154,210 species and infraspecific names are in the database, 21,059 images, 59,694 bibliographic items, 415,383 distributional records.

Taxonomy Browser

Genus: Fragilaria

Higher Taxonomy

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Rank

Name

Authority  

# Species

 

Empire

Eukaryota

Chatton  

45,005

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Kingdom

Chromista

Cavalier-Smith  

24,112

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Phylum

Bacillariophyta

Karsten  

15,199

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Subphylum

Bacillariophytina

Medlin & Kaczmarska  

13,572

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Class

Bacillariophyceae

Haeckel  

12,069

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Subclass

Fragilariophycidae

Round  

897

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Order

Fragilariales

P.C.Silva  

575

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Family

Fragilariaceae

Kützing  

427

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Genus

Fragilaria

Lyngbye  

95

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Subordinate taxa

Rank

Name

Authority  

Fossil

# Species

 

Species

acidoclinata

Lange-Bertalot & G.Hofmann  

 

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Species

aconicinnum

K.W.Estep & C.C.Remsen  

 

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Species

acus

(Kützing) Lange-Bertalot  

 

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Variety

acuta

(Ehrenberg) Rabenhorst  

 

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Species

acutirhombica

Metzeltin, Lange-Bertalot & Nergui  

 

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Species

acutiuscula

Pantocsek  

 

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Variety

africana

Gasse  

 

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Species

amphicephaloides

Lange-Bertalot  

 

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Species

annulata

(Corda) Corda  

 

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Species

aquaplus

Lange-Bertalot & S.Ulrich  

 

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Species

arctica

(Grunow) M.Poulin, L.Bérard-Therriault & A.Cardinal  

 

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Species

asterionelloides

Tuji & D.M.Williams  

 

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Species

austriaca

(Grunow) Lange-Bertalot  

 

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Species

barbararum

Witkowski, Metzeltin & Lange-Bertalot  

 

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Species

biceps

Ehrenberg  

 

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Species

bidens

Heiberg  

 

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Species

billingsii

Wengrat, Wetzel & Morales  

 

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Forma

borealis

Foged  

 

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Species

boreomongolica

Kulikovskiy, Lange-Bertalot, Witkoxski & Dorofeyuk  

 

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Variety

brevistriata

(Pantocsek) Hustedt  

 

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Variety

brevistriata

McCall  

 

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Species

brevistriata

Grunow  

 

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Species

candidagiliae

S.F.P.Almeida, C.Delgado, M.H.Novais & S.Blanco  

 

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Variety

capitata

Brébisson ex Ralfs  

 

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Variety

capucina

(Lagerstedt) Cleve  

 

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Variety

capucina

(Grunow) Lange-Bertalot  

 

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Variety

capucina

Rabenhorst  

 

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Variety

capucina

(Kützing) Hamilton & Siver  

 

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Variety

capucina

Rabenhorst  

 

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Species

capucina

Desmazières  

 

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Species

cassubica

Witkowski & Lange-Bertalot  

 

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Species

chilensis

(Krasske) Lange-Bertalot  

 

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Variety

construens

Poretzky  

 

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Variety

construens

Héribaud-Joseph  

 

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Variety

construens

Héribaud-Joseph  

 

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Forma

construens

Ant.Mayer  

 

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Forma

construens

A.Cleve  

 

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Forma

construens

A.Cleve  

 

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Variety

construens

Østrup  

 

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Species

costata

(Rehakova) Lange-Bertalot  

 

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Species

crassirhombica

Metzeltin, Lange-Bertalot & Nergui  

 

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Variety

crenophila

Rioual  

 

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Species

crenophila

Rioual  

 

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Subspecies

crotonensis

Lange-Bertalot & S.Ulrich  

 

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Variety

crotonensis

Roll  

 

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Species

crotonensis

Kitton  

 

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Forma

deformis

(Grunow) A.Cleve  

 

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Species

dibolos

M.H.Hohn & J.Hellerman  

 

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Species

dorsiventralis

(Otto Müller) Lange-Bertalot  

 

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Species

dzonoticola

Novelo Tavera & Ibarra  

 

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Species

ehrenbergii

Corda  

 

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Species

eichornii

Witkowski & Lange-Bertalot  

 

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Variety

elliptica

Van Heurck  

 

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Subspecies

eurofusiformis

Lange-Bertalot & S.Ulrich  

 

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Species

excissa

Corda  

 

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Species

exigua

Grunow  

 

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Species

flavovirens

H.Takano  

 

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Species

flexura

U.Hoff et Lange-Bertalot  

 

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Species

foliolum

(Corda) Corda  

 

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Species

fossilis

(Pantocsek) Lange-Bertalot  

Y

 

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Species

fragilarioides

(Grunow) Cholnoky  

 

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Variety

fragilarioides

(Grunow) Ludwig & Flores  

 

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Species

fusa

(Patrick) Wengrat, Wetzel & Morales  

 

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Forma

gibba

Hustedt  

 

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Species

glebula

M.H.Hohn & J.Hellerman  

 

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Species

gnathastoma

M.H.Hohn  

 

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Variety

gracilis

(Østrup) Hustedt  

 

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Species

gracilis

Østrup  

 

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Species

grunowii

Lange-Bertalot & S.Ulrich  

 

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Species

hainanensis

Z.Zhang & Y.Qi  

 

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Species

henryi

Lange-Bertalot  

 

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Species

hoelii

Foged  

 

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Variety

hyalina

(Ralfs) De Toni  

 

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Species

improbula

Witkowski & Lange-Bertalot  

 

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Species

incisa

(C.S.Boyer) Lange-Bertalot  

 

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Variety

inflata

(Pantoscek) Hustedt  

 

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Species

inflata

(Heiden) Hustedt  

 

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Variety

intermedia

(Grunow) Stoermer & Yang  

 

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Species

interstincta

M.H.Hohn & J.Hellerman  

 

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Species

iraqiensis

(A.Al-Handal & Kociolek) Rioual  

 

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Species

istvanffyi

Pantocsek  

 

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Species

juergensii

(C.Agardh) Kützing  

 

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Variety

kamezatica

E.G.Lupikina  

Y

 

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Species

labei

Witkowski & Metzeltin  

 

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Species

lacus-baikali

Skvortzov  

 

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Variety

lanceolata

Grunow  

 

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Species

leptarthra

Corda  

 

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Species

longifusiformis

(Hains & Sebring) Siver et al.  

 

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Species

longissima

Hustedt  

 

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Variety

longissima

Li, Cheng & Chin  

 

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Species

luteolus

Corda  

 

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Variety

marina

Tempère & Peragallo  

 

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Forma

meniscus

(Cleve-Euler) Cleve-Euler  

 

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Species

mesolepta

Rabenhorst  

 

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Species

micra

Z.Levkov & D.M.Williams  

 

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Species

microvaucheriae

C.E.Wetzel & Ector  

 

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Species

montana

(Krasske) Lange-Bertalot  

 

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Variety

nanana

(Lange-Bertalot) Lange-Bertalot & S.Ulrich  

 

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Species

neointermedia

A.Tuji & D.M.Williams  

 

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Species

neotropica

P.D.Almeida, E.Morales & C.E.Wetzel  

 

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Species

nevadensis

J.E.Linares-Cuesta & P.M.Sánchez-Castillo  

 

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Species

nitzschioides

Grunow  

 

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Species

oblonga

G.Drebes & D.Schulz  

 

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Species

pantocsekii

A.Cleve  

 

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Species

paradoxa

Ehrenberg  

 

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Species

pararumpens

Lange-Bertalot, G.Hofmann & Werum  

 

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Species

parva

(Grunow) A.Tuji & D.M.Williams  

 

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Species

patagonica

(Cleve) De Toni  

 

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Species

pectinalis

(O.F.Müller) Lyngbye  

 

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Species

pelta

M.H.Hohn & J.Hellerman  

 

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Species

pennsylvanica

E.A.Morales  

 

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Species

peragalloi

Frenguelli  

 

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Species

peragalloi

Frenguelli  

 

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Species

perdelicatissima

Lange-Bertalot & Van de Vijver  

 

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Species

perminuta

(Grunow) Lange-Bertalot  

 

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Forma

pinnata

(Schumann) A.Cleve  

 

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Variety

pinnata

A.Mayer  

 

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Species

polyedra

Ehrenberg  

Y

 

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Variety

pseudoconstruens

Marciniak  

 

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Variety

pseudoconstruens

Marciniak  

 

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Species

pseudoconstruens

Marciniak  

 

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Species

pseudomesolepta

Poretzky  

Y

 

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Species

punctiformis

A.Witkowski & Metzeltin  

 

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Species

radians

(Kützing) D.M.Williams & Round  

 

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Species

recapitellata

Lange-Bertalot & Metzeltin  

 

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Species

rhabdosoma

Ehrenberg  

 

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Species

rhodana

M.H.Hohn & J.Hellerman  

 

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Variety

rhomboides

Grunow  

 

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Species

rinoi

Almeida & Delgado  

 

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Species

robusta

Hustedt ex Simonsen  

 

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Species

rostrata

Ehrenberg  

 

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Species

rotundissima

Hargraves & Guillard  

 

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Species

rumpens

(Kützing) G.W.F.Carlson  

 

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Species

sandellii

Van de Vijver & Jarlman  

 

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Species

saxoplanctonica

Lange-Bertalot & S.Ulrich  

 

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Variety

septentrionalis

(Østrup) Lange-Bertalot  

 

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Variety

setacea

Ehrenberg  

 

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Species

smithiana

Grunow  

 

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Species

sopotensis

Witkowski & Lange-Bertalot  

 

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Species

spectra

P.D.Almeida, E.Morales & C.E.Wetzel  

 

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Species

strelnikovae

Genkal & Yarushina  

 

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Species

striatula

Lyngbye  

 

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Forma

stricta

(A.Cleve) Hustedt  

 

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Species

subconstricta

Østrup  

 

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Species

synegrotesca

Lange-Bertalot  

 

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Species

tabellaria

(O'Meara) De Toni  

 

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Variety

tenera

J.C.Druart, S.Lavigne & M.Robert  

 

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Species

tenera

(W.Smith) Lange-Bertalot  

 

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Species

tenuissima

Lange-Bertalot & S.Ulrich  

 

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Species

tenuistriata

Østrup  

 

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Variety

tetranodis

(A.Cleve) Hustedt  

 

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Forma

tetranodis

Cleve-Euler  

 

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Forma

trinodis

(Hustedt) Proschkina-Lavrenko  

 

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Variety

trinodis

Istvánffi  

 

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Variety

triundulata

Reichelt  

 

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Species

turgens

Ehrenberg  

 

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Variety

turgidula

(Schumann) Cleve-Euler  

 

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Species

uliginosa

Kulikovskiy, Lange-Bertalot, Witkoxski & Dorofeyuk  

 

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Forma

ulna

(Hustedt) Golama  

 

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Forma

ulna

(A.Cleve) Golama  

 

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Species

undulata

Corda  

 

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Variety

vaucheriae

Le Cohu  

 

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Variety

vaucheriae

Cleve  

 

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Forma

vaucheriae

Lowe  

 

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Variety

vaucheriae

A.Cleve  

 

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Variety

vaucheriae

(Grunow) Cleve-Euler  

 

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Variety

vaucheriae

A.Mayer  

 

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Variety

vaucheriae

(Greville) Stoermer & Yang  

 

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Species

vaucheriae

(Kützing) J.B.Petersen  

 

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Variety

virescens

(Lagerstedt) De Toni  

 

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Variety

virescens

Mayer  

 

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Variety

virescens

M.H.Hohn & J.Hellerman  

 

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Variety

virescens

Okuno  

Y

 

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Species

zeilleri

Héribaud-Joseph  

 

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