The INA is a card file and online reporting system maintained at the
Silva Center for Phycological Documentation
of the University Herbarium, University of California, Berkeley. It contains nearly 200,000 names of algae (in the broad sense).
The BPU is a card file containing bibliographic references pertaining to algal taxonomy.
A working list of algal type specimens at UC is available here
Tabular display
Results from INA database
- Achnanthes brevipes var. fragilariiformis_('fragilariaeformis') Kützing image
- Biddulphia fragilaria (C.G. Ehrenberg) J. Ralfs image
- Denticella fragilaria Ehrenberg image
- EUFRAGILARIA A. Cleve-Euler image
- EUFRAGILARIA F. Schütt image
- Eunotia pseudofragilaria P.A. Siver, P.B. Hamilton & E.A. Morales
- FRAGILARIA image
- FRAGILARIA H.S. Lyngbye image
- FRAGILARIA section EUFRAGILARIA A. Cleve-Euler image
- FRAGILARIA section STAUROSIRA (C.G. Ehrenberg) J.-J. Brun image
- FRAGILARIA subg. ALTERASYNEDRA Lange-Bertalot
- FRAGILARIA subg. CTENOPHORA (Grunow) Lange-Bertalot
- FRAGILARIA subg. CTENOPHORA (Grunow) Lange-Bertalot {invalid}
- FRAGILARIA subg. STAUROSIRA (Ehrenberg) Lange-Bertalot
- FRAGILARIA subg. STAUROSIRA (Ehrenberg) Lange-Bertalot {invalid}
- FRAGILARIA subg. TABULARIA (Kützing) Lange-Bertalot
- FRAGILARIA subg. TABULARIA (Kützing) Lange-Bertalot {invalid}
- FRAGILARIA subgen. ULNARIA (Kützing) H. Lange-Bertalot & P. Compère
- FRAGILARIACEAE Bessey image
- FRAGILARIACEAE Karsten image
- FRAGILARIACEAE Lemmermann image
- FRAGILARIALES Silva image
- Fragilaria acerba B.J. Cholnoky image
- Fragilaria acerosa B. Van de Vijver, C.E. Wetzel, A. Jarlman & L. Ector
- Fragilaria acidobiontica D.F. Charles
- Fragilaria acidoclinata H. Lange-Bertalot & H. Hofmann image
- Fragilaria acidoclinata Lange-Bertalot & Hofmann
- Fragilaria acidoclinata Lange-Bertalot & Hofmann {invalid}
- Fragilaria aconicinnum K.W. Estep & C.C. Remsen image
- Fragilaria acuta C.G. Ehrenberg image
- Fragilaria acutirhombica D. Metzeltin, H. Lange-Bertalot & N. Soninkhishig
- Fragilaria acutirostrata D. Metzeltin & H. Lange-Bertalot
- Fragilaria acutiuscula J. Pantocsek image
- Fragilaria adamsii B.J. Cholnoky image
- Fragilaria aequalis P.A.C. Heiberg image
- Fragilaria aequalis var. capitata J. Heribaud image
- Fragilaria aequalis var. inaequidentata Lagerstedt
- Fragilaria aequalis var. inaequidentata N.G.W. Lagerstedt image
- Fragilaria aequalis var. maeotica J. Pantocsek image
- Fragilaria aequalis var. producta Lagerstedt
- Fragilaria aequalis var. producta N.G.W. Lagerstedt image
- Fragilaria aethiopica G.S. West image
- Fragilaria africana F. Hustedt image
- Fragilaria agnesiae M. Kahlert & F. Rimet
- Fragilaria alpestris Krasske
- Fragilaria alternata J. Frenguelli image
- Fragilaria amicorum A. Witkowski & H. Lange-Bertalot
- Fragilaria amphicephala C.G. Ehrenberg image
- Fragilaria amphicephala C.G. Ehrenberg image
- Fragilaria amphicephaloides H. Lange-Bertalot
- Fragilaria amphiceros C.G. Ehrenberg image
- Fragilaria amphiceros C.G. Ehrenberg image
- Fragilaria amphioxys C.G. Ehrenberg image
- Fragilaria anceps C.G. Ehrenberg image
- Fragilaria anceps Ehrenberg
- Fragilaria angusta C.G. Ehrenberg image
- Fragilaria angusta Ehrenberg
- Fragilaria angusta Ehrenberg
- Fragilaria angustata P.T. Cleve & Grove image
- Fragilaria annulata (Corda) Corda
- Fragilaria antarctica A. Schwarz image
- Fragilaria antarctica Castracane image
- Fragilaria antarctica f. lata H.F. Van Heurck image
- Fragilaria aquaplus H. Lange-Bertalot & S. Ulrich
- Fragilaria araulensis J. Heribaud image
- Fragilaria arctica (Grunow) M. Poulin, L. Bérard-Therriault, & A. Cardinal {illegitimate}
- Fragilaria arctica A. Grunow image
- Fragilaria arcuata J. Schumann image
- Fragilaria arcus (Ehrenberg) Cleve
- Fragilaria arcus (F.T. Kützing) Cleve image
- Fragilaria arcus var. amphioxys_('amphiozys') (Rabenhorst) A. Cleve-Euler
- Fragilaria arcus var. recta Cleve image
- Fragilaria asiatica F. Hustedt image
- Fragilaria asterionelloides A. Tuji & D.M. Williams
- Fragilaria atomus F. Hustedt image
- Fragilaria atomus Hustedt
- Fragilaria aurea D. Carmichael image
- Fragilaria aurivilii Cleve image
- Fragilaria australis C.G. Ehrenberg image
- Fragilaria bacillum C.G. Ehrenberg image
- Fragilaria bacillum M. Peragallo image
- Fragilaria baculus E.V. Østrup image
- Fragilaria baculus E.V. Østrup image
- Fragilaria bahlsiana B. Van de Vijver, C.E. Wetzel & L. Ector
- Fragilaria balatonis J. Pantocsek image
- Fragilaria barbararum A. Witkowski, D. Metzeltin, & H. Lange-Bertalot
- Fragilaria barbatula (Kützing) Lange-Bertalot
- Fragilaria battarbeeana B. Van de Vijver, M. Kelly, C.E. Wetzel & L. Ector
- Fragilaria berolinensis (Lemmermann) Lange-Bertalot
- Fragilaria bicapitata A. Mayer
- Fragilaria bicapitata Ant. Mayer image
- Fragilaria bicapitata var. curta A. Mayer
- Fragilaria bicapitata var. inflata A. Mayer
- Fragilaria bicapitata var. lineolata A.I. Moissejeva image
- Fragilaria bicapitata var. sigmoidea H. Schimanski image
- Fragilaria biceps (Kützing) Lange-Bertalot {illegitimate}
- Fragilaria biceps (Kützing) Lange-Bertalot {invalid}
- Fragilaria biceps C.G. Ehrenberg image
- Fragilaria bidens P.A.C. Heiberg image
- Fragilaria bidens f. major A. Grunow image
- Fragilaria bidens f. minor A. Grunow image
- Fragilaria bidens var. obsoleta A. Cleve-Euler image
- Fragilaria bidens var. paucistriata A. Cleve-Euler image
- Fragilaria bigibba J. Heribaud image
- Fragilaria billingsii S. Wengrat, C.E. Wetzel & E. Morales
- Fragilaria binalis C.G. Ehrenberg image
- Fragilaria binalis Ehrenberg
- Fragilaria binodis (C.G. Ehrenberg) C.G. Ehrenberg image
- Fragilaria binodis C.G. Ehrenberg image
- Fragilaria binodis Ehrenberg
- Fragilaria binodis Pantocsek
- Fragilaria binodis var. obliqua J.-J. Brun & J. Heribaud image
- Fragilaria bipunctata (C.G. Ehrenberg) C.G. Ehrenberg image
- Fragilaria bipunctata (Ehrenberg) Ehrenberg
- Fragilaria bipunctata C.G. Ehrenberg image
- Fragilaria birostris C.G. Ehrenberg image
- Fragilaria bituminosa J. Pantocsek image
- Fragilaria bituminosa var. curta J. Pantocsek image
- Fragilaria bituminosa var. elongata J. Pantocsek image
- Fragilaria bituminosa var. minor J. Pantocsek image
- Fragilaria bituminosa var. perlonga J. Pantocsek image
- Fragilaria bituminosa var. validior J. Pantocsek image
- Fragilaria bivittata J. Pantocsek image
- Fragilaria bongrainii M. Peragallo image
- Fragilaria bongrainii var. planctonica (Heiden) J. Frenguelli & H.A. Orlando
- Fragilaria braunii F. Hustedt image
- Fragilaria braunii Hustedt
- Fragilaria brevis J.P.F.C. Montagne image
- Fragilaria brevistriata A. Grunow image
- Fragilaria brevistriata f. australis J.R. Carter image
- Fragilaria brevistriata f. curta B.V. Skvortzov image
- Fragilaria brevistriata f. elongata G.S. Venkataraman image
- Fragilaria brevistriata f. intermedia E.E. Manguin image
- Fragilaria brevistriata var. acuta A. Mayer
- Fragilaria brevistriata var. bigibba C.C. Jao image
- Fragilaria brevistriata var. binodis A. Cleve-Euler image
- Fragilaria brevistriata var. binodis Cleve-Euler
- Fragilaria brevistriata var. capitata Héribaud
- Fragilaria brevistriata var. capitata J. Heribaud image
- Fragilaria brevistriata var. capitata Manguin
- Fragilaria brevistriata var. constricta G. Krasske image
- Fragilaria brevistriata var. constricta V.S. Poretzky {illegitimate}
- Fragilaria brevistriata var. elliptica Héribaud
- Fragilaria brevistriata var. elliptica J. Heribaud image
- Fragilaria brevistriata var. fossilis J. Pantocsek image
- Fragilaria brevistriata var. inflata (J. Pantocsek) F. Hustedt image
- Fragilaria brevistriata var. linearis Ant. Mayer image
- Fragilaria brevistriata var. major P. Fusey image
- Fragilaria brevistriata var. mormonorum_('mormorum') A. Grunow image
- Fragilaria brevistriata var. nipponica B.V. Skvortzov image
- Fragilaria brevistriata var. nipponica Skvortzov
- Fragilaria brevistriata var. obtusa J. Frenguelli image
- Fragilaria brevistriata var. papillosa Cleve-Euler
- Fragilaria brevistriata var. pusilla A. Grunow image
- Fragilaria brevistriata var. subacuta A. Grunow image
- Fragilaria brevistriata var. subcapitata A. Grunow image
- Fragilaria brevistriata var. tibetica K.S. Mereschkowsky image
- Fragilaria brevistriata var. trigibba (J. Pantocsek) F. Hustedt image
- Fragilaria brevistriata var. turgida D. McCall image
- Fragilaria brevistriata var. undulata A. Mayer
- Fragilaria brevistriata var. vidarbhensis P.T. Sarode & N.D. Kamat image
- Fragilaria bronkii_('bronkei') A. Witkowski, H. Lange-Bertalot & D. Metzeltin
- Fragilaria californica A. Grunow image
- Fragilaria californica Grunow
- Fragilaria californica var. antarctica M. Peragallo image
- Fragilaria californica var. intermedia M. Peragallo image
- Fragilaria calmelsii_('calmelsi') A. Lauby image
- Fragilaria campyla (Hilse) B. Van de Vijver, W. Kusber & D.M. Williams
- Fragilaria camtschatica (Grunow) M. Poulin, L. Bérard-Therriault, & A. Cardinal
- Fragilaria camtschatica var. finnmarchica (Cleve & Grunow) M. Poulin, L. Bérard-Therriault, & A. Cardinal
- Fragilaria canariensis H. Lange-Bertalot
- Fragilaria candidagiliae_('candidagilae') S.F.P. Almeida, C. Delgado, M.H. Novais & S. Blanco
- Fragilaria capensis A. Grunow image
- Fragilaria capensis B.J. Cholnoky image
- Fragilaria capensis G. Karsten image
- Fragilaria capensis Grunow
- Fragilaria capitata (C.G. Ehrenberg) H. Lange-Bertalot image
- Fragilaria capitata C.G. Ehrenberg image
- Fragilaria capitellata (A. Grunow) J.B. Petersen image
- Fragilaria capitellata A. Lauby image
- Fragilaria capitellata var. petersenii_('Peterseni') N. Foged image
- Fragilaria capucina Desmazières
- Fragilaria capucina J.B.H.J. Desmazières image
- Fragilaria capucina f. distans A. Mayer
- Fragilaria capucina f. lanceolata-baikali R.J. Flower & D.M. Williams
- Fragilaria capucina f. neogena (Grunow) J.-J. Symoens
- Fragilaria capucina f. sublanceolata E.E. Manguin image
- Fragilaria capucina f. sublanceolata-baikali R.J. Flower & D.M. Williams
- Fragilaria capucina subsp. amphicephala (F.T. Kützing) H. Lange-Bertalot image
- Fragilaria capucina subsp. amphicephala (Kützing) H. Lange-Bertalot
- Fragilaria capucina subsp. austriaca (A. Grunow) H. Lange-Bertalot image
- Fragilaria capucina subsp. austriaca (Grunow) Lange-Bertalot
- Fragilaria capucina subsp. rumpens (F.T. Kützing) H. Lange-Bertalot image
- Fragilaria capucina subsp. rumpens (Kützing) Lange-Bertalot
- Fragilaria capucina var. acuminata A. Grunow image
- Fragilaria capucina var. acuta (C.G. Ehrenberg) G.L. Rabenhorst image
- Fragilaria capucina var. amphicephala (Kützing) Lange-Bertalot {invalid}
- Fragilaria capucina var. amphicephala (Kützing) Lange-Bertalot ex L.N. Bukhtiyarova
- Fragilaria capucina var. arctica A. Cleve image
- Fragilaria capucina var. austriaca (A. Grunow) H. Lange-Bertalot image
- Fragilaria capucina var. californica K.S. Mereschkowsky image
- Fragilaria capucina var. constricta (C.G. Ehrenberg) A. Grunow image
- Fragilaria capucina var. contracta (J. Schumann) J.-J. Brun image
- Fragilaria capucina var. corrugata (F.T. Kützing) A. Grunow image
- Fragilaria capucina var. courtallensis V.B. Krishnamurthy image
- Fragilaria capucina var. delicatula A. Cleve-Euler image
- Fragilaria capucina var. genuina A. Grunow image
- Fragilaria capucina var. gracilis (E.V. Østrup) F. Hustedt image
- Fragilaria capucina var. inaequidentata N.G.W. Lagerstedt image
- Fragilaria capucina var. lanceolata A. Grunow image
- Fragilaria capucina var. longissima Ant. Mayer image
- Fragilaria capucina var. major W. Smith image
- Fragilaria capucina var. mesolepta (G.L. Rabenhorst) G.L. Rabenhorst image
- Fragilaria capucina var. mesolepta (Rabenhorst) Rabenhorst
- Fragilaria capucina var. minima G.L. Rabenhorst image
- Fragilaria capucina var. parva G.L. Rabenhorst image
- Fragilaria capucina var. producta (N.G.W. Lagerstedt) A. Cleve image
- Fragilaria capucina var. rumpens (F.T. Kützing) H. Lange-Bertalot image
- Fragilaria capucina var. rumpens (Kützing) Lange-Bertalot ex L.N. Bukhtiyarova
- Fragilaria capucina var. rumpens (Kützing) Lange-Bertalot {invalid}
- Fragilaria capucina var. sublinearis E. Manguin ex Kociolek & Reviers
- Fragilaria capucina var. sublinearis E. Manguin {invalid}
- Fragilaria capucina var. sublinearis E.E. Manguin image
- Fragilaria capucina var. tenuis (C.A. Agardh) L.A. Brebisson image
- Fragilaria capucina var. vaucheriae (F.T. Kützing) H. Lange-Bertalot image
- Fragilaria carmichaelii Harvey image
- Fragilaria carnea H.C. Lyngbye image
- Fragilaria cassubica A. Witkowski & H. Lange-Bertalot
- Fragilaria castracanei De Toni image
- Fragilaria castracanei var. asymmetrica E.J. Lemmermann image
- Fragilaria castracanei var. brevior E.J. Lemmermann image
- Fragilaria castracanei var. elliptica Peragallo image
- Fragilaria catena C.G. Ehrenberg image
- Fragilaria catena Ehrenberg
- Fragilaria catenarinoi B. Van de Vijver & D.M. Williams
- Fragilaria charcotii M. Peragallo
- Fragilaria chilensis (Krasske) H. Lange-Bertalot
- Fragilaria clevei J. Pantocsek image
- Fragilaria clevei var. linearis Pantocsek
- Fragilaria coccochroma K.S. Mereschkowsky image
- Fragilaria coccochroma K.S. Mereschkowsky image
- Fragilaria coccochromatica K.S. Mereschkowsky image
- Fragilaria coccochromatica var. decephala K.S. Mereschkowsky image
- Fragilaria cochabambina E. Morales
- Fragilaria confervoides R.K. Greville image
- Fragilaria confusa B. Van de Vijver, E. Tusset, D.M. Williams & L. Ector
- Fragilaria constricta C.G. Ehrenberg image
- Fragilaria constricta Ehrenberg
- Fragilaria constricta var. trinodis F. Hustedt image
- Fragilaria constricta var. trinodis Hustedt
- Fragilaria construens (C.G. Ehrenberg) A. Grunow image
- Fragilaria construens f. amphioxys Torka
- Fragilaria construens f. arcus Y. Iwahashi image
- Fragilaria construens f. biceps (Ehrenberg) Ströse
- Fragilaria construens f. borealis N. Foged
- Fragilaria construens f. cruciata A. Cleve-Euler image
- Fragilaria construens f. extrema A. Mayer
- Fragilaria construens f. fossilis Manguin
- Fragilaria construens f. gibba F. Hustedt image
- Fragilaria construens f. gracilis G.L. Rabenhorst image
- Fragilaria construens f. inaequilatera A. Cleve-Euler image
- Fragilaria construens f. lata A. Mayer
- Fragilaria construens f. pusilla (Grunow) A. Mayer
- Fragilaria construens f. rhomboidalis (A. Mayer) A. Mayer
- Fragilaria construens f. robusta P. Fusey image
- Fragilaria construens f. rotundata V.S. Poretzky
- Fragilaria construens f. subconstricta A. Cleve-Euler image
- Fragilaria construens f. subrotunda A. Mayer
- Fragilaria construens f. undulata Ant. Mayer image
- Fragilaria construens var. biceps (Ehrenberg) A. Mayer
- Fragilaria construens var. bigibba A. Cleve image
- Fragilaria construens var. binodis (C.G. Ehrenberg) A. Grunow image
- Fragilaria construens var. capitata Brun & Héribaud
- Fragilaria construens var. capitata J.-J. Brun & J. Heribaud image
- Fragilaria construens var. circularis_('circulare') J. Heribaud image
- Fragilaria construens var. exigua (W. Smith) F. Hustedt image
- Fragilaria construens var. exigua (W. Smith) Hustedt
- Fragilaria construens var. fossilis H.P. Gandhi ex Karthick
- Fragilaria construens var. fossilis H.P. Gandhi {invalid}
- Fragilaria construens var. genuina A. Grunow image
- Fragilaria construens var. indica H.P. Gandhi ex Karthick
- Fragilaria construens var. indica H.P. Gandhi {invalid}
- Fragilaria construens var. javanica F. Hustedt image
- Fragilaria construens var. lunata J.L. Stone
- Fragilaria construens var. major A. Cleve-Euler image
- Fragilaria construens var. meniscus A. Cleve-Euler image
- Fragilaria construens var. minor J. Frenguelli image
- Fragilaria construens var. minuta Tempère & H. Peragallo
- Fragilaria construens var. nipponica B.V. Skvortzov image
- Fragilaria construens var. oblonga A. Grunow image
- Fragilaria construens var. ovata R.B. McLaughlin & J.R. Stone {invalid}
- Fragilaria construens var. pumila A. Grunow image
- Fragilaria construens var. pumila Grunow
- Fragilaria construens var. pusilla A. Grunow image
- Fragilaria construens var. pusilla Grunow
- Fragilaria construens var. rhomboidalis A. Mayer
- Fragilaria construens var. semibinodis E.V. Østrup image
- Fragilaria construens var. sinuata H. Reichelt image
- Fragilaria construens var. subsalina Hustedt
- Fragilaria construens var. trigibba (J. Pantocsek) J. Frenguelli image
- Fragilaria construens var. trigona (Grunow) A. Cleve-Euler
- Fragilaria construens var. trinodis G. Istvanfy de Csík Madefalva image
- Fragilaria construens var. trinodis Heiden {illegitimate}
- Fragilaria construens var. triundulata H. Reichelt image
- Fragilaria construens var. triundulata Reichelt ex Østrup
- Fragilaria construens var. venter (C.G. Ehrenberg) A. Grunow image
- Fragilaria contracta J. Schumann image
- Fragilaria corrugata F.T. Kützing image
- Fragilaria costata (Z. Reháková) H. Lange-Bertalot
- Fragilaria costata F. Meister image
- Fragilaria costata M. Peragallo image
- Fragilaria crassa D. Metzeltin & H. Lange-Bertalot
- Fragilaria crassirhombica D. Metzeltin, H. Lange-Bertalot & N. Soninkhishig
- Fragilaria crenophila P. Rioual
- Fragilaria crenophila var. sinensis Rioual
- Fragilaria cretae C.G. Ehrenberg image
- Fragilaria crocodylus B. Van de Vijver & C.E. Wetzel
- Fragilaria crotonensis F. Kitton image
- Fragilaria crotonensis f. curta C.J. Schröter image
- Fragilaria crotonensis subsp. lacus-vulcani H. Lange-Bertalot & S. Ulrich
- Fragilaria crotonensis var. contorta W. West & G.S. West image
- Fragilaria crotonensis var. contorta W. West & G.S. West image
- Fragilaria crotonensis var. media C.J. Schröter & P. Vogler image
- Fragilaria crotonensis var. oregona H.E. Sovereign
- Fragilaria crotonensis var. prolongata (A. Grunow) H.F. Van Heurck image
- Fragilaria crotonensis var. prolongata Grunow
- Fragilaria crotonensis var. subprolongata C.J. Schröter & P. Vogler image
- Fragilaria crux - - image
- Fragilaria cuneata C.G. Ehrenberg image
- Fragilaria curta H.F. Van Heurck image
- Fragilaria curta Van Heurck
- Fragilaria curta f. minima O.G. Kozlova image
- Fragilaria curvata Skvortzov
- Fragilaria curvistriata Lohman & Andrews image
- Fragilaria cyclopum (A. Brutschy) H. Lange-Bertalot image
- Fragilaria cylindrus A. Grunow image
- Fragilaria cylindrus f. elongata H.F. Van Heurck image
- Fragilaria cylindrus f. minor E.E. Manguin image
- Fragilaria cylindrus var. van-heurckii M. Peragallo image
- Fragilaria danica (Kützing) H. Lange-Bertalot
- Fragilaria deformis (W. Smith) B. Van de Vijver & L. Ector
- Fragilaria delicatissima (W. Smith) H. Lange-Bertalot image
- Fragilaria delicatissima A.I. Proshkina-Lavrenko image
- Fragilaria delicatissima Proshkina-Lavrenko
- Fragilaria delicatissima var. angustissima (A. Grunow) H. Lange-Bertalot image
- Fragilaria delicatula F.R. Schoeman image
- Fragilaria demerarae (A. Grunow) H. Lange-Bertalot image
- Fragilaria densestriata Hustedt
- Fragilaria densestriata F. Hustedt image
- Fragilaria denticulata Lohman & Andrews image
- Fragilaria diatomoides R.K. Greville image
- Fragilaria dibolos M.H. Hohn & J. Hellerman image
- Fragilaria dilatata (Brébisson) Lange-Bertalot
- Fragilaria dilatata (Brébisson) Lange-Bertalot {invalid}
- Fragilaria diophthalma (C.G. Ehrenberg) C.G. Ehrenberg image
- Fragilaria diophthalma (Ehrenberg) Ehrenberg
- Fragilaria diophthalma Hemprich & C.G. Ehrenberg image
- Fragilaria distans (Grunow) L.N. Bukhtiyarova
- Fragilaria dorsiventralis (H. Müller) H. Lange-Bertalot image
- Fragilaria drouotiana D. Heudre, C.E. Wetzel, L. Moreau, & L. Ector
- Fragilaria dubia A. Grunow image
- Fragilaria dubia Grunow
- Fragilaria durietzi A. Cleve-Euler image
- Fragilaria dzonoticola E. Novelo, R. Tavera, & C. Ibarra
- Fragilaria ehrenbergii Corda
- Fragilaria eichhornii A. Witkowski & H. Lange-Bertalot
- Fragilaria eichornii A. Witkowski & H. Lange-Bertalot {invalid}
- Fragilaria eifelensis B. Van de Vijver & D.M. Williams
- Fragilaria elliptica Schumann
- Fragilaria elliptica J. Schumann image
- Fragilaria elliptica var. subrotunda Mayer
- Fragilaria endocystifera J. Heribaud image
- Fragilaria ennerdalensis B. Van de Vijver, M. Kelly, C.E. Wetzel & L. Ector
- Fragilaria entomon C.G. Ehrenberg image
- Fragilaria estherae M. Hajós image
- Fragilaria eugramma C.G. Ehrenberg image
- Fragilaria eunotia C.G. Ehrenberg image
- Fragilaria eutraphenta B. Van de Vijver, W.-H. Kusber & D.M. Williams
- Fragilaria excissa Corda
- Fragilaria exigua (W. Smith) E.J. Lemmermann image
- Fragilaria exigua (W. Smith) Lemmermann
- Fragilaria exigua var. concava E.J. Lemmermann image
- Fragilaria exiguiformis H. Lange-Bertalot image
- Fragilaria exiguiformis Lange-Bertalot
- Fragilaria exiguissima R.E.M. Archibald image
- Fragilaria exilis A. Grunow image
- Fragilaria exilis Grunow
- Fragilaria famelica (F.T. Kützing) H. Lange-Bertalot image
- Fragilaria famelica subsp. littoralis (H. Germain) Lange-Bertalot
- Fragilaria famelica var. littoralis (H. Germain) Lange-Bertalot {invalid}
- Fragilaria familiaris (F.T. Kützing) F. Hustedt image
- Fragilaria familiaris (Kützing) Hustedt
- Fragilaria fasciata H.C. Lyngbye image
- Fragilaria fasciculata (C.A. Agardh) H. Lange-Bertalot image
- Fragilaria filiformis (Grunow) Van de Vijver & T.M. Schuster
- Fragilaria fissa C.G. Ehrenberg image
- Fragilaria flavovirens H. Takano
- Fragilaria flexura U. Hoff & H. Lange-Bertalot
- Fragilaria floridana G.D. Hanna image
- Fragilaria foliolum (Corda) Corda
- Fragilaria fonticola F. Hustedt image
- Fragilaria fonticola Hustedt
- Fragilaria fonticola f. constricta J. Frenguelli image
- Fragilaria fonticola var. angusta F. Hustedt image
- Fragilaria fonticola var. angusta Hustedt
- Fragilaria fonticola var. chandolensis H.P. Gandhi image
- Fragilaria fonticola var. sinaica F. Hustedt image
- Fragilaria fonticola var. tetragona J. Frenguelli image
- Fragilaria fontinalis (W. Smith) B. Van de Vijver, D.M. Williams, C.E. Wetzel & L. Ector
- Fragilaria fossilis (Pantocsek) H. Lange-Bertalot
- Fragilaria fossilis M. Hajós image
- Fragilaria fragilarioides (A. Grunow) B.J. Cholnoky image
- Fragilaria fremontii_('fremontii') C.G. Ehrenberg image
- Fragilaria frustulia C.G. Ehrenberg image
- Fragilaria fusa (R.M. Patrick) S. Wengrat, C.E. Wetzel & E. Morales
- Fragilaria fusus C.G. Ehrenberg image
- Fragilaria gaillonii (Bory) Lange-Bertalot image
- Fragilaria gallionella C.G. Ehrenberg image
- Fragilaria gedanensis A. Witkowski
- Fragilaria gedanensis A. Witkowski {invalid}
- Fragilaria geocollegarum A. Witkowski & H. Lange-Bertalot
- Fragilaria geocollegarum A. Witkowski & H. Lange-Bertalot {invalid}
- Fragilaria germainii H. Lange-Bertalot & E. Reichardt
- Fragilaria germainii f. acostata H. Lange-Bertalot
- Fragilaria gessneri F. Hustedt image
- Fragilaria gessneri Hustedt
- Fragilaria gibba C.G. Ehrenberg image
- Fragilaria gieskesii B.J. Cholnoky image
- Fragilaria gigantea A. Lauby image
- Fragilaria glabra C.G. Ehrenberg image
- Fragilaria glacialis P.C.M. Petit image
- Fragilaria glans (C.G. Ehrenberg) C.G. Ehrenberg image
- Fragilaria glebula M.H. Hohn & J. Hellerman image
- Fragilaria gloiophila (Grunow) B. Van de Vijver, L. Ector, T.M. Schuster & J. Walter
- Fragilaria gnathastoma M.H. Hohn image
- Fragilaria goeyersiana B. Van de Vijver & L. Ector
- Fragilaria graciliformis R.M. Gogorev & E.Y. Kapitonova
- Fragilaria gracilis E.V. Østrup image
- Fragilaria gracillima Ant. Mayer image
- Fragilaria grandis C.G. Ehrenberg image
- Fragilaria granulata C.G. Ehrenberg image
- Fragilaria granulata G. Karsten image
- Fragilaria groenlandica A.F. Meunier image
- Fragilaria grunowii H. Lange-Bertalot & S. Ulrich
- Fragilaria guenter-grassii A. Witkowski & H. Lange-Bertalot
- Fragilaria gustavei J. Heribaud image
- Fragilaria hainanensis Z. Zhang & Y. Qi
- Fragilaria hantzschiana Gerstenberger image
- Fragilaria hantzschiana Gerstenberger {invalid}
- Fragilaria harrisonii (W. Smith) A. Grunow image
- Fragilaria harrisonii f. mediocris G.L. Rabenhorst image
- Fragilaria harrisonii f. minima G.L. Rabenhorst image
- Fragilaria harrisonii f. minor G.L. Rabenhorst image
- Fragilaria harrisonii var. almensis R. Handmann
- Fragilaria harrisonii var. amphitetras (A. Grunow) F. Hustedt image
- Fragilaria harrisonii var. dubia A. Grunow image
- Fragilaria harrisonii var. dubia Grunow
- Fragilaria harrisonii var. genuina A. Grunow image
- Fragilaria harrisonii var. lanceolata Pantocsek
- Fragilaria harrisonii var. major J. Heribaud image
- Fragilaria harrisonii var. ovalis Pantocsek
- Fragilaria harrisonii var. rhomboides A. Grunow image
- Fragilaria harrisonii var. rhomboides Grunow
- Fragilaria harrisonii var. sinuata F. Hustedt image
- Fragilaria harrisonii var. triangularis P.T. Cleve image
- Fragilaria harrisonii var. trigona G. Krasske image
- Fragilaria harrisonii var. trigona Krasske
- Fragilaria heatherae M. Kahlert & M.G. Kelly
- Fragilaria heidenii Østrup
- Fragilaria heidenii var. abbreviata A. Cleve-Euler image
- Fragilaria heidenii var. istvanffyi (Pantocsek) E.F. Stoermer & J.J. Yang
- Fragilaria henryi H. Lange-Bertalot
- Fragilaria heudreana B. Van de Vijver, C.E. Wetzel & L. Ector
- Fragilaria himalayae C.G. Ehrenberg image
- Fragilaria hinganensis B.V. Skvortzov image
- Fragilaria hinganensis var. longissima B.V. Skvortzov image
- Fragilaria hirosakiensis T. Kanaya
- Fragilaria hirosakiensis var. minor M. Hajós image
- Fragilaria hoelii Foged
- Fragilaria huebeneri A. Schwarz, K.J. Krahn & C.E. Wetzel
- Fragilaria huerlimannii B. Van de Vijver
- Fragilaria hungarica J. Pantocsek image
- Fragilaria hungarica J. Pantocsek image
- Fragilaria hungarica Pantocsek
- Fragilaria hungarica Pantocsek {illegitimate}
- Fragilaria hungarica var. tumida A. Cleve-Euler image
- Fragilaria hungarica var. tumida Cleve-Euler
- Fragilaria husvikensis B. Van de Vijver, L. Denys, & L. Beyens
- Fragilaria hyalina (F.T. Kützing) A. Grunow image
- Fragilaria hyalina var. major A. Grunow image
- Fragilaria hyalina var. minima (Ralfs) De Toni
- Fragilaria hyalina var. minor A. Grunow image
- Fragilaria hyalina var. vitrea (Kützing) De Toni
- Fragilaria hyemalis (Roth) H.C. Lyngbye image
- Fragilaria hyemalis (Roth) Lyngbye
- Fragilaria hyemalis C. Agardh {illegitimate}
- Fragilaria hyemalis H.C. Lyngbye ex C.G. Ehrenberg image
- Fragilaria imbramoviciana I. Kaczmarska
- Fragilaria improbula A. Witkowski & H. Lange-Bertalot
- Fragilaria incisa (C.S. Boyer) H. Lange-Bertalot image
- Fragilaria incognita E. Reichardt
- Fragilaria indigena B.V. Skvortzov image
- Fragilaria inflata (Heiden) Hustedt {illegitimate}
- Fragilaria inflata J. Pantocsek image
- Fragilaria inflata Pantocsek
- Fragilaria inflata var. istvanffyi (Pantocsek) Hustedt
- Fragilaria inflata var. rhombica (Cleve) F. Meister image
- Fragilaria inflata var. sublinearis E.E. Manguin image
- Fragilaria inflatissima F. Hustedt image
- Fragilaria inflexa C.G. Ehrenberg image
- Fragilaria intermedia (A. Grunow) A. Grunow image
- Fragilaria intermedia (Grunow) Grunow
- Fragilaria intermedia f. chandrapurensis P.T. Sarode & N.D. Kamat image
- Fragilaria intermedia f. continua A. Cleve-Euler image
- Fragilaria intermedia f. deformis (A. Grunow) A. Cleve-Euler image
- Fragilaria intermedia var. capitellata (A. Grunow) A. Cleve-Euler image
- Fragilaria intermedia var. continua A. Cleve-Euler image
- Fragilaria intermedia var. distans (A. Grunow) A. Cleve-Euler image
- Fragilaria intermedia var. fallax (Grunow) E.F. Stoermer & J.J. Yang
- Fragilaria intermedia var. karelica K. Mölder image
- Fragilaria intermedia var. lanceolata P. Fusey image
- Fragilaria intermedia var. littoralis H. Germain
- Fragilaria intermedia var. rhomboides P. Fusey image
- Fragilaria intermedia var. robusta G.S. Venkataraman image
- Fragilaria intermedia var. semisinuata A. Cleve-Euler image
- Fragilaria interstincta M.H. Hohn & J. Hellerman image
- Fragilaria investiens - - image
- Fragilaria iraqiensis (A. Al-Handal & J.P. Kociolek) P. Rioual
- Fragilaria irregularis D. Chudaev, I. Jüttner, & B. Van de Vijver
- Fragilaria ischaboensis A. Grunow image
- Fragilaria islandica A. Grunow image
- Fragilaria islandica var. adeliae E.E. Manguin image
- Fragilaria islandica var. angusta J. Pantocsek & P. Greguss image
- Fragilaria islandica var. fossilis J. Pantocsek image
- Fragilaria islandica var. hyperborea P.T. Cleve image
- Fragilaria islandica var. litoralis A.I. Proshkina-Lavrenko image
- Fragilaria islandica var. producta M. Peragallo image
- Fragilaria islandica var. stricta M. Peragallo image
- Fragilaria istvanffyi var. tenuirostris O. Müller image
- Fragilaria istvanffyi_('Istvánffyi') Pantocsek
- Fragilaria istvanffyi_('istvánffyi') J. Pantocsek image
- Fragilaria japonica F. Meister image
- Fragilaria japonica J. Pantocsek image
- Fragilaria javanica F. Hustedt image
- Fragilaria javanica Hustedt
- Fragilaria joachimii M. Kahlert
- Fragilaria juergensii (Agardh) F.T. Kützing image
- Fragilaria kamchadal Molinari & Guiry
- Fragilaria karelica K. Mölder image
- Fragilaria karelica Mölder
- Fragilaria karelica var. brevis K. Mölder image
- Fragilaria karstenii B.P. Boden image
- Fragilaria kellyana B. Van de Vijver, D.M. Williams & L. Ector
- Fragilaria kerguelensis (E. O'Meara) Cleve image
- Fragilaria kerguelensis var. asymmetrica E.J. Lemmermann image
- Fragilaria kerguelensis var. brevior (E.J. Lemmermann) E.J. Lemmermann image
- Fragilaria kizakensis B.V. Skvortzov & M. Noda image
- Fragilaria kochii J. Pantocsek image
- Fragilaria kriegeriana Krasske image
- Fragilaria labei A. Witkowski & D. Metzeltin
- Fragilaria lacus-baikali B.V. Skvortzov image
- Fragilaria laevigata (A. Grunow) H. Lange-Bertalot image
- Fragilaria laevis C.G. Ehrenberg image
- Fragilaria laevis Corda
- Fragilaria laevis Ehrenberg {illegitimate}
- Fragilaria laevissima Cleve
- Fragilaria laevissima E.V. Østrup image
- Fragilaria laevissima F. Meister image
- Fragilaria laevissima var. circumnodosa J.-J. Brun image
- Fragilaria laevissima var. undulata E.V. Østrup image
- Fragilaria lagerheimii A. Cleve-Euler
- Fragilaria lagerheimii var. undulata A. Cleve-Euler
- Fragilaria lamella C.G. Ehrenberg image
- Fragilaria lanceolata (Kützing) E. Reichardt
- Fragilaria lancettula Schumann
- Fragilaria landnama B. Van de Vijver & Iris Hansen
- Fragilaria lapponica A. Grunow image
- Fragilaria lapponica f. lanceolata Hustedt
- Fragilaria lapponica var. capitata A. Lauby image
- Fragilaria lapponica var. curvata G. Krasske image
- Fragilaria lapponica var. gigantea J. Heribaud image
- Fragilaria lapponica var. inflata J.L. Stone
- Fragilaria lapponica var. lanceolata (Hustedt) Z. Zhang & Y. Qi
- Fragilaria lapponica var. lanceolata F. Hustedt image
- Fragilaria lapponica var. marciniakiae_(`marciniakae') I. Kaczmarska
- Fragilaria lapponica var. minuta A. Cleve image
- Fragilaria lapponica var. minuta J. Pantocsek image
- Fragilaria lapponica var. rostrata G. Krasske image
- Fragilaria lapponica var. tetragonalis G.A. Prowse image
- Fragilaria lata (A. Cleve-Euler) I. Renberg image
- Fragilaria lata (Cleve-Euler) I. Renberg
- Fragilaria latruncularia H.C. Lyngbye image
- Fragilaria legumen C.G. Ehrenberg image
- Fragilaria lemanensis (J.C. Druart, S. Lavigne, & M. Robert) B. Van de Vijver, L. Ector & F. Straub
- Fragilaria lenoblei E.E. Manguin image
- Fragilaria lenoblei f. lanceolata E.E. Manguin image
- Fragilaria lenoblei f. trigona E.E. Manguin image
- Fragilaria lenzii (G. Krasske) H. Lange-Bertalot & Willmann
- Fragilaria leptarthra Corda
- Fragilaria leptocephala C.G. Ehrenberg image
- Fragilaria leptoceros C.G. Ehrenberg image
- Fragilaria leptostauron (Ehrenberg) Hustedt
- Fragilaria leptostauron f. inaequilatera A. Mayer
- Fragilaria leptostauron f. obliqua A. Mayer
- Fragilaria leptostauron f. tripartita A. Mayer
- Fragilaria leptostauron var. amphitetras (Grunow) H.P. Gandhi
- Fragilaria leptostauron var. dubia (Grunow) Hustedt
- Fragilaria leptostauron var. fossilis (J. Pantocsek) Reháková
- Fragilaria leptostauron var. fossilis (J. Pantocsek) Reháková image
- Fragilaria leptostauron var. hainanensis Z. Zhang
- Fragilaria leptostauron var. martyi (Héribaud) Lange-Bertalot {invalid}
- Fragilaria leptostauron var. neotrigona Guiry & Karthick
- Fragilaria leptostauron var. rhomboides (Grunow) Hustedt
- Fragilaria leptostauron var. stauroneiformis N. Woodhead & R.D. Tweed image
- Fragilaria leptostauron var. stauroneiformis Woodhead & Tweed
- Fragilaria leptostauron var. triangula M. Hajós image
- Fragilaria leptostauron var. trigona (Krasske) H. Lange-Bertalot & M. Willmann
- Fragilaria leptostauron var. trigona H.P. Gandhi {invalid}
- Fragilaria leptostauron var. woerthensis A. Mayer
- Fragilaria linearis Castracane image
- Fragilaria linearis var. intermedia E.E. Manguin image
- Fragilaria lineata (Dillwyn) Lyngbye
- Fragilaria lineata (L.W. Dillwyn) H.C. Lyngbye image
- Fragilaria litoralis B.J. Cholnoky image
- Fragilaria loetschertii H. Lange-Bertalot
- Fragilaria longiceps (C.G. Ehrenberg) H. Lange-Bertalot image
- Fragilaria longifusiformis P.A. Siver, E.A. Morales, B. Van de Vijver, M. Smits, P.B. Hamilton, H. Lange-Bertalot, & J.J. Hains
- Fragilaria longifusiformis subsp. eurofusiformis H. Lange-Bertalot & S. Ulrich
- Fragilaria longirostris J. Frenguelli image
- Fragilaria longissima F. Hustedt image
- Fragilaria luciae B.J. Cholnoky image
- Fragilaria luteolus Corda
- Fragilaria maarensis K.J. Krahn & C.E. Wetzel
- Fragilaria maeotica I.V. Milovanova image
- Fragilaria maillardii R. Le Cohu
- Fragilaria malouana B. Van de Vijver & A. Jarlman
- Fragilaria margarethae F.R. Schoeman image
- Fragilaria martyi (Héribaud) Lange-Bertalot
- Fragilaria martyi (J. Heribaud) H. Lange-Bertalot image
- Fragilaria maxima E. O'Meara image
- Fragilaria mazamaensis (H.E. Sovereign) H. Lange-Bertalot image
- Fragilaria mecsekia M. Hajós image
- Fragilaria mecsekia f. minuta M. Hajós image
- Fragilaria mertensiana B. Van de Vijver, C.E. Wetzel & L. Ector
- Fragilaria mesodon C.G. Ehrenberg image
- Fragilaria mesodon C.G. Ehrenberg image
- Fragilaria mesogongyla C.G. Ehrenberg image
- Fragilaria mesolepta G.L. Rabenhorst image
- Fragilaria mesolepta G.L. Rabenhorst image
- Fragilaria mesolepta Rabenhorst
- Fragilaria mesotyla C.G. Ehrenberg image
- Fragilaria metcalfeana B. Van de Vijver, D.M. Williams, W. Kusber & T.M. Schuster
- Fragilaria micra Z. Levkov & D.M. Williams
- Fragilaria microcephala J. Pantocsek image
- Fragilaria microcephala R.F. Bastow image
- Fragilaria microcephala R.F. Bastow {illegitimate}
- Fragilaria microradians B. Van de Vijver & D.M. Williams
- Fragilaria microrhombus B.J. Cholnoky image
- Fragilaria microstriata B. Marciniak
- Fragilaria microvaucheriae C.E. Wetzel & L. Ector
- Fragilaria minima (J. Ralfs) A. Grunow image
- Fragilaria minima E. Steemann Nielsen image
- Fragilaria minuscula (A. Grunow) D.M. Williams & F.E. Round image
- Fragilaria minuta J. Pantocsek image
- Fragilaria minutissima A. Grunow image
- Fragilaria miocenica Z. Jouse image
- Fragilaria miocenica var. chankensis Moiseeva image
- Fragilaria miocenica var. tetranodis Moiseeva image
- Fragilaria misarelensis F.P. Almeida, C. Delgado, M.H. Novais & S. Blanco
- Fragilaria moissacensis J. Heribaud image
- Fragilaria mollis A.F. Meunier image
- Fragilaria montana (Krasske ex Hustedt) Lange-Bertalot
- Fragilaria mormonorum (A. Grunow) C.S. Boyer image
- Fragilaria multipunctata (C.G. Ehrenberg) C.G. Ehrenberg image
- Fragilaria multipunctata (Ehrenberg) Ehrenberg
- Fragilaria multipunctata Hemprich & C.G. Ehrenberg image
- Fragilaria mutabilis (W. Smith) A. Grunow image
- Fragilaria mutabilis f. martyi (J. Heribaud) A. Cleve-Euler image
- Fragilaria mutabilis var. asymmetrica A. Cleve-Euler
- Fragilaria mutabilis var. baicalensis B.V. Skvortzov & Meyer image
- Fragilaria mutabilis var. bullata E.V. Østrup image
- Fragilaria mutabilis var. diatomacea A. Grunow image
- Fragilaria mutabilis var. genuina A. Grunow image
- Fragilaria mutabilis var. inflata E.V. Østrup image
- Fragilaria mutabilis var. intercedens A. Grunow image
- Fragilaria mutabilis var. intercedens A. Grunow image
- Fragilaria mutabilis var. intercedens Grunow
- Fragilaria mutabilis var. intermedia A. Grunow image
- Fragilaria mutabilis var. intermedia Grunow
- Fragilaria mutabilis var. lanceolata E.V. Østrup image
- Fragilaria mutabilis var. lancettula (J. Schumann) A. Cleve-Euler image
- Fragilaria mutabilis var. lancettula (Schumann) Cleve-Euler
- Fragilaria mutabilis var. linearis A. Cleve-Euler
- Fragilaria mutabilis var. robusta B.V. Skvortzov & Meyer image
- Fragilaria mutabilis var. subsolitaris A. Grunow image
- Fragilaria mutabilis var. subsolitaris Grunow
- Fragilaria mutabilis var. trinodis P. Prudent image
- Fragilaria nana (F. Meister) H. Lange-Bertalot image
- Fragilaria nana E. Steemann Nielsen image
- Fragilaria nanana H. Lange-Bertalot
- Fragilaria nanana Lange-Bertalot {invalid}
- Fragilaria nankoorensis A. Grunow image
- Fragilaria nanoides H. Lange-Bertalot
- Fragilaria neglecta B. Van de Vijver, C.E. Wetzel, A. Jarlman & L. Ector
- Fragilaria neoelliptica A. Witkowski
- Fragilaria neogena J. Pantocsek image
- Fragilaria neointermedia A. Tuji & D.M. Williams
- Fragilaria neoproducta Lange-Bertalot
- Fragilaria neoproducta Lange-Bertalot {invalid}
- Fragilaria neotropica P.D. Almeida, E. Morales & C.E. Wetzel
- Fragilaria nevadensis J.E. Linares-Cuesta, & P.M. Sánchez-Castillo
- Fragilaria newberryi C.G. Ehrenberg image
- Fragilaria nitida (Gregory) Migula {illegitimate}
- Fragilaria nitida J. Heribaud image
- Fragilaria nitida var. curta J. Heribaud image
- Fragilaria nitida var. delicatula J. Heribaud image
- Fragilaria nitida var. minor J. Heribaud image
- Fragilaria nitzschioides A. Grunow image
- Fragilaria nitzschioides Grunow
- Fragilaria nitzschioides var. brasiliensis A. Grunow image
- Fragilaria nitzschioides var. brasiliensis Grunow
- Fragilaria nitzschioides var. kamczatica E.G. Lupikina image
- Fragilaria nodosa Cleve image
- Fragilaria nodulosa C.G. Ehrenberg image
- Fragilaria northumbrica A. Grunow image
- Fragilaria northumbrica Grunow
- Fragilaria nummuloides (Dillwyn) Lyngbye
- Fragilaria nummuloides (L.W. Dillwyn) H.C. Lyngbye image
- Fragilaria oamaruensis Schrader image
- Fragilaria obliquecostata H.F. Van Heurck image
- Fragilaria obliquecostata f. maxima H.F. Van Heurck image
- Fragilaria oblonga G. Drebes & D. Schulz
- Fragilaria obtusa F. Hustedt image
- Fragilaria obtusa Hustedt
- Fragilaria oceanica Cleve
- Fragilaria oceanica P.T. Cleve image
- Fragilaria oceanica f. circularis H.H. Gran image
- Fragilaria oceanica f. convoluta H.H. Gran image
- Fragilaria oceanica f. torta H.H. Gran image
- Fragilaria oceanica var. acuta B.V. Skvortzov image
- Fragilaria oceanica var. japonica B.V. Skvortzov image
- Fragilaria odeloucaensis E. Morales, M.H. Novais, C.E. Wetzel, L. Ector & M.M. Morais
- Fragilaria oldenburgiana F. Hustedt image
- Fragilaria oldenburgiana Hustedt
- Fragilaria oldenburgioides H. Lange-Bertalot
- Fragilaria opacolineata H. Lange-Bertalot
- Fragilaria opephoroides H. Takano {invalid}
- Fragilaria ostenfeldii (Willi Krieger) Van de Vijver, E.E. Alexson & E.D. Reavie
- Fragilaria oxyptera - - image
- Fragilaria oxyrhombus C.G. Ehrenberg image
- Fragilaria pacifica A. Grunow image
- Fragilaria pacifica Grunow
- Fragilaria pacifica var. trigona Brun & Héribaud
- Fragilaria pacifica var. trigona J.-J. Brun & J. Heribaud image
- Fragilaria paludosa (Meister) H. Lange-Bertalot & S. Ulrich
- Fragilaria pantocsekii A. Cleve-Euler {illegitimate}
- Fragilaria paradoxa C.G. Ehrenberg image
- Fragilaria paradoxa C.G. Ehrenberg image
- Fragilaria paradoxa Ehrenberg
- Fragilaria pararumpens Lange-Bertalot, G. Hofmann & M. Werum
- Fragilaria parasitica (W. Smith) Heiberg
- Fragilaria parasitica (W. Smith) P.A.C. Heiberg image
- Fragilaria parasitica f. constricta Ant. Mayer image
- Fragilaria parasitica f. genuina Ant. Mayer image
- Fragilaria parasitica f. rhomboidalis Ant. Mayer image
- Fragilaria parasitica var. asterionelloides F. Meister image
- Fragilaria parasitica var. genuina Ant. Mayer image
- Fragilaria parasitica var. subconstricta A. Grunow image
- Fragilaria parasitica var. subconstricta Grunow
- Fragilaria parasitica var. trigona A. Grunow image
- Fragilaria parasitica var. trigona Grunow
- Fragilaria parva (Van Heurck) A. Tuji & D.M. Williams
- Fragilaria patagonica (Cleve) De Toni
- Fragilaria patagonica var. rostrata O. Müller image
- Fragilaria pectinalis (O.F. Müller) H.C. Lyngbye image
- Fragilaria pectinalis (O.F. Müller) Lyngbye
- Fragilaria pectinalis C.G. Ehrenberg image
- Fragilaria pectinalis var. hyemalis (Roth) L.A. Brebisson image
- Fragilaria pectinalis var. hyemalis (Wallroth) Brébisson
- Fragilaria pectinalis var. undulata J. Ralfs image
- Fragilaria pectinalis var. undulata Ralfs
- Fragilaria pectinata C.G. Ehrenberg image
- Fragilaria pediculata A.I. Proshkina-Lavrenko image
- Fragilaria pelagica C.G. Ehrenberg image
- Fragilaria pellucida Lohman & Andrews image
- Fragilaria pelta M.H. Hohn & J. Hellerman image
- Fragilaria pennsylvanica E.A. Morales
- Fragilaria peragalloi J. Pantocsek image
- Fragilaria peragalloi_('Peragalli') J. Frenguelli image
- Fragilaria perdelicatissima Lange-Bertalot & Van de Vijver
- Fragilaria pettyorum J.P. Kociolek, R.L. Lowe, K. Sánchez, & J.G. Stepanek
- Fragilaria phantasma (M.H. Hohn) C.E. Wetzel, M. Potapova & D.M. Williams
- Fragilaria pinnata C.G. Ehrenberg image
- Fragilaria pinnata Ehrenberg
- Fragilaria pinnata f. brevistriata J. Frenguelli image
- Fragilaria pinnata f. minor J. Frenguelli image
- Fragilaria pinnata f. minuta Ant. Mayer image
- Fragilaria pinnata f. opephoroides J. Frenguelli image
- Fragilaria pinnata f. subcapitata P. Fusey image
- Fragilaria pinnata subsp. clevei (J. Pantocsek) G.W.F. Carlson image
- Fragilaria pinnata subsp. elliptica (J. Schumann) G.W.F. Carlson image
- Fragilaria pinnata var. acuminata A. Mayer
- Fragilaria pinnata var. baikalensis B.V. Skvortzov image
- Fragilaria pinnata var. capitata W. Krieger
- Fragilaria pinnata var. elliptica (J. Schumann) G.W.F. Carlson image
- Fragilaria pinnata var. inflata Ant. Mayer image
- Fragilaria pinnata var. intercedens (A. Grunow) J. Frenguelli image
- Fragilaria pinnata var. lancettula (J. Schumann) F. Hustedt image
- Fragilaria pinnata var. lancettula (Schumann) Hustedt
- Fragilaria pinnata var. lapponica (A. Grunow) J. Frenguelli image
- Fragilaria pinnata var. linearis Pantocsek
- Fragilaria pinnata var. ovalis Pantocsek
- Fragilaria pinnata var. parallela Ant. Mayer image
- Fragilaria pinnata var. perlonga J. Frenguelli image
- Fragilaria pinnata var. primigenia Manguin
- Fragilaria pinnata var. robusta E.E. Manguin image
- Fragilaria pinnata var. subcapitata Frenguelli
- Fragilaria pinnata var. subrotunda A. Mayer
- Fragilaria pinnata var. subsolitaris (Grunow) A. Mayer
- Fragilaria pinnata var. tetragona J. Frenguelli image
- Fragilaria pinnata var. trigona (Brun & Héribaud) Hustedt
- Fragilaria pinnata var. trigona (L.A. Brebisson & J. Heribaud) F. Hustedt image
- Fragilaria pinnata var. ventriculosa A. Mayer
- Fragilaria pinnatoides B.J. Cholnoky image
- Fragilaria pinnulata C.G. Ehrenberg image
- Fragilaria planctonica H. Heiden image
- Fragilaria planctonica Heiden
- Fragilaria pliocena J.-J. Brun image
- Fragilaria pliocena f. curvata A. Amosse image
- Fragilaria pliocena var. acutaforma J.-J. Brun image
- Fragilaria pliocena var. europaea A. Cleve-Euler image
- Fragilaria polonica M. Witak & H. Lange-Bertalot
- Fragilaria polyedra C.G. Ehrenberg image
- Fragilaria polyedra Ehrenberg
- Fragilaria polygonata A. Cleve-Euler
- Fragilaria pomerooni C.G. Ehrenberg image
- Fragilaria poretzkyana R.M. Gogorev & E.Y. Kapitonova
- Fragilaria poretzkyana var. rivalis R.M. Gogorev & E.Y. Kapitonova
- Fragilaria prae-chankensis Z. Jouse image
- Fragilaria praeleptostauron M. Hajós image
- Fragilaria praeleptostauron f. rockefelleri_('rockefellerii') M. Hajós image
- Fragilaria producta (Lagerstedt) Grunow
- Fragilaria producta (N.G.W. Lagerstedt) A. Grunow image
- Fragilaria producta f. distans A. Mayer
- Fragilaria producta var. bohemica A. Grunow image
- Fragilaria producta var. bohemica Grunow
- Fragilaria prolongata (Grunow) B. Van de Vijver, C.E. Wetzel, W.-H. Kusber & L. Ector
- Fragilaria pseudoatomus E.E. Manguin image
- Fragilaria pseudoconstruens B. Marciniak
- Fragilaria pseudoconstruens var. bigibba B. Marciniak
- Fragilaria pseudoconstruens var. rhombica B. Marciniak
- Fragilaria pseudocylindrus E. Manguin ex Kociolek & Reviers
- Fragilaria pseudocylindrus E. Manguin {invalid}
- Fragilaria pseudocylindrus E.E. Manguin image
- Fragilaria pseudofamiliaris B. Van de Vijver, T.M. Schuster, W. Kusber & D.M. Williams
- Fragilaria pseudogaillonii H. Kobayasi & M. Idei image
- Fragilaria pseudolanceolata J. Pantocsek image
- Fragilaria pseudomesolepta V.S. Poretzky
- Fragilaria pteridium C.G. Ehrenberg image
- Fragilaria pulchella (J. Ralfs) H. Lange-Bertalot image
- Fragilaria pulchella var. constricta (Liebetanz) A. Witkowski, H. Lange-Bertalot & D. Metzeltin
- Fragilaria pulchella var. lanceolata (O'Meara) M. Poulin, L. Bérard-Therriault, & A. Cardinal
- Fragilaria pulchella var. macrocephala (Grunow) M. Poulin, L. Bérard-Therriault, & A. Cardinal
- Fragilaria punctata J. John
- Fragilaria punctato-striata E.E. Manguin image
- Fragilaria punctiformis A. Witkowski & D. Metzeltin {invalid}
- Fragilaria pusilla F.T. Kützing image
- Fragilaria quadrata (Hustedt) H. Lange-Bertalot & D. Metzeltin
- Fragilaria quebecensis (M. Poulin, C. Hudon & A. Cardinal) A. Witkowski, H. Lange-Bertalot & D. Metzeltin
- Fragilaria radians (F.T. Kützing) D.M. Williams & F.E. Round image
- Fragilaria radians (Kützing) D.M. Williams & F.E. Round
- Fragilaria radians (Kützing) Lange-Bertalot
- Fragilaria radiantifalsa B. Van de Vijver & D.M. Williams
- Fragilaria recapitellata H. Lange-Bertalot & D. Metzeltin
- Fragilaria reicheltii (Max Voigt) Lange-Bertalot {invalid}
- Fragilaria reicheltii (Max Voigt) Lange-Bertalot {invalid}
- Fragilaria rhabdosoma C.G. Ehrenberg image
- Fragilaria rhabdosoma Ehrenberg
- Fragilaria rhabdosoma va. setacea C.G. Ehrenberg image
- Fragilaria rhodana M.H. Hohn & J. Hellerman image
- Fragilaria rhombica (E. O'Meara) H. Heiden image
- Fragilaria rhombica Cleve image
- Fragilaria rhombica E.V. Østrup image
- Fragilaria rhombica f. minima O.G. Kozlova image
- Fragilaria rhombus (Ehrenberg) Migula {illegitimate}
- Fragilaria rhombus C.G. Ehrenberg image
- Fragilaria rhombus Ehrenberg
- Fragilaria riesgoviensis Schauderna
- Fragilaria rinoi F.P. Almeida & C. Delgado
- Fragilaria robusta F. Hustedt image
- Fragilaria rolandschmidtii D. Metzeltin & H. Lange-Bertalot
- Fragilaria rostrata J. Pantocsek image
- Fragilaria rotundata C.G. Ehrenberg image
- Fragilaria rotundissima P.E. Hargraves & R.R.L. Guillard image
- Fragilaria rumpens (F.T. Kützing) G.W.F. Carlson image
- Fragilaria rumpens var. familaris (F.T. Kützing) A.Cleve-Euler image
- Fragilaria rumpens var. familiaris (Kützing) Cleve-Euler
- Fragilaria rumpens var. meneghiniana (A. Grunow) H.P. Gandhi image
- Fragilaria salina F.T. Kützing image
- Fragilaria salvadoriana K.J. Krahn & C.E. Wetzel
- Fragilaria sandellii B. Van de Vijver & A. Jarlman
- Fragilaria santaremensis D. Metzeltin & H. Lange-Bertalot
- Fragilaria saxoplanctonica H. Lange-Bertalot & S. Ulrich
- Fragilaria scalaris C.G. Ehrenberg image
- Fragilaria schroeteri (Meister) H. Lange-Bertalot & S. Ulrich
- Fragilaria schulzii_('schulzi') C. Brockmann image
- Fragilaria schulzii_(`schulzi') C. Brockmann
- Fragilaria schwartziana A. Grunow image
- Fragilaria schwarzii Grunow
- Fragilaria scotica (Grunow) B. Van de Vijver, C.E. Wetzel & L. Ector
- Fragilaria seminuda C.G. Ehrenberg image
- Fragilaria seminulum C.G. Ehrenberg image
- Fragilaria semseyana J. Pantocsek & P. Greguss image
- Fragilaria sepes C.G. Ehrenberg image
- Fragilaria sepes Ehrenberg
- Fragilaria septentrionalis (Østrup) B. Van de Vijver, C.E. Wetzel & L. Ector
- Fragilaria sepulta J. Pantocsek image
- Fragilaria shandongensis J.-Y. Li
- Fragilaria shiloi J.J. Lee, C.W. Reimer & M.E. McEnery image
- Fragilaria shiloi J.J. Lee, C.W. Reimer, & M.E. McEnery
- Fragilaria siamensis E.V. Østrup image
- Fragilaria silendum Hohn & Hellerman
- Fragilaria silendum M.H. Hohn & J. Hellerman image
- Fragilaria similis G. Krasske image
- Fragilaria siolii F. Hustedt image
- Fragilaria siolii Hustedt
- Fragilaria skvorzowii Z. Jouse image
- Fragilaria smithiana A. Grunow image
- Fragilaria socia (J.H. Wallace) H. Lange-Bertalot image
- Fragilaria somalica J. Frenguelli image
- Fragilaria sopotensis A. Witkowski & H. Lange-Bertalot
- Fragilaria spectra P.D. Almeida, E. Morales & C.E. Wetzel
- Fragilaria spicula Mereschkowsky image
- Fragilaria spinarum H. Lange-Bertalot & D. Metzeltin
- Fragilaria spinaspeciosa H. Lange-Bertalot & M. Cantonati
- Fragilaria spinosa B.V. Skvortzov image
- Fragilaria spinosa Skvortzov
- Fragilaria spinulifera F. Hustedt image
- Fragilaria spinulosa Patrick
- Fragilaria spinulosa R.M. Patrick image
- Fragilaria stauroneidea J. Schumann image
- Fragilaria strangulata (V. Zanon) F. Hustedt image
- Fragilaria strangulata f. constricta N. Woodhead & R.D. Tweed image
- Fragilaria strangulata f. inflata (V. Zanon) F. Hustedt image
- Fragilaria strelnikovae S.I. Genkal & M.I. Yarushina
- Fragilaria striata C.G. Ehrenberg image
- Fragilaria striatula H.C. Lyngbye image
- Fragilaria striatula P.K.A. Schousboe image
- Fragilaria striolata C.G. Ehrenberg image
- Fragilaria striolata C.G. Ehrenberg image
- Fragilaria striolata C.G. Ehrenberg image
- Fragilaria stylidium C.G. Ehrenberg image
- Fragilaria stylus C.G. Ehrenberg image
- Fragilaria subcapitata E. Messikommer image
- Fragilaria subconstricta E.V. Østrup image
- Fragilaria sublika M.H. Hohn & J. Hellerman image
- Fragilaria sublinearis H.F. Van Heurck image
- Fragilaria sublinearis f. lata H.F. Van Heurck image
- Fragilaria sublinearis f. longa H.F. Van Heurck image
- Fragilaria sublinearis var. ambigua M. Peragallo image
- Fragilaria sublineata F. Hustedt image
- Fragilaria submicroscopica F.R. Schoeman image
- Fragilaria submicroscopica F.R. Schoeman image
- Fragilaria submicroscopica F.R. Schoeman {invalid}
- Fragilaria suboldenburgiana K.E. Camburn & D.F. Charles
- Fragilaria subrecapitellata B. Van de Vijver, J. Hürlimann, D.M. Williams, C.E. Wetzel & L. Ector
- Fragilaria subsalina (Grunow) Lange-Bertalot
- Fragilaria subsalina (Grunow) Lange-Bertalot {invalid}
- Fragilaria sundaysensis R.E.M. Archibald image
- Fragilaria surirella C.G. Ehrenberg image
- Fragilaria swartzii A. Grunow image
- Fragilaria swartzii Grunow
- Fragilaria synedra C.G. Ehrenberg image
- Fragilaria synegrotesca Lange-Bertalot
- Fragilaria syriaca C.G. Ehrenberg image
- Fragilaria tabulata (C.A. Agardh) H. Lange-Bertalot image
- Fragilaria tabulata var. australis (E.E. Manguin) H. Lange-Bertalot image
- Fragilaria tabulata var. obtusa (J. Pantocsek) H. Lange-Bertalot image
- Fragilaria tabulata var. parva (F.T. Kützing) H. Lange-Bertalot image
- Fragilaria tabulata var. tenuistriata (F. Meister) H. Lange-Bertalot image
- Fragilaria tabulata var. truncata (R.K. Greville) H. Lange-Bertalot image
- Fragilaria tabulatoides B.J. Cholnoky image
- Fragilaria taenia C.G. Ehrenberg image
- Fragilaria taeniaeformis (J.E. Smith) S.F. Gray image
- Fragilaria taiaensis J.R. Carter & P. Denny image
- Fragilaria telum J.R. Carter & P. Denny
- Fragilaria tenera (W. Smith) H. Lange-Bertalot image
- Fragilaria tenera var. lemanensis J.C. Druart, S. Lavigne, & M. Robert
- Fragilaria tenera var. nanana (H. Lange-Bertalot) H. Lange-Bertalot & S. Ulrich
- Fragilaria tenerrima P.A.C. Heiberg image
- Fragilaria tenuicollis P.A.C. Heiberg image
- Fragilaria tenuicollis var. antarctica West & G.S. West
- Fragilaria tenuicollis var. antarctica West & West image
- Fragilaria tenuis A. Jurilj image
- Fragilaria tenuis C.A. Agardh image
- Fragilaria tenuissima H. Lange-Bertalot & S. Ulrich
- Fragilaria tenuistriata E.V. Østrup image
- Fragilaria tessella C.G. Ehrenberg image
- Fragilaria thermalis C.G. Ehrenberg image
- Fragilaria thingvellirensis B. Van de Vijver & G.S. Jónsson
- Fragilaria toxoneides (Castracane) H. Lange-Bertalot
- Fragilaria trachea C.G. Ehrenberg image
- Fragilaria trachea C.G. Ehrenberg image
- Fragilaria transylvanica J. Pantocsek image
- Fragilaria triangulata Moiseeva image
- Fragilaria tridentina M. Cantonati & H. Lange-Bertalot
- Fragilaria trigibba J. Pantocsek image
- Fragilaria trinodis C.G. Ehrenberg image
- Fragilaria trinodis C.G. Ehrenberg image
- Fragilaria triundulata A.Ya. Saveleva-Dolgova image
- Fragilaria triundulata E.V. Østrup image
- Fragilaria truncata (Greville) B. Van de Vijver & D.M. Williams
- Fragilaria turgens C.G. Ehrenberg image
- Fragilaria turgidula C.G. Ehrenberg image
- Fragilaria ulna (C.L. Nitzsch) H. Lange-Bertalot image
- Fragilaria ulna var. acus (F.T. Kützing) H. Lange-Bertalot image
- Fragilaria ulna var. aequalis (Kützing) Pankow, Haendel & Richter {invalid}
- Fragilaria ulna var. amphirhynchus (Ehrenberg) Kalinsky
- Fragilaria ulna var. amphirhynchus (Ehrenberg) N. Herbst & N.I. Maidana {invalid}
- Fragilaria ulna var. amphyrhynchus (C.G. Ehrenberg) N. Herbst & N.I. Maidana image
- Fragilaria ulna var. biceps (Kützing) P. Compère
- Fragilaria ulna var. danica (Kützing) Kalinsky
- Fragilaria ulna var. goulardi (L.A. Brebisson) H. Lange-Bertalot image
- Fragilaria ulna var. goulardii_('goulardi') (Brébisson ex Cleve & Grunow) Lange-Bertalot
- Fragilaria ulna var. ungeriana (A. Grunow) H. Lange-Bertalot image
- Fragilaria undata W. Smith
- Fragilaria undata f. panduraeformis G.L. Rabenhorst image
- Fragilaria undata f. stricta A. Cleve
- Fragilaria undata f. tetranodis A. Cleve
- Fragilaria undata f. trinodis (Hustedt) Woodhead & Tweed
- Fragilaria undata var. brasiliensis Zimmermann image
- Fragilaria undata var. lobata R.M. Patrick image
- Fragilaria undata var. quadrata F. Hustedt image
- Fragilaria undata var. quadrata Hustedt
- Fragilaria undulata C.E. Cramer {illegitimate}
- Fragilaria undulata C.G. Ehrenberg image
- Fragilaria undulata Corda
- Fragilaria undulata Cramer image
- Fragilaria undulata Ehrenberg
- Fragilaria ungeriana A. Grunow image
- Fragilaria ungeriana Grunow
- Fragilaria unipunctata H.C. Lyngbye image
- Fragilaria utermoehlii (Hustedt) Lange-Bertalot
- Fragilaria utermoehlii (Hustedt) Lange-Bertalot {invalid}
- Fragilaria vandekerckhoveana B. Van de Vijver
- Fragilaria vandevondeliana B. Van de Vijver & L. Ector
- Fragilaria vanheurckii var. distans A. Cleve-Euler image
- Fragilaria vanheurckii_('Van Heurckii') A. Cleve-Euler image
- Fragilaria vanheurckii_('Van Heurckii') M. Peragallo image
- Fragilaria vanheurckii_('Van Heurckii') M. Peragallo image
- Fragilaria vaucher - - image
- Fragilaria vaucheriae (F.T. Kützing) J.B. Petersen image
- Fragilaria vaucheriae f. contorta R.L. Lowe
- Fragilaria vaucheriae var. capitellata (Grunow) R. Ross image
- Fragilaria vaucheriae var. elliptica E. Manguin ex Kociolek & Reviers
- Fragilaria vaucheriae var. elliptica E. Manguin {invalid}
- Fragilaria vaucheriae var. elliptica E.E. Manguin image
- Fragilaria vaucheriae var. kamtchatica J.B. Petersen
- Fragilaria vaucheriae var. lohmanii M.E. Benson & J.P. Kociolek
- Fragilaria vaucheriae var. longissima E.E. Manguin image
- Fragilaria vaucheriae var. longissima É. Manguin
- Fragilaria vaucheriae var. manguinii R. Le Cohu image
- Fragilaria vaucheriae var. parvula (F.T. Kützing) A. Cleve-Euler image
- Fragilaria vaucheriae var. perminuta (Grunow) E.G. Jørgensen image
- Fragilaria vaucheriae var. tenuis E.E. Manguin image
- Fragilaria vaucheriae var. tenuis É. Manguin
- Fragilaria vaucheriae var. truncata (Greville) E.F. Stoermer & J.J. Yang {invalid}
- Fragilaria vaucheriae var. villeretii_('villereti') R. Le Cohu image
- Fragilaria vaucheriaefalsa B. Van de Vijver & D.M. Williams
- Fragilaria vaucheriaeraetica M. Cantonati & H. Lange-Bertalot
- Fragilaria vaucheriaerobusta B. Van de Vijver, C.E. Wetzel & L. Ector
- Fragilaria venetiana B.J. Cholnoky image
- Fragilaria venter C.G. Ehrenberg image
- Fragilaria venter C.G. Ehrenberg image
- Fragilaria venter C.G. Ehrenberg image
- Fragilaria venter C.G. Ehrenberg image
- Fragilaria venter Ehrenberg
- Fragilaria ventralis C.G. Ehrenberg image
- Fragilaria ventricosa C.G. Ehrenberg image
- Fragilaria ventriculus C.G. Ehrenberg image
- Fragilaria viereckiana Gerd Moser
- Fragilaria vinaninkarenae Manguin
- Fragilaria virescens J. Ralfs image
- Fragilaria virescens f. angustata E.E. Manguin image
- Fragilaria virescens f. clavata A. Grunow image
- Fragilaria virescens f. clavata Grunow
- Fragilaria virescens f. curta A. Cleve-Euler image
- Fragilaria virescens f. curta A. Mayer
- Fragilaria virescens f. elongata M. Peragallo & J. Heribaud image
- Fragilaria virescens f. major J. Frenguelli image
- Fragilaria virescens f. nipponica B.V. Skvortzov image
- Fragilaria virescens f. parva "Kützing" image
- Fragilaria virescens f. paucicostata Thomas & E.A. Gonzalves image
- Fragilaria virescens f. sphaerophora A. Cleve-Euler image
- Fragilaria virescens var. acicularis B.V. Skvortzov image
- Fragilaria virescens var. acuminata A. Mayer
- Fragilaria virescens var. acuta G. Istvanfy de Csík Madefalva image
- Fragilaria virescens var. balatonis G. Istvanfy de Csík Madefalva image
- Fragilaria virescens var. birostrata A. Mayer
- Fragilaria virescens var. capitata E.V. Østrup image
- Fragilaria virescens var. capitata G. Krasske image
- Fragilaria virescens var. capitata Østrup
- Fragilaria virescens var. diatomacea A. Grunow image
- Fragilaria virescens var. elliptica F. Hustedt image
- Fragilaria virescens var. elliptica F. Hustedt image
- Fragilaria virescens var. elliptica Hustedt
- Fragilaria virescens var. elongata Héribaud image
- Fragilaria virescens var. exigua A. Grunow image
- Fragilaria virescens var. exigua Grunow
- Fragilaria virescens var. fuegiana J. Frenguelli image
- Fragilaria virescens var. genuina Ant. Mayer image
- Fragilaria virescens var. halophila E. Liebetanz image
- Fragilaria virescens var. inflata (Heiden) P. Schulz
- Fragilaria virescens var. lata O. Müller image
- Fragilaria virescens var. linearis B.V. Skvortzov image
- Fragilaria virescens var. mesolepta (Rabenhorst) Schönfeldt
- Fragilaria virescens var. nipha M.H. Hohn & J. Hellerman image
- Fragilaria virescens var. nipponica (B.V. Skvortzov) B.V. Skvortzov & M. Noda image
- Fragilaria virescens var. obesa A. Lauby image
- Fragilaria virescens var. oblongella A. Grunow image
- Fragilaria virescens var. oblongella Grunow
- Fragilaria virescens var. obtusa B.V. Skvortzov image
- Fragilaria virescens var. quebecensis M. Poulin, C. Hudon, & A. Cardinal
- Fragilaria virescens var. rostratus B.V. Skvortzov image
- Fragilaria virescens var. subsalina A. Grunow image
- Fragilaria virescens var. subsalina Grunow
- Fragilaria virescens var. torus M.H. Hohn & J. Hellerman image
- Fragilaria virescens var. undata (W. Smith) A. Grunow image
- Fragilaria virescens var. undatiformis A. Mayer
- Fragilaria virescens var. undulata H. Okuno
- Fragilaria virescens var. ventricosa M. Peragallo & J. Heribaud image
- Fragilaria vitrea (F.T. Kützing) A. Grunow image
- Fragilaria vitrea var. arcuata K.S. Mereschkowsky image
- Fragilaria vitrea var. minima (J. Ralfs) A. Grunow image
- Fragilaria vitrea var. minima (Ralfs) Grunow
- Fragilaria voeringia J. Fenner
- Fragilaria vulgaris C.G. Ehrenberg image
- Fragilaria vulgaris var. subundulata B.V. Skvortzov image
- Fragilaria walkerarnottiana B. Van de Vijver & D.M. Williams
- Fragilaria woerthensis Ant. Mayer image
- Fragilaria zafarii P.T. Sarode & N.D. Kamat image
- Fragilaria zasuminensis I. Cabejszekówna image
- Fragilaria zeilleri J. Heribaud image
- Fragilaria zeilleri f. anomala E.V. Østrup image
- Fragilaria zeilleri f. anomala J. Heribaud image
- Fragilaria zeilleri var. africana F. Gasse {invalid}
- Fragilaria zeilleri var. densestriata J. Heribaud image
- Fragilaria zeilleri var. elliptica F. Gasse
- Fragilaria zeilleri var. nitzschioides J. Heribaud image
- Melotomus fragilaria Corda
- NEOFRAGILARIA T.V. Desikachary, A.K.S.K. Prasad & P. Prema image
- NEOFRAGILARIA Williams & Round image
- Neofragilaria acidobiontica (D.F. Charles) D. Williams & Round
- Neofragilaria anomala (Giffen) A. Witkowski & P. Dabek
- Neofragilaria bicapitata (A. Mayer) Williams & Round
- Neofragilaria constricta (Ehrenberg) Williams & Round image
- Neofragilaria lata (Cleve-Euler) Williams & Round image
- Neofragilaria lineata A. Witkowski & P. Dabek {illegitimate}
- Neofragilaria montgomeryi_('montgomeryii') M. Ashworth & Chunlian Li
- Neofragilaria nicobarica Desikachary, Prasad, & Prema image
- Neofragilaria stilus M. Krzywda, A. Witkowski & Chunlian Li
- Neofragilaria strangulata (Zanon) Williams & Round image
- Neofragilaria virescens (Ralfs) Williams & Round image
- Neofragilaria virescens var. oblongella (Grunow) L.N. Bukhtiyarova
- Stichostaura fragilaria Ehrenberg image
- Synedra amphirhynchus var. fragilariaeformis F.E. Fritsch & M.F. Rich image
- Synedra amphirhynchus var. fragilariiformis_('fragilariaeformis') F.E. Fritsch & M.F. Rich
- Ulnaria fragilariiformis_('fragilariaeformis') (F.E. Fritsch & M.F. Rich) D.M. Williams