                               Pseudo-eunotia flexuosa var. bicapitata
                                             Pseudo-eunotia kocheliensis
                                             Pseudo-eunotia lunaris
                                               Pseudo-eunotia lunaris var. bilunaris
                                               Pseudo-eunotia lunaris var. cuspidata
                                               Pseudo-eunotia lunaris var. falcata
                                               Pseudo-eunotia lunaris var. minor
                                             Pseudo-eunotia pachycephala
                                             Pseudo-eunotia ruziziensis
                                             Pseudo-eunotia schumannii
                                             Pseudo-eunotia wigandii
                                     Pseudostaurosira
                                             Pseudostaurosira alvareziae
                                             Pseudostaurosira americana
                                             Pseudostaurosira binodis
                                             Pseudostaurosira brevistriata
                                               Pseudostaurosira brevistriata var. binodis
                                               Pseudostaurosira brevistriata var. capitata
                                                     [Fragilaria brevistriata var. capitata]
                                               Pseudostaurosira brevistriata var. elliptica
                                               Pseudostaurosira brevistriata var. inflata
                                                     [Fragilaria brevistriata var. inflata]
                                               Pseudostaurosira brevistriata var. nipponica
                                                     [Fragilaria brevistriata var. nipponica]
                                               Pseudostaurosira brevistriata var. papillosa
                                                     [Fragilaria brevistriata var. papillosa]
                                               Pseudostaurosira brevistriata var. trigibba
                                               Pseudostaurosira brevistriata var. turgida
                                             Pseudostaurosira clavatum
                                             Pseudostaurosira decipiens
                                             Pseudostaurosira elliptica
                                                   [Fragilaria construens var. elliptica]
                                                   [Fragilaria mutabilis var. elliptica]
                                                   [Fragilaria pinnata var. elliptica]
                                                   [Pseudopodosira elliptica]
                                                   [Staurosira elliptica]
                                             Pseudostaurosira laucensis
                                                   [Staurosira laucensis]
                                               Pseudostaurosira laucensis var. vulpina
                                                     [Staurosira laucensis var. vulpina]
                                             Pseudostaurosira medliniae
                                                   [Fragilaria zeilleri var. elliptica]
                                                   [Pseudostaurosira zeilleri var. elliptica]
                                             Pseudostaurosira microstriata
                                                   [Fragilaria microstriata]
                                               Pseudostaurosira microstriata var. spinosa
                                             Pseudostaurosira naveana
                                                   [Opephora naveana]
                                             Pseudostaurosira neoelliptica
                                             Pseudostaurosira parasitica
                                                   [Nematoplata parasitica]
                                                   [Staurosira construens var. parasiticum]
                                                   [Staurosira parasitica]
                                                   [Synedrella parasitica]
                                               Pseudostaurosira parasitica var. subconstricta
                                             Pseudostaurosira perminuta
                                                   [Fragilaria neoelliptica]
                                                   [Opephora perminuta]
                                                   [Sceptroneis marina var. perminuta]
                                                   [Sceptroneis mutabilis var. minuta]
                                             Pseudostaurosira polonica
                                                   [Fragilaria polonica]
                                             Pseudostaurosira pseudoconstruens
                                             Pseudostaurosira robusta
                                                   [Fragilaria construens f. robusta]
                                             Pseudostaurosira sajamaensis
                                             Pseudostaurosira shiloi
                                             Pseudostaurosira subsalina
                                                   [Fragilaria construens f. subsalina]
                                                   [Fragilaria construens var. subsalina]
                                                   [Staurosira construens f. subsalina]
                                                   [Staurosira construens var. subsalina]
                                                   [Staurosira subsalina]
                                             Pseudostaurosira tenuis
                                             Pseudostaurosira trainorii
                                             Pseudostaurosira zeilleri
                                     Pseudostaurosiropsis
                                             Pseudostaurosiropsis connecticutensis
                                             Pseudostaurosiropsis geocollegarum
                                                   [Fragilaria geocollegarum]
                                                   Pseudostaurosiropsis geocollegarum f. triradiatum
                                     Pteroncola
                                             Pteroncola inane
                                             Pteroncola marina
                                     Punctastriata
                                             Punctastriata discoidea
                                             Punctastriata lancettula
                                             Punctastriata linearis
                                             Punctastriata mimetica
                                             Punctastriata ovalis
                                     Reimerothrix
                                             Reimerothrix floridensis
                                     Rimoneis
                                             Rimoneis inanis
                                     Sarcophagodes
                                             Sarcophagodes delicatula
                                     Stauroforma
                                             Stauroforma enermis
                                             Stauroforma exiguiformis
                                                   [Fragilaria exiguiformis]
                                             Stauroforma inermis
                                     Staurosira
                                             Staurosira acutirostrata
                                                   [Fragilaria acutirostrata]
                                             Staurosira aequalis
                                             Staurosira alpestris
                                             Staurosira altiplanensis
                                             Staurosira aventralis
                                             Staurosira borealis
                                             Staurosira capucina
                                               Staurosira capucina var. acuta
                                             Staurosira circula
                                             Staurosira construens
                                                   Staurosira construens f. venter
                                                         [Fragilaria construens var. subrotunda]
                                               Staurosira construens var. binodis
                                               Staurosira construens var. capitata
                                               Staurosira construens var. exigua
                                                     [Fragilaria construens var. exigua]
                                                     [Triceratium exiguum]
                                               Staurosira construens var. minuta
                                               Staurosira construens var. pumila
                                                     [Fragilaria construens var. pumila]
                                               Staurosira construens var. triundulata
                                             Staurosira contorta
                                             Staurosira crassa
                                                   [Fragilaria crassa]
                                             Staurosira entomon
                                             Staurosira harrisonii
                                               Staurosira harrisonii var. amphitetras
                                               Staurosira harrisonii var. fossilis
                                             Staurosira jolinae
                                             Staurosira kjotsunarum
                                             Staurosira lapponica
                                             Staurosira martyi
                                             Staurosira mercedes
                                             Staurosira microstriata
                                             Staurosira obtusa
                                                   [Fragilaria obtusa]
                                             Staurosira oldenburgiana
                                             Staurosira opacolineata
                                             Staurosira pinnata
                                               Staurosira pinnata var. trigona
                                             Staurosira proboscoidea
                                             Staurosira pseudoconstruens
                                             Staurosira punctiformis
                                             Staurosira reimeri
                                             Staurosira robusta
                                             Staurosira stevensonii
                                             Staurosira tabellaria
                                             Staurosira venter
                                                   [Fragilaria construens f. venter]
                                                   [Fragilaria construens var. venter]
                                                   [Fragilaria venter]
                                                   [Nematoplata venter]
                                                   [Staurosira construens var. venter]
                                     Staurosirella
                                             Staurosirella africana
                                             Staurosirella alpestris
                                             Staurosirella ansata
                                             Staurosirella confusa
                                             Staurosirella elegantula
                                             Staurosirella lapponica
                                                   [Fragilaria pinnata var. lapponica]
                                                   [Nematoplata lapponica]
                                                   [Staurosira brevistriata var. lapponica]
                                             Staurosirella lata
                                             Staurosirella leptostauron
                                                   [Diatoma harrisonii]
                                                   [Dimeregramma pinnatum]
                                                   [Nematoplata harrisonii]
                                                   [Rhaphoneis harrisonii]
                                                   [Staurosira construens var. pinnata]
                                               Staurosirella leptostauron var. dubia
                                                     [Fragilaria harrisonii var. dubia]
                                                     [Fragilaria leptostauron var. dubia]
                                                     [Staurosira harrisonii var. dubia]
                                                     [Staurosirella dubia]
                                               Staurosirella leptostauron var. fossilis
                                               Staurosirella leptostauron var. rhomboides
                                             Staurosirella magna
                                             Staurosirella minuta
                                             Staurosirella oldenburgiana
                                                   [Fragilaria oldenburgiana]
                                             Staurosirella ovata
                                             Staurosirella pinnata
                                                   [Fragilaria mutabilis var. lancettula]
                                                   [Fragilaria pinnata f. lancettula]
                                                   [Fragilaria pinnata var. lancettula]
                                                   [Fragilaria pinnata var. pinnata]
                                                   [Navicula lestikowii]
                                                   [Nematoplata lancettula]
                                                   [Punctastriata pinnata]
                                               Staurosirella pinnata var. intercedens
                                                     [Denticula mutabilis]
                                                     [Diatoma mutabilis]
                                                     [Dimeregramma mutabile]
                                                     [Fragilaria pinnata var. intercedens]
                                                     [Nematoplata mutabilis]
                                                     [Staurosira mutabilis var. intercedens]
                                                     [Staurosira mutabilis]
                                               Staurosirella pinnata var. lancettula
                                               Staurosirella pinnata var. trigona
                                             Staurosirella pulchella
                                             Staurosirella rhomboides
                                                   [Fragilaria harrisonii var. rhomboides]
                                                   [Fragilaria leptostauron var. rhomboides]
                                             Staurosirella spinosa
                                                   [Fragilaria spinosa]
                                             Staurosirella subcapitata
                                                   [Fragilaria pinnata var. subcapitata]
                                             Staurosirella subrobusta
                                     Synedra
                                             Synedra actinastroides
                                               Synedra actinastroides var. curvata
                                               Synedra actinastroides var. lata
                                               Synedra actinastroides var. opoliensis
                                             Synedra acus
                                               Synedra acus var. acus
                                               Synedra acus var. neogena
                                               Synedra acus var. ostenfeldii
                                               Synedra acus var. tenuissima
                                               Synedra acus var. varipunctata
                                             Synedra acuta
                                               Synedra acuta var. amphicephala
                                               Synedra acuta var. oxyrhinchus
                                             Synedra aequalis
                                             Synedra affinis
                                               Synedra affinis var. fasciculata
                                               Synedra affinis var. gracilis
                                               Synedra affinis var. obtusa
                                               Synedra affinis var. parva
                                             Synedra aggregata
                                             Synedra allorgei
                                             Synedra amphicephala
                                               Synedra amphicephala var. austriaca
                                                     [Synedra austriaca]
                                               Synedra amphicephala var. densestriata
                                               Synedra amphicephala var. fallax
                                               Synedra amphicephala var. intermedia
                                             Synedra amphirhyncha
                                             Synedra arctica
                                             Synedra arcuata
                                             Synedra arcus
                                             Synedra armoricana
                                                   [Nitzschia sigma var. armoricana]
                                             Synedra bacillaris
                                             Synedra baculus
                                             Synedra balatonis
                                             Synedra balthica
                                             Synedra biceps
                                             Synedra bilunaris
                                               Synedra bilunaris var. elongata
                                             Synedra binodis
                                             Synedra brockmannii
                                             Synedra campyla
                                             Synedra camtschatica
                                                   [Catacombas camtschatica]
                                               Synedra camtschatica var. finnmarchica
                                             Synedra capilla
                                             Synedra capitata
                                               Synedra capitata var. fossilis
                                             Synedra caroli-principis
                                             Synedra chandolensis
                                               Synedra chandolensis var. capitata
                                             Synedra chaseii
                                             Synedra closterioides
                                             Synedra commutata
                                             Synedra crotonensis
                                               Synedra crotonensis var. prolongata
                                             Synedra crystallina
                                                   [Ardissonea crystallina]
                                                   [Diatoma crystallina]
                                                   [Synedra gallionii var. crystallina]
                                               Synedra crystallina var. bacillaris
                                             Synedra cuneata
                                             Synedra cunningtonii
                                             Synedra curvata
                                             Synedra cyclopum
                                                   [Fragilaria cyclopum]
                                               Synedra cyclopum var. robustum
                                             Synedra dorsiventralis
                                                   [Synedra ulna var. dorsiventralis]
                                             Synedra falcata
                                             Synedra familiaris
                                             Synedra fasciculata
                                               Synedra fasciculata var. obtusa
                                               Synedra fasciculata var. parva
                                             Synedra filiformis
                                               Synedra filiformis var. capitata
                                               Synedra filiformis var. exilis
                                             Synedra flexuosa
                                               Synedra flexuosa var. angusta
                                             Synedra fragilaroides
                                             Synedra frauenfeldii
                                             Synedra fulgens
                                                   [Diatoma fulgens]
                                                   [Licmophora fulgens]
                                             Synedra gaillonii
                                               Synedra gaillonii var. macilenta
                                             Synedra gailonii
                                             Synedra gallionii
                                             Synedra goulardi
                                               Synedra goulardi var. fluviatilis
                                             Synedra gracilis
                                             Synedra hamata
                                             Synedra hartii
                                             Synedra homostriata
                                             Synedra inaequalis
                                               Synedra inaequalis var. jumlensis
                                             Synedra inflata
                                             Synedra joursacensis
                                             Synedra jouseana
                                             Synedra laevigata
                                               Synedra laevigata var. hyalina
                                             Synedra lanceolata
                                                   Synedra lanceolata f. curvata
                                             Synedra lata
                                             Synedra lenzii ('lenzi')
                                             Synedra limnetica
                                             Synedra lismorensis
                                             Synedra longa
                                             Synedra longissima
                                               Synedra longissima var. vulgaris
                                             Synedra lunaris
                                               Synedra lunaris var. genuina
                                             Synedra maeotica
                                             Synedra manguini
                                             Synedra miniscula
                                             Synedra minutissima
                                             Synedra montana
                                             Synedra nana
                                                   [Fragilaria nana]
                                             Synedra netronoides
                                             Synedra nitzschii
                                             Synedra ostenfeldii
                                             Synedra oxyrhyncha
                                             Synedra oxyrhynchus
                                               Synedra oxyrhynchus var. mediocontracta
                                               Synedra oxyrhynchus var. undulata
                                                     [Synedra acuta var. undulata]
                                             Synedra pachycephala
                                             Synedra parasitica
                                               Synedra parasitica var. subconstricta
                                             Synedra parva
                                             Synedra parvula
                                             Synedra pediculus
                                             Synedra perpusilla
                                             Synedra pseudogoulardii
                                             Synedra puchella
                                               Synedra puchella var. lanceolata
                                             Synedra puellaris
                                             Synedra pulchella
                                                   Synedra pulchella f. maior
                                                   Synedra pulchella f. subconstricta
                                               Synedra pulchella var. macrocephala
                                               Synedra pulchella var. minuta
                                               Synedra pulchella var. naviculacea
                                               Synedra pulchella var. smithii
                                             Synedra pulcherrima
                                             Synedra pusilla
                                             Synedra radians
                                               Synedra radians var. tenuissima
                                             Synedra recava
                                             Synedra rostrata
                                             Synedra rumpens
                                               Synedra rumpens var. constricta
                                               Synedra rumpens var. familiaris
                                                     [Fragilaria familiaris]
                                                     [Fragilaria rumpens var. familaris]
                                                     [Synedra familiaris f. major]
                                                     [Synedra pulchella var. flexella]
                                               Synedra rumpens var. neogena
                                                     [Synedra familiaris var. neogena]
                                               Synedra rumpens var. rumpens
                                               Synedra rumpens var. scotia
                                               Synedra rumpens var. scotica
                                             Synedra schaarschmidtii
                                               Synedra schaarschmidtii var. alessiana
                                             Synedra schumannii
                                             Synedra serians
                                             Synedra simalongis
                                             Synedra smithii
                                             Synedra spectabilis
                                             Synedra stela
                                             Synedra subrhombica
                                             Synedra subula
                                             Synedra superba
                                             Synedra suriana
                                             Synedra tabulata
                                               Synedra tabulata var. fasciculata
                                               Synedra tabulata var. grandis
                                               Synedra tabulata var. obtusa
                                             Synedra tenera
                                               Synedra tenera var. utermoehlii
                                             Synedra tenuis
                                             Synedra tenuissima
                                                   [Frustulia tenuissima]
                                             Synedra tenuistriata
                                             Synedra tortuosa
                                             Synedra toxoneides
                                             Synedra ulna
                                                   Synedra ulna f. constricta
                                                   Synedra ulna f. mediocontracta
                                                   Synedra ulna f. pygmaea
                                                   Synedra ulna f. rostrata
                                                   Synedra ulna f. undulata
                                               Synedra ulna var. actinastroides
                                               Synedra ulna var. andina
                                               Synedra ulna var. capitata
                                               Synedra ulna var. chaseana
                                                     [Synedra chaseana]
                                               Synedra ulna var. chaseii
                                               Synedra ulna var. claviceps
                                               Synedra ulna var. clavipes
                                               Synedra ulna var. constricta
                                               Synedra ulna var. curta
                                               Synedra ulna var. delicatula
                                                     [Synedra delicatula]
                                               Synedra ulna var. impressa
                                               Synedra ulna var. notata
                                               Synedra ulna var. salina
                                                     [Synedra salina]
                                               Synedra ulna var. splendens
                                               Synedra ulna var. thalheimii
                                               Synedra ulna var. ulna
                                               Synedra ulna var. undulata
                                             Synedra utermohlii
                                             Synedra vanheurckii
                                             Synedra vaucheriae
                                               Synedra vaucheriae var. capitellata
                                               Synedra vaucheriae var. truncata
                                             Synedra vitrea
                                               Synedra vitrea var. distorta
                                             Synedra wigandii
                                     Synedrella
                                             Synedrella subconstricta
                                     Synedropsis
                                             Synedropsis cheethamii
                                             Synedropsis fragilis
                                                   [Synedra fragilis]
                                             Synedropsis hyperborea
                                                   [Synedra hyperborea var. flexuosa]
                                                   [Synedra hyperborea var. rostellata]
                                                   [Synedra hyperborea]
                                             Synedropsis hyperboreoides
                                             Synedropsis karsteteri
                                             Synedropsis laevis
                                                   [Cymatosira laevis]
                                                   [Nitzschia aciculariformis]
                                             Synedropsis lata
                                               Synedropsis lata var. angustata
                                             Synedropsis recta
                                             Synedropsis roundii
                                             Synedropsis waernii
                                     Tabularia
                                             Tabularia affinis
                                               Tabularia affinis var. acuminata
                                                     [Synedra affinis var. acuminata]
                                                     [Synedra tabulata var. acuminata]
                                             Tabularia fasciculata
                                                   [Diatoma tabulata]
                                                   [Echinella fasciculata]
                                                   [Fragilaria fasciculata]
                                                   [Synedra tabulata var. affinis]
                                                   [Tabularia tabulata]
                                             Tabularia gaillonii
                                                   [Catacombas gaillonii]
                                                   [Navicula gaillonii]
                                             Tabularia grandis
                                                   [Synedra grandis]
                                             Tabularia investiens
                                                   [Fragilaria investiens]
                                                   [Synedra investiens]
                                             Tabularia ktenoeides
                                             Tabularia laevis
                                             Tabularia parva
                                             Tabularia variostriata
                                             Tabularia waernii
                                     Thalassioneis
                                             Thalassioneis signyensis
                                     Tibetiella
                                             Tibetiella pulchra
                                     Trachysphenia
                                             Trachysphenia acuminata
                                             Trachysphenia australis
                                               Trachysphenia australis var. rostellata
                                             Trachysphenia baltica
                                             Trachysphenia lanceolata
                                             Trachysphenia noweirii
                                             Trachysphenia rhombica
                                     Ulnaria
                                             Ulnaria acus
                                             Ulnaria amphirhynchus
                                                   [Echinella vitrea]
                                                   [Navicula affinis var. amphirhynchus]
                                                   [Synedra amphirhynchus]
                                                   [Synedra ulna f. amphirhynchus]
                                                   [Synedra ulna f. vitrea]
                                                   [Synedra ulna var. amphirhynchus]
                                                   [Synedra ulna var. vitrea]
                                                   [Ulnaria ulna var. amphirhynchus]
                                             Ulnaria biceps
                                                   [Ctenophora pulchella var. longissima]
                                                   [Fragilaria ulna var. biceps]
                                                   [Synedra pulchella var. longissima]
                                                   [Synedra ulna f. biceps]
                                                   [Synedra ulna var. biceps]
                                                   [Synedra ulna var. longissima]
                                             Ulnaria capitata
                                                   [Fragilaria capitata]
                                                   [Fragilaria dilatata]
                                                   [Frustulia dilatata]
                                                   [Synedra dilatata]
                                                   [Synedra ulna f. capitata]
                                             Ulnaria contracta
                                                   [Fragilaria ulna var. contracta]
                                                   [Synedra ulna var. contracta]
                                             Ulnaria danica
                                                   [Fragilaria danica]
                                                   [Synedra danica]
                                                   [Synedra ulna f. danica]
                                                   [Synedra ulna subsp. danica]
                                                   [Synedra ulna var. danica]
                                             Ulnaria delicatissima
                                                   [Fragilaria delicatissima]
                                                   [Synedra acus f. delicatissima]
                                                   [Synedra delicatissima]
                                               Ulnaria delicatissima var. angustissima
                                                     [Fragilaria delicatissima var. angustissima]
                                                     [Fragilaria ulna f. angustissima]
                                                     [Synedra acus f. angustissima]
                                                     [Synedra acus var. angustissima]
                                                     [Synedra delicatissima var. angustissima]
                                             Ulnaria lanceolata
                                                   [Fragilaria lanceolata]
                                                   [Synedra ulna var. lanceolata]
                                             Ulnaria oxyrhynchus
                                                   [Synedra acuta var. oxyrhynchus]
                                                   [Synedra ulna var. oxyrhynchus]
                                                   [Ulnaria ulna var. oxyrhynchus]
                                             Ulnaria ulna
                                                   [Bacillaria ulna]
                                                   [Frustulia ulna]
                                                   [Frustulia ulva]
                                                   [Pseudo-eunotia bicurvata]
                                                   [Synedra bicurvata]
                                                   [Synedra ulna f. bicurvata]
                                                   [Synedra ulna var. bicurvata]
                                               Ulnaria ulna var. acus
                                               Ulnaria ulna var. aequalis
                                                     [Frustulia aequalis]
                                                     [Synedra obtusa]
                                                     [Synedra ulna var. aequalis]
                                                     [Synedra ulna var. obtusa]
                                               Ulnaria ulna var. contracta
                                               Ulnaria ulna var. danica
                                               Ulnaria ulna var. notata
                                                     [Synedra notata]
                                               Ulnaria ulna var. spathulifera
                                                     [Fragilaria ulna var. spathulifera]
                                                     [Synedra spathulifera]
                                                     [Synedra ulna var. spathulifera]
                                               Ulnaria ulna var. splendens
                                                     [Frustulia splendens]
                                                     [Synedra splendens]
                                               Ulnaria ulna var. subaequalis
                                                     [Ctenophora pulchella var. subaequalis]
                                                     [Synedra pulchella var. subaequalis]
                                                     [Synedra subaequalis]
                                                     [Synedra ulna var. subaequalis]
                                             Ulnaria ungeriana
                                                   [Fragilaria ungeriana]

Problematic Rooting (186361)
                                               Fragilaria pacifica var. trigona

Problematic Rooting (4372)
                                             Ceratoneis acicularis
                                             Ceratoneis alpina
                                             Ceratoneis amphioxys
                                               Ceratoneis amphioxys var. recta
                                             Ceratoneis antiqua
                                             Ceratoneis arcus
                                                   Ceratoneis arcus f. arcuata
                                                   Ceratoneis arcus f. curta
                                                   Ceratoneis arcus f. genuina
                                                   Ceratoneis arcus f. linearis
                                                   Ceratoneis arcus f. recta
                                                   Ceratoneis arcus f. semirecta
                                                   Ceratoneis arcus f. trigibba
                                                   Ceratoneis arcus f. typica
                                                   Ceratoneis arcus f. undulata
                                               Ceratoneis arcus var. apiculata
                                               Ceratoneis arcus var. genuina
                                               Ceratoneis arcus var. hattoriana
                                               Ceratoneis arcus var. linearis
                                               Ceratoneis arcus var. lunata
                                               Ceratoneis arcus var. orientalis
                                               Ceratoneis arcus var. parallela
                                               Ceratoneis arcus var. recta
                                               Ceratoneis arcus var. vaucheriae
                                             Ceratoneis australis
                                               Ceratoneis australis var. gracilis
                                             Ceratoneis biceps
                                             Ceratoneis chilensis
                                             Ceratoneis closterium
                                                   [Cylindrotheca closterium]
                                             Ceratoneis cochlearis
                                             Ceratoneis cuspidata
                                             Ceratoneis depressa
                                             Ceratoneis flexuosa
                                             Ceratoneis fusiformis
                                             Ceratoneis iyengarii
                                             Ceratoneis jogensis
                                             Ceratoneis laminaris
                                             Ceratoneis linea
                                             Ceratoneis lunaris
                                               Ceratoneis lunaris var. cuspidata
                                               Ceratoneis lunaris var. falcata
                                               Ceratoneis lunaris var. g
                                               Ceratoneis lunaris var. minor
                                             Ceratoneis minor
                                             Ceratoneis pachycephala
                                             Ceratoneis recta
                                             Ceratoneis reniformis
                                             Ceratoneis reversa
                                             Ceratoneis rhomboides
                                             Ceratoneis signata
                                                   [Cylindrotheca signata]
                                             Ceratoneis spiralis
                                             Ceratoneis subulata
                                             Ceratoneis toxon
                                             Ceratoneis vaucheriae
                                               Ceratoneis vaucheriae var. intermedia

Problematic Rooting (6657)
                                             Neofragilaria lata
                                             Neofragilaria nicobarica
                                             Neofragilaria strangulata