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Publication: Stoermer, E. F., R. G. Kreis, Jr., and N. A. Andresen 1999 Checklist of Diatoms from the Laurentian Great Lakes, II Journal of Great Lakes Research, vol. 25, no. 3 515-566

ITIS records citing this publication
 
 Kingdom Chromista
  Acanthoceras zachariasii (Brun) Simonsen -- accepted
  Achnanthes affinis Grunow -- not accepted
  Achnanthes altaica (Poretzky) A. Cleve -- not accepted
  Achnanthes amoena Hust. -- accepted
  Achnanthes atacamae Hust. -- accepted
  Achnanthes biasolettiana (Kütz.) Grunow -- accepted
  Achnanthes bioreti Germain -- not accepted
  Achnanthes brevipes C. Agardh -- accepted
  Achnanthes brevipes var. intermedia (Kütz.) Cleve -- not accepted
  Achnanthes calcar Cleve -- not accepted
  Achnanthes clevei Grunow -- not accepted
  Achnanthes clevei var. clevei Grunow -- not accepted
  Achnanthes clevei var. rostrata Hust. -- accepted
  Achnanthes coarctata (Bréb.) Grunow -- accepted
  Achnanthes conspicua Mayer -- accepted
  Achnanthes deflexa C. W. Reimer in Patrick & Reimer -- accepted
  Achnanthes delicatula (Kütz.) Grunow -- not accepted
  Achnanthes depressa (Cleve) Hust. -- accepted
  Achnanthes detha M. H. Hohn & Hellerm. -- not accepted
  Achnanthes didyma Hust. -- not accepted
  Achnanthes dispar Cleve -- accepted
  Achnanthes dispar var. angulata Hust. -- accepted
  Achnanthes dispar var. fontellii A. Cleve -- accepted
  Achnanthes duthii Screen. -- not accepted
  Achnanthes elliptica var. elongata A.Cleve -- accepted
  Achnanthes exigua Grunow -- not accepted
  Achnanthes exigua var. constricta (Grunow) Hust. -- accepted
  Achnanthes exigua var. exigua Grunow -- not accepted
  Achnanthes exigua var. heterovalva Krasske -- not accepted
  Achnanthes exilis Kütz. -- not accepted
  Achnanthes flexella (Kütz.) Brun -- not accepted
  Achnanthes flexella var. alpestris Brun. -- not accepted
  Achnanthes flexella var. flexella (Kütz.) Brun -- not accepted
  Achnanthes gibberula Grunow -- not accepted
  Achnanthes gracillima Hust. emend. Foged -- accepted
  Achnanthes gracillima var. nipponica Sovereign -- accepted
  Achnanthes hauckiana Grunow -- not accepted
  Achnanthes hauckiana var. hauckiana Grunow -- not accepted
  Achnanthes hettensis A. Cleve -- accepted
  Achnanthes hungarica (Grunow) Grunow -- not accepted
  Achnanthes incognita Krasske -- accepted
  Achnanthes joursacense Hérib. -- accepted
  Achnanthes kolbei Hust. -- not accepted
  Achnanthes kryophila J. B. Petersen -- not accepted
  Achnanthes kryophila var. kryophila J. B. Petersen -- not accepted
  Achnanthes lanceolata (Bréb.) Grunow -- not accepted
  Achnanthes lanceolata var. dubia Grunow -- not accepted
  Achnanthes lanceolata var. elliptica Cleve -- not accepted
  Achnanthes lanceolata var. genuina Mayer -- not accepted
  Achnanthes lanceolata var. haynaldii (Schaarsch.) Cleve -- not accepted
  Achnanthes lanceolata var. lanceolata (Bréb.) Grunow -- not accepted
  Achnanthes lanceolata var. lanceolatoides (Sovereign) Reimer -- accepted
  Achnanthes lanceolata var. omissa Reimer -- not accepted
  Achnanthes lanceolatoides Sovereign -- not accepted
  Achnanthes lapidosa Krasske -- accepted
  Achnanthes lapponica (Hust.) Hust. -- not accepted
  Achnanthes lapponica var. lapponica (Hust.) Hust. -- not accepted
  Achnanthes lapponica var. ninckei (H. Guerm. & Mang.) C. W. Reimer -- not accepted
  Achnanthes laterostrata Hust. -- not accepted
  Achnanthes lauenburgiana Hust. -- not accepted
  Achnanthes lemmermannii Hust. -- accepted
  Achnanthes levanderi Hust. -- not accepted
  Achnanthes lewisiana R. M. Patrick -- not accepted
  Achnanthes linearis (W. Sm.) Grunow -- not accepted
  Achnanthes linearis var. linearis (W. Sm.) Grunow -- not accepted
  Achnanthes linearis var. pusilla Grunow -- not accepted
  Achnanthes marginulata Grunow -- not accepted
  Achnanthes microcephala (Kütz.) Grunow -- not accepted
  Achnanthes minutissima Kütz. -- not accepted
  Achnanthes minutissima var. minutissima Kütz. -- not accepted
  Achnanthes nodosa A. Cleve -- accepted
  Achnanthes nollii Bock -- accepted
  Achnanthes oestrupii (H. Bachm. & A. Cleve) Hust. -- not accepted
  Achnanthes peragalli Brun & Hérib. -- not accepted
  Achnanthes peragalli var. parvula (Patrick) Reimer -- accepted
  Achnanthes peragalli var. peragalli Brun & Hérib. -- not accepted
  Achnanthes pinnata Hust. -- accepted
  Achnanthes ploenensis Hust. -- not accepted
  Achnanthes procera Hust. -- accepted
  Achnanthes recurvata Hust. -- not accepted
  Achnanthes sublaevis Hust. -- not accepted
  Achnanthes sublaevis var. sublaevis Hust. -- not accepted
  Achnanthes subsaloides Hust. -- not accepted
  Achnanthes subsalsa J. B. Petersen -- accepted
  Achnanthes suchlandtii Hust. -- accepted
  Achnanthes thermalis (Rabenh.) Schönfeld -- accepted
  Achnanthes trinodis (W. Sm.) Grunow -- not accepted
  Achnanthes ventralis (Krasske) Lange-Bert. in Lange-Bert. & Krammer -- accepted
  Achnanthes wellsiae C. W. Reimer -- accepted
  Achnanthidium affine (Grunow) Czarn. -- accepted
  Achnanthidium bioreti (Germ.) M. B. Edlund -- not accepted
  Achnanthidium brevipes var. intermedia (Kütz.) Cleve -- accepted
  Achnanthidium clevei (Grunow in Cleve & Grunow) Czarn. -- not accepted
  Achnanthidium delicatulum Kütz. -- not accepted
  Achnanthidium duthii (Screen.) M. B. Edlund -- accepted
  Achnanthidium exiguum (Grunow) Czarn. -- accepted
  Achnanthidium exiguum var. heterovalvum (Krasske) Czarn. -- accepted
  Achnanthidium exilis (Kütz.) Bukht. -- accepted
  Achnanthidium flexellum (Kütz.) Bréb. -- not accepted
  Achnanthidium hauckianum (Grunow) Czarn. -- accepted
  Achnanthidium hungaricum Grunow -- accepted
  Achnanthidium kryophila (J. B. Petersen) Bukht. -- accepted
  Achnanthidium lanceolata var. haynaldii (Schaarsch.) Cleve -- accepted
  Achnanthidium lanceolatum Bréb. in Kütz. -- accepted
  Achnanthidium lanceolatum var. elliptica Cleve -- accepted
  Achnanthidium lanceolatum var. genuinum Mayer -- accepted
  Achnanthidium levanderi (Hust.) Czarn. -- accepted
  Achnanthidium lineare W. Sm. -- not accepted
  Achnanthidium microcephalum (Kütz.) vide Rabenh. -- accepted
  Achnanthidium minutissimum (Kütz.) Czarn. -- accepted
  Achnanthidium peragalli Brun & Hérib. in Hérib. -- accepted
  Achnanthidium trinodis Arnott ex Ralfs in Pritchard -- accepted
  Actinocyclus niagarae H. L. Sm. -- not accepted
  Actinocyclus normanii (W. Greg.) Hust. -- accepted
  Actinocyclus normanii f. subsala (Juhl.-Dannf.) Hust. -- accepted
  Actinocyclus normanii var. normanii (W. Greg.) Hust. -- accepted
  Amphipleura arctica R. M. Patrick & Freese -- accepted
  Amphipleura kriegeriana (Krasske) Hust. -- accepted
  Amphipleura pellucida (Kützing) Kützing -- accepted
  Amphipleura sigmoida W. Sm. -- not accepted
  Amphiprora alata (Ehrenb.) Kütz. -- not accepted
  Amphiprora calumetica B. W. Thomas in B. W. Thomas & H. H. Chase -- not accepted
  Amphiprora ornata J. W. Bail. -- not accepted
  Amphiprora paludosa W. Sm. -- not accepted
  Amphiprora paludosa var. paludosa W. Sm. -- not accepted
  Amphitropis ornata (J. W. Bail.) Grunow -- not accepted
  Amphora bullatoides M. H. Hohn & Hellerm. -- accepted
  Amphora calumetica (B. W. Thomas ex Wolle) M. Perag. -- accepted
  Amphora coffeaeformis (C. Agardh) Kütz. -- accepted
  Amphora coffeaeformis var. acutiuscula (Kütz.) Hust. -- accepted
  Amphora coffeaeformis var. coffeaeformis (C. Agardh) Kütz. -- accepted
  Amphora commutata Grunow -- accepted
  Amphora crucifera A. Cleve -- not accepted
  Amphora cruciferoides Stoermer & J. J. Yang -- accepted
  Amphora delicatissima Krasske -- accepted
  Amphora exigua W. Greg. -- accepted
  Amphora fonticola Maill. -- accepted
  Amphora gigas Ehrenb. -- accepted
  Amphora hemicycla Stoermer & J. J. Yang -- accepted
  Amphora huronensis Stoermer & J. J. Yang -- accepted
  Amphora inariensis Krammer -- accepted
  Amphora libyca Ehrenb. -- not accepted
  Amphora michiganensis Stoermer & J. J. Yang -- accepted
  Amphora montana Krasske -- accepted
  Amphora neglecta Stoermer & J. J. Yang -- accepted
  Amphora normanii Rabenh. -- accepted
  Amphora oligotraphenta Lange-Bert. in Lange-Bertalot & Metzeltin -- accepted
  Amphora ovalis (Kütz.) Kütz. -- accepted
  Amphora ovalis var. affinis (Kütz.) Van Heurck ex DeToni -- accepted
  Amphora ovalis var. constricta Skvortzow -- accepted
  Amphora ovalis var. gracilis (Ehrenb.) Van Heurck -- not accepted
  Amphora ovalis var. libyca (Ehrenb.) Cleve -- not accepted
  Amphora ovalis var. minutissima (W. Sm.) Hurter -- not accepted
  Amphora ovalis var. ovalis (Kütz.) Kütz. -- accepted
  Amphora ovalis var. pediculus (Kützing) Van Heurck -- not accepted
  Amphora parallelistriata Mang. -- accepted
  Amphora perpusilla (Grunow) Grunow in Van Heurck -- accepted
  Amphora rotunda Skvortsov -- accepted
  Amphora sibirica Skvortsov & K. I. Mey. -- accepted
  Amphora subcostulata Stoermer & J. J. Yang -- accepted
  Amphora submontana Hust. -- accepted
  Amphora tenuistriata Mang. in Bourr. & Mang. -- accepted
  Amphora thumensis (Mayer) A. Cleve -- accepted
  Amphora veneta Kütz. -- accepted
  Amphora veneta var. capitata E. Y. Haw. -- not accepted
  Aneumastus minor (Hust.) Lange-Bert. -- accepted
  Aneumastus stroesei (Østrup) D. G. Mann in Round, Crawford & Mann -- accepted
  Aneumastus tusculus (Ehrenb.) D. G. Mann & Stickle in Round, Crawford & Mann -- accepted
  Anomoeoneis costata (Kütz.) Hust. -- accepted
  Anomoeoneis exilis (Kütz.) Cleve -- not accepted
  Anomoeoneis follis (Ehrenb.) Cleve -- not accepted
  Anomoeoneis sculpta (Ehrenb.) Cleve -- not accepted
  Anomoeoneis serians (Bréb.) Cleve -- not accepted
  Anomoeoneis serians var. brachysira (Bréb.) Hust. -- not accepted
  Anomoeoneis sphaerophora (Ehrenb.) Pfitzer -- accepted
  Anomoeoneis sphaerophora f. costata (Kütz.) A. M. Schmid -- not accepted
  Anomoeoneis sphaerophora var. sculpta (Ehrenb.) O. Müll. -- accepted
  Anomoeoneis sphaerophora var. sphaerophora (Ehrenb.) Pfitzer -- accepted
  Anomoeoneis styriaca (Grunow) Hust. -- not accepted
  Anomoeoneis vitrea (Grunow) R. Ross in Patrick and Reimer -- not accepted
  Anomoeoneis zellensis (Grunow) Cleve -- not accepted
  Anomoeoneis zellensis f. difficilis (Grunow) Hust. -- not accepted
  Asterionella bleakeleyi W. Sm. -- accepted
  Asterionella formosa Hass. -- accepted
  Asterionella formosa var. acaroides Lemm. -- accepted
  Asterionella formosa var. formosa Hass. -- accepted
  Asterionella formosa var. gracillima (Hantzsch) Grunow in Van Heurck -- accepted
  Asterionella formosa var. subtilis Grunow -- accepted
  Asterionella gracillima (Hantzsch) Heib. -- accepted
  Asterionella ralfsii W. Sm. -- accepted
  Attheya zachariasii Brun -- not accepted
  Aulacoseira agassizii (Ostenf.) Simonsen -- accepted
  Aulacoseira agassizii var. malayensis (Hust.) Simonsen -- accepted
  Aulacoseira alpigena (Grunow) Krammer -- accepted
  Aulacoseira ambigua (Grunow) Simonsen -- accepted
  Aulacoseira canadensis (Hust.) Simonsen -- accepted
  Aulacoseira distans (Ehrenb.) Simonsen -- accepted
  Aulacoseira distans var. alpigena (Grunow) Simonsen -- not accepted
  Aulacoseira distans var. limnetica (O. Müll.) Simonsen -- accepted
  Aulacoseira granulata (Ehrenb.) Simonsen -- accepted
  Aulacoseira granulata f. spiralis (Hust.) Czarn. & Reinke -- accepted
  Aulacoseira granulata var. angustissima (O. Müll.) Simonsen -- accepted
  Aulacoseira granulata var. angustissima f. spiralis (Hust.) Czarn. & Reinke -- not accepted
  Aulacoseira granulata var. muzzanensis (F. Meister) Simonsen -- accepted
  Aulacoseira islandica (O. Müll.) Simonsen -- accepted
  Aulacoseira italica (Ehrenb.) Simonsen -- accepted
  Aulacoseira lirata (Ehrenberg) Ross -- accepted
  Aulacoseira lirata var. alpigena (Grunow) E. Y. Haw. -- accepted
  Aulacoseira subarctica (O. Müll.) E. Y. Haw. -- accepted
  Bacillaria paradoxa Gmelin -- not accepted
  Bacillaria paxillifer (O. F. Müll.) Hendy -- accepted
  Biddulphia laevis Ehrenb. -- not accepted
  Brachysira brebissonii R. Ross in B. Hartley -- accepted
  Brachysira exilis (Kütz.) Round and D.G. Mann -- accepted
  Brachysira follis (Ehrenb.) R. Ross in B. Hartley -- accepted
  Brachysira serians (Brébisson) Round and D.G. Mann -- accepted
  Brachysira styriaca (Grunow) R. Ross in B. Hartley -- accepted
  Brachysira vitrea (Grunow) R. Ross in B. Hartley -- accepted
  Brachysira zellensis (Grunow) Round and D.G. Mann -- accepted
  Brachysira zellensis f. difficilis (Grunow in Van Heurck) P. B. Ham. in Hamilton, Poulin, Charles & Angell -- accepted
  Caloneis alpestris (Grunow) Cleve -- accepted
  Caloneis amphisbaena (Bory) Cleve -- accepted
  Caloneis bacillaris (W. Greg.) Cleve -- accepted
  Caloneis bacillaris var. bacillaris (Gregory) Cleve -- accepted
  Caloneis bacillaris var. thermalis (Grunow) Cleve -- accepted
  Caloneis bacillum (Grunow) Cleve -- accepted
  Caloneis bacillum var. fontinalis Hust. -- not accepted
  Caloneis bacillum var. lancettula (E. Schulz) Hust. -- not accepted
  Caloneis clevei (Lagerst.) Cleve -- accepted
  Caloneis clevei var. undulata Krasske -- accepted
  Caloneis fontinalis (Grunow) Lange-Bertalot and E. Reichardt in Lange-Bertalot and Metzeltin -- accepted
  Caloneis formosa W. Greg. -- accepted
  Caloneis hyalina Hust. -- accepted
  Caloneis lamella Zakrz. -- accepted
  Caloneis lancettula (E. Schulz) Lange-Bert. & Witkowski in Lange-Bertalot & Metzeltin -- accepted
  Caloneis leptosoma (Grunow) Krammer in Krammer and Lange-Bertalot -- accepted
  Caloneis lewisii R. M. Patrick -- accepted
  Caloneis lewisii var. lewisii R. M. Patrick -- accepted
  Caloneis liber (W. Smith) Cleve -- accepted
  Caloneis limosa (Kützing) R.M. Patrick -- accepted
  Caloneis limosa var. gibberula (Kütz.) Grunow -- accepted
  Caloneis limosa var. limosa (Kützing) R.M. Patrick -- accepted
  Caloneis limosa var. subinflata Grunow -- accepted
  Caloneis limosa var. undulata Grunow -- accepted
  Caloneis molaris (Grunow) Krammer in Krammer and Lange-Bertalot -- accepted
  Caloneis nubicola (Grunow) Cleve -- accepted
  Caloneis pulchra Messik. -- accepted
  Caloneis pulchra var. interrupta Gandhi -- accepted
  Caloneis pulchra var. pulchra Messik. -- accepted
  Caloneis schumanniana (Grunow) Cleve -- not accepted
  Caloneis schumanniana var. biconstricta Grunow -- not accepted
  Caloneis silicula (Ehrenb.) Cleve -- not accepted
  Caloneis silicula var. limosa (Kuetzing) Van Land. -- not accepted
  Caloneis silicula var. silicula (Ehrenb.) Cleve -- not accepted
  Caloneis silicula var. truncatula (Grunow) Cleve -- not accepted
  Caloneis tenuis (W. Greg.) Krammer in Krammer & Lange-Bert. -- accepted
  Caloneis undulata (W. Greg.) Krammer in Krammer & Lange-Bert. -- accepted
  Caloneis ventricosa (Ehrenb.) F. Meister -- accepted
  Caloneis ventricosa var. minuta (Grunow) R. M. Patrick -- accepted
  Caloneis ventricosa var. subundulata (Grunow) R. M. Patrick -- accepted
  Caloneis ventricosa var. truncatula (Grunow) F. Meister -- accepted
  Caloneis ventricosa var. ventricosa (Ehrenb.) F. Meister -- accepted
  Campylodiscus clypeus Ehrenb. -- accepted
  Campylodiscus cribrosus W. Sm. -- accepted
  Campylodiscus decorus Bréb. -- accepted
  Campylodiscus echensis Ehrenb. -- accepted
  Campylodiscus hibernicus Ehrenb. -- not accepted
  Campylodiscus noricus Ehrenb. -- accepted
  Campylodiscus noricus var. hibernicus (Ehrenb.) Grunow -- accepted
  Campylodiscus noricus var. noricus Ehrenb. -- accepted
  Capartogramma crucicula (Grunow) R. Ross -- accepted
  Catacombus gaillonii (Bory) D. M. Williams & Round -- not accepted
  Cavinula cocconeiformis (W. Greg. ex Grev.) D.G. Mann and Stickle in Round, R.M. Crawford and D.G. Mann -- accepted
  Cavinula intractata (Hustedt) Lange-Bert. in Lange-Bert. and Metzeltin -- accepted
  Cavinula jaernefeltii (Hustedt) D.G. Mann and Stickle in Round, R.M. Crawford and D.G. Mann -- accepted
  Cavinula lacustris (W. Greg.) D.G. Mann and Stickle in Round, R.M. Crawford and D.G. Mann -- accepted
  Cavinula pseudoscutiformis (Hustedt) D.G. Mann and Stickle in Round, R.M. Crawford and D.G. Mann -- accepted
  Cavinula scutelloides (W. Smith) Lange-Bertalot in Lange-Bertalot and Metzeltin -- accepted
  Cavinula scutiformis (Grunow ex A. Schmidt) D.G. Mann and Stickle in Round, R.M. Crawford and D.G. Mann -- accepted
  Cavinula variostriata (Krasske) D.G. Mann and Stickle in Round, R.M. Crawford and D.G. Mann -- accepted
  Ceratoneis arcus (Ehrenb.) Kütz. -- not accepted
  Ceratoneis arcus var. amphioxys (Rabenh.) Brun -- not accepted
  Chaetoceros hohnii M. Graebner and Wujek -- not accepted
  Chaetoceros muelleri Lemmermann -- accepted
  Chaetoceros muelleri var. subsalsum (Lemmermann) J.R. Johansen and Rushforth -- not accepted
  Chaetoceros rostratus Lauder -- accepted
  Chamaepinnularia begeri (Krasske) Lange-Bertalot -- accepted
  Chamaepinnularia evanida (Hustedt) Lange-Bertalot -- accepted
  Chamaepinnularia mediocris (Krasske) Lange-Bertalot -- accepted
  Chamaepinnularia soehrensis (Krasske) Lange-Bertalot -- accepted
  Cocconeis diminuta Pant. -- not accepted
  Cocconeis diruptoides Hust. -- accepted
  Cocconeis disculus (Schum.) Cleve -- accepted
  Cocconeis disculus var. diminuta (Pant.) A. Cleve -- not accepted
  Cocconeis flexella (Kütz.) Cleve -- not accepted
  Cocconeis fluviatilis J. H. Wallace -- accepted
  Cocconeis japonica A. W. F. Schmidt -- not accepted
  Cocconeis lineata Ehrenb. -- not accepted
  Cocconeis neodiminuta Krammer in Krammer & Lange-Bert. -- accepted
  Cocconeis pediculus Ehrenb. -- accepted
  Cocconeis placentula Ehrenb. -- accepted
  Cocconeis placentula var. euglypta (Ehrenb.) Grunow -- accepted
  Cocconeis placentula var. klinoraphis Geitler -- accepted
  Cocconeis placentula var. lineata (Ehrenb.) Van Heurck -- accepted
  Cocconeis placentula var. placentula Ehrenb. -- accepted
  Cocconeis placentula var. rouxii (Hérib. & Brun) Cleve -- accepted
  Cocconeis rhombea Ehrenb. -- accepted
  Cocconeis rouxii Hérib. & Brun -- not accepted
  Cocconeis scutellum Ehrenb. -- accepted
  Cocconeis scutellum var. japonica (A. W. F. Schmidt) Skvortsov -- accepted
  Cocconeis scutellum var. parva (Grunow) Cleve -- accepted
  Cocconeis thumensis Mayer -- accepted
  Cocconeis thwaitesii W. Sm. -- not accepted
  Cocconeis transversalis W. Greg. -- not accepted
  Cocconema cistula Hempr. -- not accepted
  Cocconema cymbiforme (Kütz.) Ehrenb. -- not accepted
  Cocconema fusidium Ehrenb. -- not accepted
  Cocconema gastroides (Kütz.) Pell. -- not accepted
  Cocconema lanceolatum Ehrenb. -- not accepted
  Cocconema parva W. Sm. -- not accepted
  Cocconema scotica W. Sm. -- not accepted
  Colletonema lacustre Van Heurck -- not accepted
  Coscinodiscus asteromorphus Ehrenb. -- accepted
  Coscinodiscus curvatalus Grunow -- accepted
  Coscinodiscus decrescens Grunow -- accepted
  Coscinodiscus lacustris Grunow -- not accepted
  Coscinodiscus lanceolatum Ehrenb. -- accepted
  Coscinodiscus marginatus Ehrenb. -- accepted
  Coscinodiscus radiatus Ehrenb. -- not accepted
  Coscinodiscus rothii (Ehrenb.) Grunow -- accepted
  Coscinodiscus rothii var. rothii (Ehrenb.) Grunow -- accepted
  Coscinodiscus rothii var. subsala (Juhl.-Dannf.) Hust. -- not accepted
  Coscinodiscus tuberculatus Grev. -- accepted
  Cosmioneis lundstroemii (Cleve in Cleve and Grunow) D.G. Mann in Round, R.M. Crawford and D.G. Mann -- accepted
  Cosmioneis pusilla (W. Sm.) D.G. Mann and Stickle in Round, R.M. Crawford and D.G. Mann -- accepted
  Craspedodiscus coscinodiscus Ehrenberg -- accepted
  Craspedodiscus microdiscus Ehrenb. -- not accepted
  Craticula accomoda (Hust.) D.G. Mann in Round, R.M. Crawford and D.G. Mann -- accepted
  Craticula ambigua (Ehrenb.) D.G. Mann in Round, R.M. Crawford and D.G. Mann -- accepted
  Craticula cuspidata (Kützing) D.G. Mann in Round, R.M. Crawford and D.G. Mann -- accepted
  Craticula cuspidata var. major (F. Meister) Czarn. -- accepted
  Craticula halophila (Grunow) D.G. Mann in Round, R.M. Crawford and D.G. Mann -- accepted
  Craticula subhalophila (Hustedt) Lange-Bertalot -- accepted
  Craticula vixvisibilis (Hustedt) Lange-Bertalot -- accepted
  Cyclostephanos costatilimbus (Kob. & Kob.) Stoermer, Håk. & Theriot. -- accepted
  Cyclostephanos dubius (Fricke) Round in Theriot, Håkansson, Kociolek, Round & Stoermer -- accepted
  Cyclostephanos invisitatus (M. H. Hohn & Hellerm.) Theriot, Stoermer & Håk. -- accepted
  Cyclostephanos tholiformis Stoermer, Håk. & Theriot -- accepted
  Cyclotella americana Fricke -- accepted
  Cyclotella antiqua W. Sm. -- accepted
  Cyclotella atomus Hust. -- accepted
  Cyclotella bodanica Eulenstein -- accepted
  Cyclotella bodanica var. michiganensis Skvortsov -- accepted
  Cyclotella bodanica var. stellata Skvortsov -- accepted
  Cyclotella caspia Grunow -- accepted
  Cyclotella catenata Brun -- accepted
  Cyclotella chaetoceras Lemm. -- accepted
  Cyclotella comensis Grunow -- accepted
  Cyclotella compta (Ehrenb.) Kütz. -- not accepted
  Cyclotella comta (Ehrenb.) Kütz. -- accepted
  Cyclotella comta var. bodanica Grunow -- accepted
  Cyclotella comta var. comta (Ehrenb.) Kütz. -- accepted
  Cyclotella comta var. glabriuscula Grunow -- accepted
  Cyclotella comta var. oligactis (Ehrenb.) Grunow -- accepted
  Cyclotella comta var. paucipunctata Grunow -- accepted
  Cyclotella comta var. radiosa Grunow -- accepted
  Cyclotella cryptica Reimann, Lewin & Guillard -- accepted
  Cyclotella cyclopunctata Håk. & J. R. Carter -- accepted
  Cyclotella delicatula Hust. -- accepted
  Cyclotella distinguenda Hust. -- accepted
  Cyclotella distinguenda var. unipunctata (Hust.) Håk. -- accepted
  Cyclotella dubia Hilse -- accepted
  Cyclotella facetia M. H. Hohn & Hellerm. -- accepted
  Cyclotella gamma Sovereign -- accepted
  Cyclotella glomerata Bachm. -- accepted
  Cyclotella krammeri Håk. -- accepted
  Cyclotella kuetzingiana Thwaites -- not accepted
  Cyclotella kuetzingiana var. kuetzingiana Thwaites -- not accepted
  Cyclotella melosiroides (Kirchn.) Lemm. -- accepted
  Cyclotella meneghiniana Kütz. -- accepted
  Cyclotella meneghiniana var. plana Fricke -- accepted
  Cyclotella meneghiniana var. stellulifera Cleve & Grunow -- not accepted
  Cyclotella michiganiana Skvortsov -- accepted
  Cyclotella nana Hust. -- not accepted
  Cyclotella ocellata Pant. -- accepted
  Cyclotella operculata (C. Agardh) Kütz. -- not accepted
  Cyclotella operculata var. antiqua W. Sm. -- not accepted
  Cyclotella operculata var. operculata (C. Agardh) Kütz. -- not accepted
  Cyclotella operculata var. unipunctata (Fricke) Hust. -- not accepted
  Cyclotella planctonica Brunnth. -- accepted
  Cyclotella pseudostelligera Hust. -- accepted
  Cyclotella quadriiuncta (Schroeter) Hust. -- accepted
  Cyclotella radiosa Grunow -- accepted
  Cyclotella rossii Håk. -- accepted
  Cyclotella rotula Kütz. -- not accepted
  Cyclotella socialis Schütt -- accepted
  Cyclotella spinosa Schum. -- not accepted
  Cyclotella stelligera (Cleve & Grunow) Van Heurck -- accepted
  Cyclotella striata (Kütz.) Grunow -- accepted
  Cyclotella striata var. bipunctata Fricke -- accepted
  Cyclotella temperei M. Perag. & Hérib. -- accepted
  Cyclotella woltereckii Hust. -- accepted
  Cymatopleura angulata Grev. -- accepted
  Cymatopleura apiculata W. Sm. -- accepted
  Cymatopleura cochlea Brun -- accepted
  Cymatopleura elliptica (Bréb. & Godey) W. Sm. -- accepted
  Cymatopleura elliptica f. spiralis Boyer -- accepted
  Cymatopleura elliptica var. elliptica (Bréb. & Godey) W. Sm. -- accepted
  Cymatopleura elliptica var. hibernica (W. Sm.) Van Heurck -- accepted
  Cymatopleura hibernica W. Sm. -- not accepted
  Cymatopleura solea (Bréb. & Godey) W. Sm. -- accepted
  Cymatopleura solea var. apiculata (W. Sm.) Ralfs -- accepted
  Cymatopleura solea var. clavata O. Müll. -- accepted
  Cymatopleura solea var. gracilis Grunow -- accepted
  Cymatopleura solea var. pfuhlii Torka -- accepted
  Cymatopleura solea var. regula (Ehrenb.) Grunow -- accepted
  Cymatopleura solea var. solea (Bréb. & Godey) W. Sm. -- accepted
  Cymatopleura solea var. subconstricta O. Müll. -- accepted
  Cymatopleura spiralis H. H. Chase -- not accepted
  Cymbella acutiuscula Cleve -- accepted
  Cymbella aequalis W. Sm. -- accepted
  Cymbella affinis Kütz. -- accepted
  Cymbella amphicephala Nägeli -- accepted
  Cymbella amphicephala var. amphicephala Nägeli -- accepted
  Cymbella amphicephala var. subundulata Cleve -- accepted
  Cymbella anglica Lagerst. -- not accepted
  Cymbella angustata (W. Sm.) Cleve -- accepted
  Cymbella angustata var. angustata (W. Sm.) Cleve -- accepted
  Cymbella aspera (Ehrenb.) H. Perag. -- accepted
  Cymbella aspera var. aspera (Ehrenb.) H. Perag. -- accepted
  Cymbella aspera var. minor (Van Heurck) Cleve -- accepted
  Cymbella austriaca Grunow -- accepted
  Cymbella brehmii Hust. -- not accepted
  Cymbella caespitosa Brun -- not accepted
  Cymbella cesatii (Rabenh.) Grunow ex A. W. F. Schmidt -- accepted
  Cymbella cistula (Ehrenb. in Hemprich & Ehrenb.) Kirchn. in Cohn -- accepted
  Cymbella cistula var. cistula (Ehrenb. in Hemprich & Ehrenb.) Kirchn. in Cohn -- accepted
  Cymbella cistula var. gibbosa Brun -- accepted
  Cymbella cistula var. maculata (Kütz.) Van Heurck -- not accepted
  Cymbella cistula var. truncata Brun -- accepted
  Cymbella cuspidata Kütz. -- accepted
  Cymbella cuspidata f. impressa Fusey -- accepted
  Cymbella cuspidata var. cuspidata Kütz. -- accepted
  Cymbella cuspidata var. schulzii A. Cleve -- accepted
  Cymbella cymbiformis C. Agardh -- accepted
  Cymbella cymbiformis var. cymbiformis C. Agardh -- accepted
  Cymbella delicatula Kütz. -- accepted
  Cymbella delicatula var. delicatula Kütz. -- accepted
  Cymbella designata Krammer in Krammer & Lange-Bert. -- accepted
  Cymbella diluviana (Krasske) M. Florin -- accepted
  Cymbella ehrenbergii Kütz. -- not accepted
  Cymbella elginsis Krammer -- accepted
  Cymbella gastroides Kütz. -- not accepted
  Cymbella gracilis (Rabenh.) Cleve -- not accepted
  Cymbella gracilis var. gracilis (Rabenh.) Cleve -- not accepted
  Cymbella gracilis var. lunata W. Sm. in Grev. -- not accepted
  Cymbella hauckii Van Heurck -- accepted
  Cymbella hebridica Grunow ex Cleve -- not accepted
  Cymbella helvetica Kütz. -- accepted
  Cymbella hustedtii Krasske -- accepted
  Cymbella hybrida Grunow -- accepted
  Cymbella inaequalis (Ehrenb.) Rabenh. -- accepted
  Cymbella incerta (Grunow) Cleve -- accepted
  Cymbella jordani Grunow -- accepted
  Cymbella lacustris (C. Agardh) Cleve -- not accepted
  Cymbella laevis Nägeli ex Kütz. -- accepted
  Cymbella lanceolata (C. Agardh) C. Agardh -- accepted
  Cymbella lata Grunow -- accepted
  Cymbella latens Krasske -- not accepted
  Cymbella leptoceros (Ehrenb.) Kütz. -- accepted
  Cymbella leptoceros var. leptoceros (Ehrenb.) Kütz. -- accepted
  Cymbella leptoceros var. rostrata Hust. -- not accepted
  Cymbella lunata W. Sm. -- not accepted
  Cymbella maculata Kütz. -- accepted
  Cymbella mexicana (Ehrenb.) Cleve -- accepted
  Cymbella mexicana var. mexicana (Ehrenb.) Cleve -- accepted
  Cymbella microcephala Grunow -- accepted
  Cymbella microcephala var. crassa C. W. Reimer -- accepted
  Cymbella microcephala var. microcephala Grunow -- accepted
  Cymbella minuta Hilse -- not accepted
  Cymbella minuta var. minuta Hilse ex Rabenh. -- not accepted
  Cymbella minuta var. pseudogracilis (Cholnoky) C. W. Reimer -- not accepted
  Cymbella minuta var. silesiaca (Bleisch ex Rabenh.) C. W. Reimer -- not accepted
  Cymbella moelleriana Grunow -- accepted
  Cymbella muelleri Hust. -- not accepted
  Cymbella muelleri f. ventricosa (Temp. & M. Perag.) C. W. Reimer -- not accepted
  Cymbella muelleri var. muelleri Hust. -- not accepted
  Cymbella naviculiformis Auersw. ex Heib. -- accepted
  Cymbella norvegica Grunow -- not accepted
  Cymbella obtusa W. Greg. -- not accepted
  Cymbella obtusiuscula Kütz. -- accepted
  Cymbella parva (W. Sm.) Wolle -- accepted
  Cymbella parvula Krasske -- accepted
  Cymbella pediculus Kützing -- not accepted
  Cymbella prostrata (Berk.) Cleve -- not accepted
  Cymbella prostrata var. auerswaldii (Rabenh.) C. W. Reimer -- not accepted
  Cymbella prostrata var. prostrata (Berk.) Cleve -- not accepted
  Cymbella proxima C. W. Reimer -- accepted
  Cymbella proxima var. proxima C. W. Reimer -- accepted
  Cymbella pusilla Grunow -- accepted
  Cymbella rabenhorstii R. Ross -- accepted
  Cymbella rotundata H. H. Chase -- not accepted
  Cymbella rugosa Hust. -- not accepted
  Cymbella ruttneri Hust. -- accepted
  Cymbella ruttneri var. obtusa Hust. -- accepted
  Cymbella scotica W. Sm. -- accepted
  Cymbella similis Krasske -- accepted
  Cymbella sinuata W. Greg. -- not accepted
  Cymbella sinuata f. antiqua (Grunow) C. W. Reimer -- not accepted
  Cymbella sinuata var. antiqua (Grunow) Cleve -- not accepted
  Cymbella sinuata var. sinuata W. Greg. -- not accepted
  Cymbella stomatophora Grunow -- not accepted
  Cymbella subaequalis Grunow -- accepted
  Cymbella subaequalis f. krasskei (Foged) C.W.Reimer -- accepted
  Cymbella subaequalis var. subaequalis Grunow -- accepted
  Cymbella subventricosa Cholnoky -- accepted
  Cymbella triangulum (Ehrenb.) Cleve -- not accepted
  Cymbella tumida (Bréb.) Van Heurck -- accepted
  Cymbella tumidula Grunow -- accepted
  Cymbella turgida W. Greg. -- not accepted
  Cymbella turgida var. pseudogracilis Cholnoky -- not accepted
  Cymbella turgida var. turgida W. Greg. -- not accepted
  Cymbella turgidula Grunow -- accepted
  Cymbella ventricosa C. Agardh -- not accepted
  Cymbella ventricosa var. lunata W. Sm. -- not accepted
  Cymbellonitzschia diluviana Hust. -- accepted
  Cystopleura gibba (Ehrenb.) Kuntze -- not accepted
  Cystopleura turgida (Ehrenb.) Kuntze -- not accepted
  Denticula elegans Kütz. -- accepted
  Denticula elegans var. elegans Kütz. -- accepted
  Denticula frigida Kütz. -- not accepted
  Denticula lauta J. W. Bail. -- accepted
  Denticula tenuis Kütz. -- accepted
  Denticula tenuis var. crassula (Nägeli) W. West & G. S. West -- accepted
  Denticula tenuis var. frigida (Kütz.) Grunow -- accepted
  Denticula tenuis var. tenuis Kütz. -- accepted
  Denticula thermalis Kütz. -- accepted
  Diadesmis confervacea Kütz. -- accepted
  Diadesmis contenta (Grunow) D.G. Mann in D.G. Mann in Round, R.M. Crawford and D.G. Mann -- accepted
  Diadesmis contenta var. biceps (Arn. ms., Grunow in Van Heurck) Poulin -- accepted
  Diadesmis peregrina W. Sm. -- accepted
  Diadesmis perpusilla (Grunow) D.G. Mann in Round, R.M. Crawford and D.G. Mann -- accepted
  Diatoma anceps (Ehrenb.) Kirchn. -- not accepted
  Diatoma anceps var. anceps (Ehrenb.) Kirchn. -- not accepted
  Diatoma ehrenbergii Kütz. -- accepted
  Diatoma elongata C. Agardh -- not accepted
  Diatoma elongatum (Lyngb.) C. Agardh -- not accepted
  Diatoma elongatum var. elongatum (Lyngb.) C. Agardh -- not accepted
  Diatoma elongatum var. tenue (C. Agardh) Van Heurck -- not accepted
  Diatoma elongatum var. tenuis (C. Agardh) Van Heurck -- not accepted
  Diatoma hiemale (Roth) Heib. -- accepted
  Diatoma hiemale var. hiemale (Roth) Heib. -- accepted
  Diatoma hiemale var. mesodon (Ehrenb.) Grunow -- accepted
  Diatoma tenue C. Agardh -- accepted
  Diatoma tenue var. elongatum Lyngb. -- accepted
  Diatoma tenue var. pachycephala Grunow -- accepted
  Diatoma vulgare Bory -- accepted
  Diatoma vulgare var. breve Grunow -- accepted
  Diatoma vulgare var. ehrenbergii (Kütz.) Grunow -- accepted
  Diatoma vulgare var. grande (W. Sm.) Grunow -- accepted
  Diatoma vulgare var. linearis Van Heurck -- accepted
  Diatoma vulgare var. ovalis (Fricke) Hust. -- accepted
  Diatoma vulgare var. producta Grunow -- accepted
  Diatoma vulgare var. vulgare Bory -- accepted
  Didymosphenia geminata (Lyngb.) M. Schmidt -- accepted
  Diploneis boldtiana Cleve -- accepted
  Diploneis domblittensis (Grunow) Cleve -- accepted
  Diploneis elliptica (Kützing) Cleve -- accepted
  Diploneis elliptica var. elliptica (Kütz.) Cleve -- accepted
  Diploneis elliptica var. ladogensis Cleve -- accepted
  Diploneis elliptica var. pygmaea A. Cleve -- accepted
  Diploneis finnica (Ehrenb.) Cleve -- accepted
  Diploneis interrupta (Kütz.) Cleve -- accepted
  Diploneis marginestriata Hust. -- accepted
  Diploneis oblongella (Nägeli) R. Ross -- accepted
  Diploneis oblongella var. genuina (Nägeli ex Kütz.) R. Ross -- accepted
  Diploneis ocellata Østrup -- accepted
  Diploneis oculata (Bréb.) Cleve -- accepted
  Diploneis oculata var. oculata (Bréb.) Cleve -- accepted
  Diploneis ovalis (Hilse) Cleve -- accepted
  Diploneis ovalis var. ovalis (Hilse) Cleve -- accepted
  Diploneis papula (A. W. F. Schmidt) Cleve -- accepted
  Diploneis parma Cleve -- accepted
  Diploneis peterseni Hust. -- accepted
  Diploneis pseudovalis Hust. -- accepted
  Diploneis puella (Schum.) Cleve -- accepted
  Diploneis smithii (Brébisson) Cleve -- accepted
  Diploneis smithii var. pumila (Grunow) Hust. -- accepted
  Diploneis smithii var. smithii (Bréb.) Cleve -- accepted
  Diploneis subovalis Cleve -- accepted
  Ellerbeckia arenaria (Moore ex Ralfs) R. M. Crawford -- accepted
  Encyonema auerswaldii Rabenh. -- accepted
  Encyonema brehmii (Hust.) D. G. Mann in Round, Crawford & Mann -- accepted
  Encyonema caespitosum Kütz. -- accepted
  Encyonema gracile Rabenh. -- accepted
  Encyonema hebridicum (W. Greg.) Grunow ex Cleve -- accepted
  Encyonema lacustre (C. Agardh) D. G. Mann in Round, Crawford & Mann -- accepted
  Encyonema latens (Krasske) D. G. Mann in Round, Crawford & Mann -- accepted
  Encyonema lunatum (W. Sm. in Grev.) Van Heurck -- accepted
  Encyonema minutum (Hilse ex Rabenh.) D. G. Mann in Round, Crawford & Mann -- accepted
  Encyonema minutum var. pseudogracilis (Cholnoky) Czarn. -- accepted
  Encyonema muelleri (Hust.) D. G. Mann in Round, Crawford & Mann -- accepted
  Encyonema muelleri f. ventricosa (Temp. & M. Perag.) Czarn. -- accepted
  Encyonema norvegica (Grunow) Bukht. -- accepted
  Encyonema prostratum (Berk.) Kütz. -- accepted
  Encyonema rugosum (Hust.) D. G. Mann in Round, Crawford & Mann -- accepted
  Encyonema silesiacum (Bleisch ex Rabenh.) D. G. Mann in Round, Crawford & Mann -- accepted
  Encyonema triangulatum Kütz. -- accepted
  Encyonema triangulum (Ehrenb.) Kütz. -- accepted
  Encyonema turgidum (W. Greg.) Grunow -- accepted
  Encyonema ventricosum Kütz. -- accepted
  Entomoneis alata (Ehrenb.) Ehrenb. -- accepted
  Entomoneis ornata (J. W. Bail.) C. W. Reimer -- accepted
  Entomoneis paludosa (W. Sm.) C. W. Reimer -- accepted
  Epithemia adnata (Kütz.) Bréb. -- accepted
  Epithemia adnata var. minor (M. Perag. & Hérib.) R. M. Patrick -- accepted
  Epithemia adnata var. porcellus (Kütz.) R. M. Patrick -- accepted
  Epithemia adnata var. proboscidea (Kütz.) R. M. Patrick -- accepted
  Epithemia adnata var. saxonica (Kütz.) R. M. Patrick -- accepted
  Epithemia alpestris W. Sm. -- accepted
  Epithemia argus (Ehrenb.) Kütz. -- accepted
  Epithemia argus var. alpestris (W. Sm.) Grunow -- accepted
  Epithemia argus var. amphicephala Grunow -- not accepted
  Epithemia argus var. argus (Ehrenb.) Kütz. -- accepted
  Epithemia argus var. longicornis (Ehrenb.) Grunow -- accepted
  Epithemia emarginata Andrews -- accepted
  Epithemia frickei Krammer -- accepted
  Epithemia gibba (Ehrenb.) Kütz. -- not accepted
  Epithemia gibba var. parallela Grunow -- not accepted
  Epithemia gibba var. ventricosa (Kütz.) Grunow -- not accepted
  Epithemia gibberula (Ehrenb.) Kütz. -- not accepted
  Epithemia hyndmanni W. Sm. -- accepted
  Epithemia intermedia Fricke -- not accepted
  Epithemia muelleri Fricke -- accepted
  Epithemia ocellata (Ehrenb.) Kütz. -- accepted
  Epithemia reicheltii Fricke -- accepted
  Epithemia smithii Carruthers -- accepted
  Epithemia sorex Kütz. -- accepted
  Epithemia turgida (Ehrenb.) Kütz. -- accepted
  Epithemia turgida var. granulata (Ehrenb.) Brun -- accepted
  Epithemia turgida var. plicata Meist. -- accepted
  Epithemia turgida var. turgida (Ehrenb.) Kütz. -- accepted
  Epithemia turgida var. westermannii (Ehrenb.) Grunow -- accepted
  Epithemia turgida var. zebrina (Ehrenb.) Rabenh. -- accepted
  Epithemia ventricosa Ehrenb. -- not accepted
  Epithemia zebra (Ehrenb.) Kütz. -- not accepted
  Epithemia zebra var. porcellus (Kütz.) Grunow -- not accepted
  Epithemia zebra var. saxonica (Kütz.) Grunow -- not accepted
  Epithemia zebra var. zebra (Ehrenb.) Kütz. -- not accepted
  Eucocconeis depressa (Cleve) Hust. -- accepted
  Eucocconeis flexella (Kütz.) Cleve -- accepted
  Eucocconeis flexella var. alpestris (Brun) Hust. -- accepted
  Eucocconeis lapponica Hust. -- accepted
  Eucocconeis lapponica var. ninckei (C. W. Reimer) Stoermer & J. J. Yang -- not accepted
  Eucocconeis lapponica var. ninckei (Guermeur & Mang.) M. B. Edlund -- accepted
  Eucocconeis minuta (Cleve) Cleve -- accepted
  Eunotia arcubus Nörpell-Schempp & Lange-Bert. in Lange-Bert. -- accepted
  Eunotia arcus Ehrenb. -- accepted
  Eunotia arcus var. arcus Ehrenb. -- accepted
  Eunotia arcus var. bidens Grunow -- not accepted
  Eunotia arcus var. fallax Hust. -- accepted
  Eunotia bidens Ehrenb. -- accepted
  Eunotia curvata (Kütz.) Lagerst. -- accepted
  Eunotia diodon Ehrenb. -- accepted
  Eunotia diodon var. diodon Ehrenb. -- accepted
  Eunotia exigua (Bréb.) Rabenh. -- accepted
  Eunotia exigua var. exigua (Bréb.) Rabenh. -- accepted
  Eunotia flexuosa Bréb. ex Kütz. -- accepted
  Eunotia flexuosa var. eurycephala Grunow -- accepted
  Eunotia flexuosa var. flexuosa Bréb. ex Kütz. -- accepted
  Eunotia formica Ehrenb. -- accepted
  Eunotia glacialis F. Meister -- accepted
  Eunotia gracilis (Ehrenb.) Rabenh. -- not accepted
  Eunotia granulata Ehrenb. -- not accepted
  Eunotia incisa W. Sm. -- accepted
  Eunotia inflata (Grunow) Nörpel-Schempp & Lange-Bert. in Lange-Bertalot -- accepted
  Eunotia intermedia (Krasske) Nörpel-Schempp & Lange-Bert. in Lange-Bertalot -- accepted
  Eunotia lunaris (Ehrenb.) Grunow -- not accepted
  Eunotia lunaris var. excisa Grunow -- not accepted
  Eunotia lunaris var. lunaris (Ehrenb.) Grunow -- not accepted
  Eunotia major (W. Sm.) Rabenh. -- accepted
  Eunotia major var. impressa (W. Sm.) Rabenh. -- accepted
  Eunotia microcephala Krasske -- accepted
  Eunotia monodon Ehrenb. -- not accepted
  Eunotia monodon var. major (W. Sm.) Hust. -- not accepted
  Eunotia monodontiforma Lange-Bert. & Nörpel in Lange-Bert. -- accepted
  Eunotia naegelii Migula -- accepted
  Eunotia parallela Ehrenb. -- accepted
  Eunotia pectinalis (O. Müll.) Rabenh. -- accepted
  Eunotia pectinalis f. minor (Dillwyn) Rabenh. -- accepted
  Eunotia pectinalis var. minor (Kütz.) Rabenh. -- accepted
  Eunotia pectinalis var. pectinalis (O. Müll.) Rabenh. -- accepted
  Eunotia pectinalis var. undulata (Ralfs) Rabenh. -- accepted
  Eunotia pectinalis var. ventricosa Grunow -- accepted
  Eunotia perpusilla Grunow -- accepted
  Eunotia praerupta Ehrenb. -- accepted
  Eunotia praerupta var. bidens (Ehrenb.) Grunow -- not accepted
  Eunotia praerupta var. inflata Grunow -- not accepted
  Eunotia praerupta var. laticeps f. curta Grunow -- not accepted
  Eunotia pseudolunaris Venkt. -- accepted
  Eunotia robusta var. tetraedon (Ehrenb.) Ralfs -- not accepted
  Eunotia septentrionalis Østrup -- accepted
  Eunotia serra Ehrenb. -- accepted
  Eunotia serra var. diadema (Ehrenb.) R. M. Patrick -- accepted
  Eunotia serra var. serra Ehrenb. -- accepted
  Eunotia tenella (Grunow) Hust. -- accepted
  Eunotia trinacria Krasske -- accepted
  Eunotia valida Hust. -- accepted
  Eunotia vanheurckii R. M. Patrick -- accepted
  Eunotia vanheurckii var. intermedia (Krasske) R. M. Patrick -- not accepted
  Eunotia vanheurckii var. vanheurckii R. M. Patrick -- accepted
  Eunotia woleirotii (Kütz.) Rabenh. -- accepted
  Eunotia zebrina Ehrenb. -- not accepted
  Fallacia fracta (Hustedt ex Simonsen) D.G. Mann in Round, R.M. Crawford and D.G. Mann -- accepted
  Fallacia helensis (E. Schulz) D.G. Mann in Round, R.M. Crawford and D.G. Mann -- accepted
  Fallacia insociabilis (Krasske) D.G. Mann in Round, R.M. Crawford and D.G. Mann -- accepted
  Fallacia monoculata (Hustedt) D.G. Mann in Round, R.M. Crawford and D.G. Mann -- not accepted
  Fallacia omissa (Hustedt) D.G. Mann in Round, R.M. Crawford and D.G. Mann -- accepted
  Fallacia pseudomuralis (Hustedt) D.G. Mann in Round, R.M. Crawford and D.G. Mann -- accepted
  Fallacia pygmaea (Kützing) D.G. Mann in Round, R.M. Crawford and D.G. Mann -- accepted
  Fallacia subhamulata (Grunow in Van Heurck) D.G. Mann in Round, R.M. Crawford and D.G. Mann -- accepted
  Fallacia submitis (Hustedt) D.G. Mann in Round, R.M. Crawford and D.G. Mann -- accepted
  Fragilaria acuta Ehrenb. -- not accepted
  Fragilaria arcus (Ehrenb.) Cleve -- not accepted
  Fragilaria atomus Hust. -- accepted
  Fragilaria bicapitata Mayer -- not accepted
  Fragilaria bipunctata Ehrenb. -- not accepted
  Fragilaria brevistriata Grunow in Van Heurck -- accepted
  Fragilaria brevistriata var. brevistriata Grunow in Van Heurck -- accepted
  Fragilaria brevistriata var. inflata (Pant.) Hust. -- not accepted
  Fragilaria capucina Desm. -- accepted
  Fragilaria capucina var. acuta (Ehrenb.) Rabenh. -- accepted
  Fragilaria capucina var. capucina Desm. -- accepted
  Fragilaria capucina var. lanceolata Grunow -- accepted
  Fragilaria capucina var. mesolepta Rabenh. -- accepted
  Fragilaria constricta Ehrenb. -- not accepted
  Fragilaria constricta f. stricta (A. Cleve) Hustedt -- not accepted
  Fragilaria constricta var. constricta Ehrenb. -- not accepted
  Fragilaria construens (Ehrenb.) Grunow -- not accepted
  Fragilaria construens var. binodis (Ehrenb.) Grunow -- accepted
  Fragilaria construens var. capitata Hérib. -- not accepted
  Fragilaria construens var. construens (Ehrenb.) Grunow -- not accepted
  Fragilaria construens var. subsalina Hust. -- not accepted
  Fragilaria construens var. venter (Ehrenb.) Grunow -- not accepted
  Fragilaria crotonensis Kitton -- accepted
  Fragilaria crotonensis var. oregona Sovereign -- accepted
  Fragilaria crotonensis var. prolongata Grunow -- accepted
  Fragilaria entomon (Ehrenb.) Ehrenb. -- accepted
  Fragilaria harrisonii Grunow -- not accepted
  Fragilaria harrisonii var. rhomboides Grunow -- not accepted
  Fragilaria heideni Østrup -- accepted
  Fragilaria heideni var. heideni Østrup -- accepted
  Fragilaria heideni var. istvanffyi (Pant.) Hust. -- accepted
  Fragilaria inflata (Heiden) Hust. -- not accepted
  Fragilaria intermedia Grunow -- accepted
  Fragilaria intermedia var. continua A. Cleve -- accepted
  Fragilaria intermedia var. fallax (Grunow) A. Cleve -- accepted
  Fragilaria intermedia var. intermedia Grunow -- accepted
  Fragilaria intermedia var. lanceolata Fusey -- accepted
  Fragilaria kriegeriana Krasske -- not accepted
  Fragilaria lapponica Grunow -- not accepted
  Fragilaria leptostauron (Ehrenb.) Hust. -- not accepted
  Fragilaria leptostauron var. dubia (Grunow) Hust. -- not accepted
  Fragilaria leptostauron var. leptostauron (Ehrenb.) Hust. -- not accepted
  Fragilaria linearis Castracane -- not accepted
  Fragilaria minuscula Grunow -- accepted
  Fragilaria mutabilis (W. Sm.) Grunow -- not accepted
  Fragilaria mutabilis var. intercedens Grunow in Van Heurck -- not accepted
  Fragilaria nitzschioides Grunow -- accepted
  Fragilaria parasitica (W. Smith) Grunow -- not accepted
  Fragilaria pinnata Ehrenb. -- not accepted
  Fragilaria pinnata var. intercedens (Grunow in Van Heurck) Hust. -- not accepted
  Fragilaria pinnata var. lancettula (Schum.) Hust. -- not accepted
  Fragilaria pinnata var. pinnata Ehrenb. -- not accepted
  Fragilaria radians (Kütz.) D. M. Williams & Round -- accepted
  Fragilaria spinosa Skvortsov -- accepted
  Fragilaria vaucheriae (Kütz.) J. B. Petersen -- accepted
  Fragilaria vaucheriae var. capitellata (Grunow) R. M. Patrick -- accepted
  Fragilaria vaucheriae var. fallax Grunow -- accepted
  Fragilaria vaucheriae var. lanceolata Mayer -- accepted
  Fragilaria vaucheriae var. parvula (Kütz.) A. Cleve -- accepted
  Fragilaria vaucheriae var. truncata (Grev.) Grunow -- accepted
  Fragilaria vaucheriae var. vaucheriae (Kütz.) J. B. Petersen -- accepted
  Fragilaria virescens Ralfs -- not accepted
  Fragilaria virescens var. capitata Østrup -- not accepted
  Fragilaria virescens var. mesolepta (Rabenh.) Schönfeld -- accepted
  Fragilaria virescens var. oblongella Grunow -- accepted
  Fragilaria virescens var. virescens Ralfs -- not accepted
  Fragilariforma bicapitata (Mayer) D. M. Williams & Round -- accepted
  Fragilariforma constricta (Ehrenb.) D. M. Williams & Round -- accepted
  Fragilariforma constricta f. stricta (A. Cleve) Poulin -- accepted
  Fragilariforma virescens (Ralfs) D. M. Williams & Round -- accepted
  Fragilariforma virescens var. capitata (Østrup) Czarn. -- accepted
  Fragilariopsis linearis (Castracane) Hustedt -- accepted
  Frustulia erifuga Lange-Bertalot and Krammer in Lange-Bertalot -- accepted
  Frustulia rhomboides (Ehrenberg) De Toni -- accepted
  Frustulia rhomboides var. amphipleuroides (Grunow) Cleve in Cleve and Grunow -- accepted
  Frustulia rhomboides var. crassinervia (Bréb.) R. Ross -- accepted
  Frustulia rhomboides var. saxonica (Rabenh.) DeToni -- not accepted
  Frustulia rhomboides var. viridula (Bréb.) Cleve -- not accepted
  Frustulia saxonica Rabenh. -- accepted
  Frustulia viridula (Bréb.) DeToni -- accepted
  Frustulia vulgaris (Thwaites) De Toni -- accepted
  Frustulia vulgaris var. capitata Krasske -- accepted
  Frustulia vulgaris var. vulgaris (Thwaites) DeToni -- accepted
  Frustulia weinholdii Hust. -- accepted
  Gallionella distans Ehrenb. -- not accepted
  Geissleria acceptata (Hust.) Lange-Bert. and Metzeltin in Lange-Bert. -- accepted
  Geissleria declivis (Hust.) Lange-Bertalot -- accepted
  Geissleria decussis (Østrup) Lange-Bert. & Metzeltin in Lange-Bert. -- accepted
  Geissleria kriegeri (Krasske) Lange-Bertalot -- accepted
  Geissleria paludosa (Hustedt) Lange-Bertalot and Metzeltin in Lange-Bertalot -- accepted
  Geissleria schoenfeldii (Hustedt) Lange-Bertalot and Metzeltin in Lange-Bert. -- accepted
  Geissleria similis (Krasske) Lange-Bertalot and Metzeltin in Lange-Bertalot -- accepted
  Geissleria tectissima (Lange-Bertalot) Lange-Bertalot -- accepted
  Geissleria thingvallae (Østrup) Metzeltin & Lange-Bert. in Lange-Bert. -- accepted
  Gloeonema paradoxum Ehrenb. -- not accepted
  Gloeonema triangulatum Ehrenb. -- not accepted
  Gomphoneis eriense (Grunow) Skvortsov & K. I. Mey. -- accepted
  Gomphoneis geitleri Kociolek & Stoermer -- accepted
  Gomphoneis herculeana (Ehrenb.) Cleve -- accepted
  Gomphoneis herculeana var. robusta (Grunow) Cleve -- accepted
  Gomphoneis olivacea (Hornemann) P.A. Dawson ex R. Ross and P.A. Sims -- accepted
  Gomphoneis olivacea var. calcarea (Cleve) Poulin in Poulin, Hamilton & Proulx -- accepted
  Gomphoneis quadripunctata (Østrup) P. A. Dawson ex R. Ross & P. A. Sims -- accepted
  Gomphoneis quadripunctata var. cochleariformis Kociolek & Stoermer -- accepted
  Gomphonema abbreviatum C. Agardh -- accepted
  Gomphonema abbreviatum var. abbreviatum C. Agardh -- accepted
  Gomphonema abbreviatum var. inflata Hust. -- accepted
  Gomphonema acuminatum Ehrenb. -- accepted
  Gomphonema acuminatum var. acuminatum Ehrenb. -- accepted
  Gomphonema acuminatum var. brebissonii (Kütz.) Cleve -- accepted
  Gomphonema acuminatum var. coronatum (Ehrenb.) Rabenh. -- not accepted
  Gomphonema acuminatum var. intermedia Grunow -- accepted
  Gomphonema acuminatum var. laticeps Ehrenb. -- not accepted
  Gomphonema acuminatum var. pusillum Grunow -- accepted
  Gomphonema acuminatum var. trigonocephalum (Ehrenb.) Grunow -- accepted
  Gomphonema acuminatum var. turris Ehrenb. -- not accepted
  Gomphonema affine Kütz. -- accepted
  Gomphonema affine var. affine Kütz. -- accepted
  Gomphonema affine var. elongatum (Mayer) Millie & R. L Lowe -- accepted
  Gomphonema affine var. insigne (W. Greg.) G. W. Andrews -- accepted
  Gomphonema americanum Ehrenb. -- not accepted
  Gomphonema angustatum (Kütz.) Rabenh. -- accepted
  Gomphonema angustatum f. undulata Grunow -- accepted
  Gomphonema angustatum var. angustatum (Kütz.) Rabenh. -- accepted
  Gomphonema angustatum var. citera (M. H. Hohn & Hellerm.) R. M. Patrick -- accepted
  Gomphonema angustatum var. obtusatum (Kütz.) Grunow -- accepted
  Gomphonema angustatum var. productum Grunow -- not accepted
  Gomphonema angustatum var. sarcophagus (W. Greg.) Grunow -- not accepted
  Gomphonema angustatum var. undulata Grunow -- accepted
  Gomphonema apuncto J. H. Wallace -- accepted
  Gomphonema augur Ehrenb. -- accepted
  Gomphonema bohemicum Reichelt & Fricke -- accepted
  Gomphonema brasiliense Grunow -- accepted
  Gomphonema capitatum Ehrenb. -- not accepted
  Gomphonema clevei Fricke -- accepted
  Gomphonema consector M. H. Hohn & Hellerm. -- accepted
  Gomphonema constrictum Ehrenb. -- not accepted
  Gomphonema constrictum var. capitata (Ehrenb.) Van Heurck -- not accepted
  Gomphonema constrictum var. constrictum Ehrenb. -- not accepted
  Gomphonema coronatum Ehrenb. -- not accepted
  Gomphonema curvatum Kütz. -- not accepted
  Gomphonema dichotomum Kütz. -- accepted
  Gomphonema eriense Grunow -- not accepted
  Gomphonema exilissima (Grunow) Lange-Bertalot and E. Reichardt in Lange-Bertalot -- accepted
  Gomphonema geminata (Lyngb.) C. Agardh -- not accepted
  Gomphonema germainii Kociolek & Stoermer -- accepted
  Gomphonema gracile Ehrenb. emend. Van Heurck -- accepted
  Gomphonema gracile var. cymbelloides Grunow ms. in Cleve, 1894 -- accepted
  Gomphonema gracile var. dicotoma (Kütz.) Grunow -- accepted
  Gomphonema gracile var. gracile Ehrenb. emend. Van Heurck -- accepted
  Gomphonema gracile var. naviculacea (W. Sm.) Cleve -- accepted
  Gomphonema grovei M. Schmidt -- accepted
  Gomphonema grovei var. grovei M. Schmidt -- accepted
  Gomphonema grovei var. lingulatum (Hust.) Lange-Bert. in Krammer & Lange-Bert. -- accepted
  Gomphonema grunowii R. M. Patrick -- accepted
  Gomphonema helveticum Brun -- accepted
  Gomphonema helveticum var. helveticum Brun -- accepted
  Gomphonema helveticum var. tenuis Hust. -- accepted
  Gomphonema herculeanum Ehrenb. -- not accepted
  Gomphonema herculeanum var. robusta Grunow -- not accepted
  Gomphonema intricatum Kütz. -- not accepted
  Gomphonema intricatum var. dichotomum (Kütz.) Grunow -- not accepted
  Gomphonema intricatum var. fossilis Pant. -- not accepted
  Gomphonema intricatum var. intricatum Kütz. -- not accepted
  Gomphonema intricatum var. pumila Grunow -- not accepted
  Gomphonema lanceolatum Ehrenb. -- not accepted
  Gomphonema lanceolatum var. insignis (W. Greg.) Cleve -- not accepted
  Gomphonema lanceolatum var. lanceolatum Ehrenb. -- not accepted
  Gomphonema laticeps Ehrenb. -- accepted
  Gomphonema leptocampum Kociolek & Stoermer -- accepted
  Gomphonema lingulatum Hust. -- not accepted
  Gomphonema longiceps Ehrenb. -- accepted
  Gomphonema longiceps f. gracilis Hust. -- accepted
  Gomphonema longiceps var. longiceps Ehrenb. -- accepted
  Gomphonema longiceps var. montana (Schum.) Hust. -- not accepted
  Gomphonema longiceps var. subclavatum Grunow -- accepted
  Gomphonema longiceps var. subclavatum f. gracilis Hust. -- not accepted
  Gomphonema manubrium M. Schmidt & Fricke -- not accepted
  Gomphonema montanum Schum. -- accepted
  Gomphonema montanum var. montanum Schum. -- accepted
  Gomphonema olivaceoides Hust. -- accepted
  Gomphonema olivaceoides var. cochleariformis Mang. -- accepted
  Gomphonema olivaceoides var. densestriata Foged -- accepted
  Gomphonema olivaceoides var. hutchinsoniana R. M. Patrick -- accepted
  Gomphonema olivaceoides var. olivaceoides (Hust.) Lange-Bert. in Krammer & Lange-Bert. -- accepted
  Gomphonema olivaceum (Lyngbye) Desmazieres -- accepted
  Gomphonema olivaceum (Hornemann) Kützing -- not accepted
  Gomphonema olivaceum var. calcareum (Cleve) Cleve -- not accepted
  Gomphonema olivaceum var. minutissima Hust. -- accepted
  Gomphonema olivaceum var. olivaceoides (Hust.) Lange-Bert. in Lange-Bert. & Krammer -- accepted
  Gomphonema olivaceum var. olivaceum (Lyngbye) Desmazieres -- accepted
  Gomphonema parvulum (Kütz.) Kütz. -- accepted
  Gomphonema parvulum var. exilissima Grunow -- not accepted
  Gomphonema parvulum var. lagenula (Kütz.) Freng. -- not accepted
  Gomphonema parvulum var. micropus (Kütz.) Cleve -- not accepted
  Gomphonema parvulum var. parvulum (Kütz.) Kütz. -- accepted
  Gomphonema parvulum var. subelliptica Cleve -- not accepted
  Gomphonema productum Lange-Bert. & Reichardt in Lange-Bert. -- accepted
  Gomphonema pseudoaugur Lange-Bert. -- accepted
  Gomphonema pseudotenellum Lange-Bert. -- accepted
  Gomphonema pygmaeum Kociolek & Stoermer -- accepted
  Gomphonema quadripunctatum (Østrup) Wislouch -- not accepted
  Gomphonema robustum Grunow -- accepted
  Gomphonema sarcophagus W. Greg. -- accepted
  Gomphonema semiapertum Grunow -- accepted
  Gomphonema sphaerophorum Ehrenb. -- accepted
  Gomphonema subclavata f. gracilis (Hust.) Woodhead & Tweed -- not accepted
  Gomphonema subclavatum (Grunow) Grunow -- accepted
  Gomphonema subclavatum f. gracilis (Hust.) Woodhead & Tweed -- accepted
  Gomphonema subclavatum var. mustela (Ehrenb.) Cleve -- not accepted
  Gomphonema submehleri Kociolek & Stoermer -- accepted
  Gomphonema subtile Ehrenb. -- accepted
  Gomphonema subtile var. sagitta (Schum.) Cleve -- accepted
  Gomphonema subtile var. subtile Ehrenb. -- accepted
  Gomphonema superiorensis Kociolek & Stoermer -- accepted
  Gomphonema tenellum Kütz. -- not accepted
  Gomphonema tergestinum (Grunow) Fricke -- accepted
  Gomphonema trigonocephalum Ehrenb. -- accepted
  Gomphonema truncatum Ehrenb. -- accepted
  Gomphonema truncatum var. capitatum (Ehrenb.) R. M. Patrick in Patrick & Reimer -- accepted
  Gomphonema truncatum var. macilentum Kociolek & Stoermer -- accepted
  Gomphonema truncatum var. truncatum Ehrenb. -- accepted
  Gomphonema truncatum var. turgidum (Ehrenb.) R. M. Patrick in Patrick & Reimer -- accepted
  Gomphonema tumens Kociolek & Stoermer -- accepted
  Gomphonema turgidum Grunow -- not accepted
  Gomphonema turris Ehrenb. -- accepted
  Gomphonema ventricosum W. Greg. -- not accepted
  Gomphonema vibrio Ehrenb. -- accepted
  Gomphonema vibrio var. fossile (Pant.) R. Ross -- accepted
  Gomphonema vibrio var. intricatum (Kütz.) R. Ross -- accepted
  Gomphonema vibrio var. pumilum (Grunow in Van Heurck) R. Ross -- accepted
  Gomphonema vibrio var. vibrio Ehrenb. -- accepted
  Gyrosigma acuminatum (Kütz.) Rabenh. -- accepted
  Gyrosigma attenuatum (Kütz.) Rabenh. -- accepted
  Gyrosigma exilis (Grunow) C. W. Reimer -- accepted
  Gyrosigma eximium (Thwaites) Boyer -- accepted
  Gyrosigma kuetzingii (Grunow) Cleve -- not accepted
  Gyrosigma macrum (W. Sm.) J. W. Griff. & Henfr. -- accepted
  Gyrosigma obscurum (W. Sm.) J. W. Griff. & Henfr. -- accepted
  Gyrosigma obtusatum (Sull. & Wormley) Boyer -- accepted
  Gyrosigma parkeri (M. B. Harrison) Elmore -- not accepted
  Gyrosigma reimeri Sterrenburg -- accepted
  Gyrosigma scalproides (Rabenh.) Cleve -- not accepted
  Gyrosigma sciotense (Sull. & Wormley) Cleve -- not accepted
  Gyrosigma sciotoense (Sull. & Wormley) Cleve -- accepted
  Gyrosigma spencerii (Quek.) J. W. Griff. & Henfr. -- not accepted
  Gyrosigma spencerii var. curvula (Grunow) C. W. Reimer -- accepted
  Gyrosigma spencerii var. nodifera (Grunow) Cleve -- not accepted
  Gyrosigma strigilis (W. Sm.) Cleve -- accepted
  Gyrosigma temperei Cleve -- accepted
  Gyrosigma wormleyi (Sull.) Boyer -- not accepted
  Hannaea arcus (Ehrenb.) R. M. Patrick -- accepted
  Hannaea arcus var. amphioxys (Rabenh.) R. M. Patrick -- accepted
  Hannaea arcus var. arcus (Ehrenb.) R. M. Patrick -- accepted
  Hannaea arcus var. linearis Holmboe -- accepted
  Hantzschia amphioxys (Ehrenb.) Grunow -- accepted
  Hantzschia amphioxys var. amphioxys (Ehrenb.) Grunow -- accepted
  Hantzschia amphioxys var. capitata O. Müll. -- accepted
  Hantzschia amphioxys var. virax (Hantzsch) Grunow -- accepted
  Hantzschia virgata (Roper) Grunow in Cleve & Grunow -- accepted
  Hantzschia virgata var. capitellata Hust. -- accepted
  Hantzschia virgata var. virgata (Roper) Grunow in Cleve & Grunow -- accepted
  Hippodonta capitata (Ehrenb.) Lange-Bertalot, Metzeltin and Witkowski -- accepted
  Hippodonta costulata (Grunow in Cleve and Grunow) Lange-Bertalot, Metzeltin and Witkowski -- accepted
  Hippodonta hungarica (Grunow) Lange-Bertalot, Metzeltin and Witkowski -- accepted
  Hippodonta linearis (Østrup) Lange-Bertalot, Metzeltin and Witkowski -- accepted
  Hippodonta lueneburgensis (Grunow) Lange-Bertalot, Metzeltin and Witkowski -- accepted
  Hippodonta subcostulata (Hust.) Lange-Bertalot, Metzeltin and Witkowski -- accepted
  Homoeocladia sigmoidea (Nitzsch) Elmore -- not accepted
  Hyalosynedra laevigata (Grunow) D. M. Williams & Round -- accepted
  Karayevia clevei (Grunow in Cleve & Grunow) Round & Bukht. -- accepted
  Karayevia laterostrata (Hust.) Round & Bukht. -- accepted
  Kobayasia jaagii (F. Meister) Lange-Bertalot -- accepted
  Kobayasia subtilissima (Cleve) Lange-Bertalot -- not accepted
  Kolbesia kolbei (Hust.) Round & Bukht. -- accepted
  Kolbesia ploenensis (Hust.) Round & Bukht. -- accepted
  Krasskella kriegerana (Krasske) R. Ross & P. A. Sims -- accepted
  Luticola cohnii (Hilse) D. G. Mann in Round, Crawford & Mann -- accepted
  Luticola mutica (Kützing) D.G. Mann in Round, R.M. Crawford and D.G. Mann -- accepted
  Luticola muticoides (Hustedt) D.G. Mann in Round, R.M. Crawford and D.G. Mann -- accepted
  Luticola muticopsis (Van Heurck) D.G. Mann in Round, R.M. Crawford and D.G. Mann -- accepted
  Lysigonium granulata (Ehrenb.) Kuntze -- not accepted
  Lysigonium varians (C. Agardh) DeToni -- not accepted
  Martyana martyi (Hérib.) F. E. Round in Round, Crawford & Mann -- accepted
  Mastogloia braunii Grunow -- accepted
  Mastogloia grevillei W. Sm. -- accepted
  Mastogloia lacustris (Grunow) Van Heurck -- not accepted
  Mastogloia smithii Thwaites -- accepted
  Mastogloia smithii var. amphicephala Grunow -- accepted
  Mastogloia smithii var. lacustris Grunow -- accepted
  Mastogloia smithii var. smithii Thwaites -- accepted
  Melosira agassizii Ostenf. -- not accepted
  Melosira agassizii var. malayensis Hust. -- not accepted
  Melosira ambigua (Grunow) O. Müll. -- not accepted
  Melosira arenaria Moore ex Ralfs -- not accepted
  Melosira binderana Kütz. -- not accepted
  Melosira canadensis Hust. -- not accepted
  Melosira crenulata (Ehrenb.) Kütz. -- accepted
  Melosira crenulata var. tenuis Kütz. -- accepted
  Melosira crotonensis (J. W. Bail.) H. L. Sm. -- not accepted
  Melosira dendroteres (Rabenh.) R. Ross -- accepted
  Melosira dickiei (Thwaites) Kütz. -- accepted
  Melosira distans (Ehrenb.) Kütz. -- not accepted
  Melosira distans var. alpigena Grunow -- not accepted
  Melosira distans var. distans (Ehrenb.) Kütz. -- not accepted
  Melosira distans var. limnetica O. Müll. -- not accepted
  Melosira granulata (Ehrenb.) Ralfs -- not accepted
  Melosira granulata f. spiralis Grunow -- accepted
  Melosira granulata var. angustissima O. Müll. -- not accepted
  Melosira granulata var. angustissima f. curvata Grunow -- not accepted
  Melosira granulata var. angustissima f. spiralis O. Müll. -- not accepted
  Melosira granulata var. granulata (Ehrenb.) Ralfs -- not accepted
  Melosira granulata var. muzzanensis (F. Meister) Bethge -- not accepted
  Melosira islandica O. Müll. -- not accepted
  Melosira islandica var. islandica O. Müll. -- not accepted
  Melosira italica (Ehrenb.) Kütz. -- accepted
  Melosira italica ssp. subarctica O. Müll. -- not accepted
  Melosira longispina Hust. -- accepted
  Melosira roseana Rabenh. -- not accepted
  Melosira undulata (Ehrenb.) Kütz. -- accepted
  Melosira undulata var. normanii Arn. -- accepted
  Melosira undulata var. undulata (Ehrenb.) Kütz. -- accepted
  Melosira varians C. Agardh -- accepted
  Meridion anceps (Ehrenb.) D. M. Williams -- accepted
  Meridion circulare (Grev.) C. Agardh -- accepted
  Meridion circulare var. circulare (Grev.) C. Agardh -- accepted
  Meridion circulare var. constrictum (Ralfs) Van Heurck -- accepted
  Meridion constrictum Ralfs -- not accepted
  Meridion intermedium H. L. Sm. -- accepted
  Meridion intermedium var. constrictum H. L. Sm. -- accepted
  Meridion vernale C. Agardh -- not accepted
  Microsiphona potamos Weber -- not accepted
  Navicula abiskoensis Hustedt -- not accepted
  Navicula aboensis (Cleve) Hustedt -- accepted
  Navicula absoluta Hustedt -- not accepted
  Navicula acceptata Hust. -- not accepted
  Navicula accomoda Hust. -- not accepted
  Navicula affinis Ehrenberg -- not accepted
  Navicula agnita Hustedt -- accepted
  Navicula aikensis Patrick -- not accepted
  Navicula ambigua Ehrenb. -- not accepted
  Navicula ambigua var. craticularis Ehrenb. -- not accepted
  Navicula americana Ehrenb. -- not accepted
  Navicula amphibola Cleve -- not accepted
  Navicula amphibola var. perrieri M. Peragallo and Héribaud in Héribaud -- accepted
  Navicula amphibola var. polymorpha Fusey -- accepted
  Navicula amphiceros Kützing -- not accepted
  Navicula amphigomphus Ehrenb. -- not accepted
  Navicula amygdalina Hustedt in Schmidt et al. -- not accepted
  Navicula anatis Hohn and Hellerman -- accepted
  Navicula anglica Ralfs in Pritchard -- not accepted
  Navicula angusta Grunow -- accepted
  Navicula angustata W. Smith -- not accepted
  Navicula appendiculata (C. Agardh) Kützing -- not accepted
  Navicula arvensis Hustedt -- accepted
  Navicula atomus (Kützing) Grunow -- not accepted
  Navicula atomus var. permitis (Hustedt) Lange-Bertalot -- not accepted
  Navicula atomus var. recondita (Hustedt) Lange-Bertalot -- not accepted
  Navicula aurora Sovereign -- accepted
  Navicula bacillaris Gregory -- not accepted
  Navicula bacilliformis Grunow -- not accepted
  Navicula bacillum Ehrenberg -- not accepted
  Navicula balcanica Hustedt -- not accepted
  Navicula begeri Krasske -- not accepted
  Navicula bicapitata Lagerst. -- not accepted
  Navicula bicapitellata Hustedt -- accepted
  Navicula bicephala Hustedt -- accepted
  Navicula bicontracta Østrup -- not accepted
  Navicula binodis Ehrenb. -- not accepted
  Navicula brebissonii Kütz. -- not accepted
  Navicula bryophila J.B. Petersen -- not accepted
  Navicula campylogramma Ehrenberg -- not accepted
  Navicula canalis Patrick -- accepted
  Navicula capitata Ehrenb. -- not accepted
  Navicula capitata var. capitata Ehrenb. -- not accepted
  Navicula capitata var. hungarica (Grunow) R. Ross -- not accepted
  Navicula capitata var. linearis (Østrup) Stoermer and Kreis -- not accepted
  Navicula capitata var. lueneburgensis (Grunow) R. M. Patrick -- not accepted
  Navicula capitatoradiata Germain -- accepted
  Navicula capsa Hohn -- accepted
  Navicula cardinalis Ehrenb. -- not accepted
  Navicula cari Ehrenberg -- accepted
  Navicula cari var. angusta (Grunow) Grunow -- not accepted
  Navicula cari var. cari Ehrenberg -- accepted
  Navicula caroliniana Patrick -- not accepted
  Navicula cascadensis Sovereign -- accepted
  Navicula certa Hustedt -- not accepted
  Navicula cincta (Ehrenberg) Ralfs in Pritchard -- accepted
  Navicula cincta var. rostrata Reimer -- accepted
  Navicula circumtexta F. Meister ex Hustedt -- not accepted
  Navicula citrus Krasske -- accepted
  Navicula clamans Hustedt -- not accepted
  Navicula clementis Grunow -- not accepted
  Navicula clementis var. clementis Grunow -- not accepted
  Navicula clementis var. linearis Brander -- not accepted
  Navicula clementis var. quadristigmata Manguin ex Kociolek and Reviers -- accepted
  Navicula clementoides Hustedt -- not accepted
  Navicula cocconeiformis W. Greg. ex Grev. -- not accepted
  Navicula confervacea (Kütz.) Grunow -- not accepted
  Navicula confervacea var. peregrina (W. Sm.) Grunow -- not accepted
  Navicula constans Hustedt -- not accepted
  Navicula constans var. constans Hustedt -- not accepted
  Navicula constans var. symmetrica Hustedt -- not accepted
  Navicula contenta Grunow -- not accepted
  Navicula contenta var. biceps (Arn. ms., Grunow in Van Heurck) Cleve -- not accepted
  Navicula contenta var. contenta Grunow -- not accepted
  Navicula contraria Patrick -- accepted
  Navicula costulata Grunow in Cleve and Grunow -- not accepted
  Navicula costuloides Skvortzov -- accepted
  Navicula crucicula (W. Sm.) Donkin -- not accepted
  Navicula cryptocefalsa Lange-Bertalot -- accepted
  Navicula cryptocephala Kützing -- accepted
  Navicula cryptocephala var. cryptocephala Kützing -- accepted
  Navicula cryptocephala var. exilis (Kützing) Grunow in Van Heurck -- not accepted
  Navicula cryptocephala var. intermedia Van Heurck -- not accepted
  Navicula cryptocephala var. lancettula (Schumann) Grunow in Van Heurck -- not accepted
  Navicula cryptocephala var. veneta (Kützing) Rabenh. -- not accepted
  Navicula cryptocephaloides Hustedt -- accepted
  Navicula cryptotenella Lange-Bertalot -- accepted
  Navicula cuspidata (Kützing) Kützing -- not accepted
  Navicula cuspidata var. ambigua (Ehrenb.) Cleve -- not accepted
  Navicula cuspidata var. cuspidata (Kützing) Kützing -- not accepted
  Navicula cuspidata var. major F. Meister -- not accepted
  Navicula declivis Hust. -- not accepted
  Navicula decussis Østrup -- not accepted
  Navicula densestriata Hustedt -- accepted
  Navicula detenta Hustedt -- accepted
  Navicula dicephala W. Sm. -- not accepted
  Navicula dicephala var. dicephala W. Sm. -- not accepted
  Navicula dicephala var. elginensis (W. Greg.) Cleve -- not accepted
  Navicula dilata Ehrenberg -- not accepted
  Navicula diluviana Krasske -- not accepted
  Navicula disputans Patrick -- accepted
  Navicula dissipata Hustedt -- accepted
  Navicula distinctastriata Hohn and Hellerman -- accepted
  Navicula divergens (W. Sm.) Ralfs -- not accepted
  Navicula dubia Ehrenb. -- not accepted
  Navicula dulcis Krasske -- accepted
  Navicula elegans W. Sm. -- not accepted
  Navicula elginensis (W. Greg.) Ralfs -- not accepted
  Navicula elliptica Kützing -- not accepted
  Navicula elliptica var. minutissima Grunow -- not accepted
  Navicula excelsa Krasske -- not accepted
  Navicula exigua (W. Greg.) Grunow -- not accepted
  Navicula exigua var. capitata Patrick -- accepted
  Navicula exiguiformis Hustedt -- not accepted
  Navicula exiguoides Hustedt -- not accepted
  Navicula exilis Kützing -- accepted
  Navicula explanata Hustedt -- not accepted
  Navicula farta Hustedt in Schmidt et al. -- accepted
  Navicula festiva Krasske -- accepted
  Navicula fracta Hustedt ex Simonsen -- not accepted
  Navicula gastriformis Hustedt -- not accepted
  Navicula gastrum (Ehrenb.) Kütz. -- not accepted
  Navicula gastrum var. gastrum (Ehrenb.) Kütz. -- not accepted
  Navicula germainii Wallace -- accepted
  Navicula gibba (Ehrenb.) Kütz. -- not accepted
  Navicula gibbosa Hustedt -- not accepted
  Navicula globiceps (W. Greg.) Ralfs in Pritchard -- not accepted
  Navicula globosa F. Meister -- not accepted
  Navicula goeppertiana (Bleisch in Rabenh.) H.L. Smith -- not accepted
  Navicula gottlandica Grunow -- accepted
  Navicula gracilis Ehrenberg -- not accepted
  Navicula gracilis var. gracilis Ehrenb. -- not accepted
  Navicula gracilis var. schizonemoides Van Heurck -- not accepted
  Navicula graciloides Mayer -- accepted
  Navicula gregaria Donkin -- accepted
  Navicula grimmei Krasske -- accepted
  Navicula gysingensis Foged -- accepted
  Navicula halophila (Grunow) Cleve -- not accepted
  Navicula halophila f. tenuirostris Hustedt -- not accepted
  Navicula hambergii Hustedt -- not accepted
  Navicula hassiaca Krasske -- not accepted
  Navicula hasta Pantocsek -- accepted
  Navicula hasta var. hasta Pantocsek -- accepted
  Navicula helensis E. Schulz -- not accepted
  Navicula hemiptera Kütz. -- not accepted
  Navicula heufleri Grunow -- accepted
  Navicula heufleri var. heufleri Grunow -- accepted
  Navicula heufleri var. leptocephala (Brébisson) Patrick -- accepted
  Navicula hitchcockii Ehrenb. -- not accepted
  Navicula hungarica Grunow -- not accepted
  Navicula hungarica var. capitata (Ehrenb.) Cleve -- not accepted
  Navicula hungarica var. linearis Østrup -- not accepted
  Navicula hustedtii Krasske -- not accepted
  Navicula hustedtii f. obtusa (Hustedt) Hustedt -- not accepted
  Navicula hustedtii var. hustedtii Krasske -- not accepted
  Navicula imbricata Bock -- accepted
  Navicula importuna Hustedt -- not accepted
  Navicula incerta Grunow -- not accepted
  Navicula inflata (Kützing) Kützing -- accepted
  Navicula inflexa (Gregory) Ralfs in Pritchard -- accepted
  Navicula ingenua Hustedt -- accepted
  Navicula ingrata Krasske -- accepted
  Navicula insignita Hustedt -- not accepted
  Navicula insociabilis Krasske -- not accepted
  Navicula insociabilis var. insociabilis Krasske -- not accepted
  Navicula integra (W. Smith) Ralfs -- not accepted
  Navicula interglacialis Hustedt -- not accepted
  Navicula intractata Hustedt -- not accepted
  Navicula iridis Ehrenb. -- not accepted
  Navicula iridis var. affinis Van Heurck -- not accepted
  Navicula iridis var. amphigomphus Ehrenb. -- not accepted
  Navicula iridis var. amphirhynchus Ehrenberg -- not accepted
  Navicula iridis var. firma W. Smith -- not accepted
  Navicula iridis var. producta W. Sm. -- not accepted
  Navicula jaagii F. Meister -- not accepted
  Navicula jaernefeltii Hustedt -- not accepted
  Navicula jentzschii Grunow -- accepted
  Navicula kotschyi Grunow -- accepted
  Navicula krasskei Hustedt -- not accepted
  Navicula kriegeri Krasske -- not accepted
  Navicula lacunarum Grunow -- accepted
  Navicula lacustris W. Greg. -- not accepted
  Navicula ladogensis Cleve -- not accepted
  Navicula laevissima Kützing -- not accepted
  Navicula lanceolata (Agardh) Kützing -- accepted
  Navicula lanceolata var. cymbula (Donkin) Cleve -- not accepted
  Navicula lanceolata var. lanceolata (Agardh) Kützing -- accepted
  Navicula lanceolata var. tenuirostris Skvortzov -- accepted
  Navicula latens Krasske -- not accepted
  Navicula lateropunctata Wallace -- not accepted
  Navicula laterostrata Hustedt -- accepted
  Navicula lenzii Hustedt -- accepted
  Navicula levanderi Hustedt -- not accepted
  Navicula limosa Kützing -- not accepted
  Navicula limosa var. gibberula (Kütz.) Grunow -- not accepted
  Navicula longa (Gregory) Ralfs in Pritchard -- accepted
  Navicula longa var. longa (Gregory) Ralfs in Pritchard -- accepted
  Navicula longirostris Hustedt -- not accepted
  Navicula lundstroemii Cleve in Cleve and Grunow -- not accepted
  Navicula luzonensis Hustedt -- accepted
  Navicula major (Kützing) Kützing -- not accepted
  Navicula maxima Gregory -- not accepted
  Navicula mediocris Krasske -- not accepted
  Navicula menisculoides Hustedt -- not accepted
  Navicula menisculus Schumann -- accepted
  Navicula menisculus var. krenneri Cleve-Euler -- accepted
  Navicula menisculus var. obtusa Hustedt -- accepted
  Navicula menisculus var. upsaliensis Grunow -- not accepted
  Navicula meniscus Schumann -- accepted
  Navicula mesolepta Ehrenb. -- not accepted
  Navicula micropupula Cholnoky -- accepted
  Navicula minima Grunow -- not accepted
  Navicula minima var. okamurae Skvortzov -- accepted
  Navicula minnewaukonensis Elmore -- accepted
  Navicula minuscula Grunow in Van Heurck -- accepted
  Navicula minuscula var. alpestris Hustedt in Schmidt et al. -- not accepted
  Navicula minusculoides Hustedt -- not accepted
  Navicula monoculata Hustedt -- not accepted
  Navicula muraliformis Hustedt -- not accepted
  Navicula muralis Grunow -- not accepted
  Navicula mutica Kützing -- not accepted
  Navicula mutica var. cohnii (Hilse) Grunow -- not accepted
  Navicula mutica var. mutica Kützing -- not accepted
  Navicula mutica var. tropica Hustedt -- not accepted
  Navicula muticoides Hustedt -- not accepted
  Navicula muticopsis Van Heurck -- not accepted
  Navicula neoventricosa Hustedt -- accepted
  Navicula nobilis (Ehrenb.) Kütz. -- not accepted
  Navicula notha Wallace -- accepted
  Navicula nyassensis O. Müll. -- not accepted
  Navicula nyassensis var. nyassensis O. Müll. -- not accepted
  Navicula obdurata Hohn and Hellerman -- not accepted
  Navicula oblonga (Kützing) Kützing -- accepted
  Navicula odiosa Wallace -- accepted
  Navicula omissa Hustedt -- not accepted
  Navicula opportuna Hustedt -- not accepted
  Navicula oppugnata Hustedt -- accepted
  Navicula ordinaria Hustedt -- accepted
  Navicula paanaensis Cleve-Euler -- accepted
  Navicula paca Hohn and Hellerman -- accepted
  Navicula paludosa Hustedt -- not accepted
  Navicula parva (Ehrenberg) Ralfs in Pritchard -- accepted
  Navicula paucivisitata Patrick -- accepted
  Navicula pelliculosa (Kützing) Hilse -- accepted
  Navicula peratomus Hustedt -- accepted
  Navicula peregrina (Ehrenberg) Kützing -- accepted
  Navicula permitis Hustedt -- not accepted
  Navicula perpusilla Grunow -- not accepted
  Navicula perrotettii (Grunow) Cleve -- accepted
  Navicula perrotettii var. enervis Hustedt -- accepted
  Navicula perrotettii var. perrotettii (Grunow) Cleve -- accepted
  Navicula placenta Ehrenberg -- not accepted
  Navicula placentula (Ehrenb.) Kütz. -- not accepted
  Navicula placentula var. placentula (Ehrenb.) Kütz. -- not accepted
  Navicula placentula var. rostrata Mayer -- not accepted
  Navicula platycephala Müller -- not accepted
  Navicula platystoma Ehrenberg -- accepted
  Navicula platystoma var. pantocsekii Wislouch and Kolbe -- accepted
  Navicula platystoma var. platystoma Ehrenberg -- accepted
  Navicula potzgeri Reimer -- accepted
  Navicula praeterita Hustedt -- accepted
  Navicula producta W. Sm. -- not accepted
  Navicula protracta (Grunow) Cleve -- not accepted
  Navicula protracta f. subcapitata (Wislouch and V.S. Poretzky) Hustedt -- not accepted
  Navicula protracta var. elliptica Gallik -- not accepted
  Navicula protracta var. protracta (Grunow) Cleve -- not accepted
  Navicula pseudanglica Lange-Bertalot -- not accepted
  Navicula pseudobacillum Grunow -- not accepted
  Navicula pseudoclementis Hustedt -- not accepted
  Navicula pseudomuralis Hust. -- not accepted
  Navicula pseudoreinhardtii Patrick -- accepted
  Navicula pseudoscutiformis Hustedt -- not accepted
  Navicula pseudoventralis Hustedt -- accepted
  Navicula punctata Donkin -- accepted
  Navicula pupula Kützing -- not accepted
  Navicula pupula var. capitata Hustedt -- not accepted
  Navicula pupula var. elliptica Hustedt -- not accepted
  Navicula pupula var. mutata (Krasske) Hustedt -- not accepted
  Navicula pupula var. pupula Kützing -- not accepted
  Navicula pupula var. rectangularis (W. Greg.) Grunow -- not accepted
  Navicula pupula var. rostrata Hustedt -- not accepted
  Navicula pusilla W. Sm. -- not accepted
  Navicula pygmaea Kützing -- not accepted
  Navicula pygmaea var. pygmaea Kützing -- not accepted
  Navicula quadripartita Hustedt -- accepted
  Navicula radiosa Kützing -- accepted
  Navicula radiosa var. parva J.H. Wallace -- not accepted
  Navicula radiosa var. radiosa Kützing -- accepted
  Navicula radiosa var. tenella (Brébisson ex Kütziny) Grunow in Van Heurck -- not accepted
  Navicula radiosafallax Lange-Bertalot -- accepted
  Navicula recondita Hustedt -- not accepted
  Navicula reinhardtii (Grunow) Grunow -- accepted
  Navicula reinhardtii var. elliptica Héribaud -- accepted
  Navicula reinhardtii var. reinhardtii Grunow -- accepted
  Navicula rhomboides Ehrenberg -- not accepted
  Navicula rhynchocephala Kützing -- accepted
  Navicula rhynchocephala var. amphiceros (Kützing) Grunow -- not accepted
  Navicula rhynchocephala var. germainii (Wallace) Patrick -- not accepted
  Navicula rhynchocephala var. rhynchocephala Kützing -- accepted
  Navicula rhynchotella Lange-Bertalot -- accepted
  Navicula rostellata Kützing -- accepted
  Navicula rotaeana (Rabenh.) Grunow in Van Heurck -- accepted
  Navicula rotaeana var. excentrica Grunow -- not accepted
  Navicula rotunda Hustedt -- not accepted
  Navicula sabiniana Patrick -- accepted
  Navicula salinarum Grunow -- accepted
  Navicula salinarum var. intermedia (Grunow) Cleve -- not accepted
  Navicula salinarum var. salinarum Grunow -- accepted
  Navicula saugerii Desmazieres -- accepted
  Navicula schmassmannii Hustedt -- accepted
  Navicula schoenfeldii Hustedt -- not accepted
  Navicula schroeteri var. escambia R.M. Patrick -- not accepted
  Navicula schroeteri var. schoeteri F. Meister -- accepted
  Navicula schumanniana Grunow -- not accepted
  Navicula sculpta Ehrenb. -- not accepted
  Navicula scutelloides W. Smith -- not accepted
  Navicula scutiformis Grunow ex A. Schmidt -- not accepted
  Navicula secreta Pantocsek -- accepted
  Navicula secura Patrick -- not accepted
  Navicula semen Ehrenberg -- accepted
  Navicula semenoides Hustedt -- accepted
  Navicula seminuloides Hustedt -- accepted
  Navicula seminulum Grunow -- not accepted
  Navicula seminulum var. seminulum Grunow -- not accepted
  Navicula serians (Brébisson) Kütz. -- not accepted
  Navicula sigma Ehrenberg -- accepted
  Navicula similis Krasske -- not accepted
  Navicula simplex Krasske -- accepted
  Navicula skabitschewskyi Sabelina -- not accepted
  Navicula smithii Brébisson -- not accepted
  Navicula sovereignae Hustedt -- not accepted
  Navicula sphaerophora Kützing -- not accepted
  Navicula splendicula VanLandingham -- accepted
  Navicula staurifera Thomas in Thomas and Chase -- accepted
  Navicula stroemii Hustedt -- not accepted
  Navicula stroesei (Østrup) A. Cleve -- not accepted
  Navicula subbacillum Hustedt -- not accepted
  Navicula subclementis Hustedt -- not accepted
  Navicula subcostulata Hust. -- not accepted
  Navicula subgastriformis Hustedt -- not accepted
  Navicula subhalophila Hust. -- not accepted
  Navicula subhamulata Grunow in Van Heurck -- not accepted
  Navicula submitis Hustedt -- not accepted
  Navicula submuralis Hustedt -- not accepted
  Navicula subocculta Hustedt -- accepted
  Navicula subrhynchocephala Hustedt -- accepted
  Navicula subrotundata Hustedt -- accepted
  Navicula subrotundata f. lanceolata Hustedt -- accepted
  Navicula subseminulum Hustedt in Brendemühl -- accepted
  Navicula subsulcata Hustedt -- accepted
  Navicula subtilissima Cleve -- not accepted
  Navicula symmetrica Patrick -- accepted
  Navicula tabellaria (Ehrenb.) Kütz. -- not accepted
  Navicula tantula Hustedt -- not accepted
  Navicula tecta Krasske -- not accepted
  Navicula tenella (Brébisson ex Kütziny) Van Heurck -- not accepted
  Navicula tenera Hustedt -- not accepted
  Navicula termes Ehrenberg -- not accepted
  Navicula terminata Hustedt -- not accepted
  Navicula texana Patrick -- accepted
  Navicula tridentula Krasske -- accepted
  Navicula tridentula var. parallela Krasske -- accepted
  Navicula tridentula var. tridentula Krasske -- accepted
  Navicula trinodis Lewis -- not accepted
  Navicula tripunctata (O.F. Müller) Bory -- accepted
  Navicula tripunctata var. cuneata (Lauby) Stoermer and Yang -- accepted
  Navicula tripunctata var. schizonemoides (Van Heurck) Patrick -- accepted
  Navicula tripunctata var. tripunctata (O.F. Müller) Bory -- accepted
  Navicula trochus Schum. -- not accepted
  Navicula tumida W. Smith -- not accepted
  Navicula tuscula Ehrenb. -- not accepted
  Navicula tuscula f. minor Hust. -- not accepted
  Navicula tuscula var. stroesei (Østrup) A. Cleve -- not accepted
  Navicula tuscula var. tuscula Ehrenb. -- not accepted
  Navicula vanheurckii R. M. Patrick -- not accepted
  Navicula varians Gregory -- accepted
  Navicula variostriata Krasske -- not accepted
  Navicula vaucheriae J.B. Petersen -- not accepted
  Navicula ventosa Hustedt -- not accepted
  Navicula ventralis Krasske -- not accepted
  Navicula ventralis var. ventralis Krasske -- not accepted
  Navicula verecunda Hustedt -- not accepted
  Navicula viridis (Nitzsch) Ehrenberg -- not accepted
  Navicula viridula (Kützing) Ehrenberg -- accepted
  Navicula viridula var. avenacea (Brébisson) Van Heurck -- accepted
  Navicula viridula var. germainii (Wallace) Lange-Bertalot -- not accepted
  Navicula viridula var. linearis Hustedt -- not accepted
  Navicula viridula var. rostellata (Kützing) Cleve -- not accepted
  Navicula viridula var. viridula (Kützing) Ehrenberg -- accepted
  Navicula vitabunda Hustedt -- not accepted
  Navicula vitabunda var. vitabunda Hustedt -- not accepted
  Navicula vulpina Kützing -- accepted
  Navicula vulpina var. avenacea (Van Heurck) Patrick -- accepted
  Navicula wittrockii (Lagerst.) Tempère and M. Peragallo -- not accepted
  Navicula zanoni Hustedt -- accepted
  Neidium affine (Ehrenberg) Pfitzer -- accepted
  Neidium affine var. affine (Ehrenberg) Pfitzer -- accepted
  Neidium affine var. amphirhynchus (Ehrenberg) Cleve -- accepted
  Neidium affine var. capitata Mölder -- accepted
  Neidium affine var. ceylonicum (Skvortsov) C. W. Reimer -- accepted
  Neidium affine var. hankense (Skvortsov) C. W. Reimer -- accepted
  Neidium affine var. humerus C. W. Reimer -- accepted
  Neidium affine var. undulatum (Grunow) Cleve -- accepted
  Neidium amphigomphus (Ehrenb.) Pfitz. -- not accepted
  Neidium ampliatum (Ehrenberg) Krammer in Krammer and Lange-Bertalot -- accepted
  Neidium apiculatum C. W. Reimer -- accepted
  Neidium binode (Ehrenb.) Hustedt -- not accepted
  Neidium bisulcatum (Lagerst.) Cleve -- accepted
  Neidium bisulcatum var. baicalense (Skvortsov & K. I. Mey.) C. W. Reimer -- accepted
  Neidium bisulcatum var. bisulcatum (Lagerst.) Cleve -- accepted
  Neidium bisulcatum var. subundulatum (Grunow) C. W. Reimer in Patrick & Reimer -- accepted
  Neidium bisulcatum var. undulatum O. Müll. -- not accepted
  Neidium calvum Østrup -- accepted
  Neidium dilatatum (Ehrenberg) Cleve -- accepted
  Neidium distinctepunctatum Hust. -- accepted
  Neidium dubium (Ehrenb.) Cleve -- accepted
  Neidium dubium f. constrictum (Hust.) Hust. -- accepted
  Neidium dubium var. dubium (Ehrenb.) Cleve -- accepted
  Neidium hankensis Skvortsov -- accepted
  Neidium hitchcockii (Ehrenb.) Cleve -- accepted
  Neidium iridis (Ehrenb.) Cleve -- accepted
  Neidium iridis var. amphigomphus (Ehrenb.) A. Mayer -- accepted
  Neidium iridis var. ampliatum (Ehrenb.) Cleve -- not accepted
  Neidium iridis var. vernalis Reich. -- accepted
  Neidium kozlowi Mersechk. -- accepted
  Neidium ladogense (Cleve) Stoermer & J. J. Yang -- accepted
  Neidium levanderi (Hustedt) Lange-Bert. and Metzeltin in Lange-Bert. -- accepted
  Neidium mirum Krasske -- accepted
  Neidium productum (W. Sm.) Cleve -- accepted
  Neidium sacoense C. W. Reimer -- accepted
  Neidium temperei C. W. Reimer -- accepted
  Nitzschia accomodata Hust. -- accepted
  Nitzschia acicularioides Hust. -- not accepted
  Nitzschia acicularis (Kütz.) W. Sm. -- accepted
  Nitzschia acidoclinata Lange-Bert. -- accepted
  Nitzschia actinastroides (Lemm.) Van Goor -- accepted
  Nitzschia acula Hantzsch ex Cleve & Grunow -- accepted
  Nitzschia acuminata (W. Sm.) Grunow -- accepted
  Nitzschia acuta Cleve -- not accepted
  Nitzschia adapta Hust. -- accepted
  Nitzschia agnewii Cholnoky -- accepted
  Nitzschia agnita Hust. -- accepted
  Nitzschia amphibia Grunow -- accepted
  Nitzschia amphibia var. fossilis Grunow -- accepted
  Nitzschia amphibia var. frauenfeldii Grunow -- accepted
  Nitzschia amphicephala Grunow -- accepted
  Nitzschia amphioxoides Hust. -- accepted
  Nitzschia amphioxys (Ehrenb.) W. Sm. -- not accepted
  Nitzschia angustata (W. Sm.) Grunow -- not accepted
  Nitzschia angustata var. acuta Grunow -- not accepted
  Nitzschia angustata var. angustata (W. Sm.) Grunow -- not accepted
  Nitzschia angustatula Lange-Bert. -- accepted
  Nitzschia apiculata (W. Greg.) Grunow -- not accepted
  Nitzschia archibaldii Lange-Bert. -- accepted
  Nitzschia bacata Hust. -- accepted
  Nitzschia bacata f. linearis Hust. -- accepted
  Nitzschia bremensis Hust. -- accepted
  Nitzschia brevirostris Hust. -- accepted
  Nitzschia bulnheimiana (Rabenh.) H. L. Sm. -- accepted
  Nitzschia capitellata Hust. -- accepted
  Nitzschia circumsuta (Bailey) Grunow -- accepted
  Nitzschia clausii Hantzsch -- accepted
  Nitzschia closterium (Ehrenb.) W. Sm. -- accepted
  Nitzschia communis Rabenh. -- accepted
  Nitzschia communis var. abbreviata Grunow -- accepted
  Nitzschia communis var. communis Rabenh. -- accepted
  Nitzschia commutata Grunow -- accepted
  Nitzschia confinis Hust. -- accepted
  Nitzschia debilis (Arn.) Grunow -- accepted
  Nitzschia delicatissima Cleve -- accepted
  Nitzschia denticula Grunow -- accepted
  Nitzschia diserta Hust. -- accepted
  Nitzschia dissipata (Kütz.) Grunow -- accepted
  Nitzschia dissipata f. undulata Sovereign -- accepted
  Nitzschia dissipata var. borneensis Hust. -- accepted
  Nitzschia dissipata var. dissipata (Kütz.) Grunow -- accepted
  Nitzschia dissipata var. media (Hantzsch) Grunow -- accepted
  Nitzschia draveillensis Coste & Ricard -- accepted
  Nitzschia dubia W. Sm. -- accepted
  Nitzschia elegens Hust. -- accepted
  Nitzschia epiphytica Hust. -- accepted
  Nitzschia epiphyticoides Hust. -- accepted
  Nitzschia fasciculata Grunow -- accepted
  Nitzschia filiformis (W. Sm.) Van Heurck -- accepted
  Nitzschia filiformis var. conferta (P. G. Richt.) Lange-Bert. -- accepted
  Nitzschia flexa Schum. -- accepted
  Nitzschia fluminenesis Grunow -- accepted
  Nitzschia fonticola Grunow -- accepted
  Nitzschia fonticola var. capitata A. Cleve -- accepted
  Nitzschia fonticola var. fonticola Grunow -- accepted
  Nitzschia fonticola var. pelagica Hust. -- accepted
  Nitzschia fonticoloides Sovereign -- accepted
  Nitzschia frustulum (Kütz.) Grunow -- accepted
  Nitzschia frustulum var. frustulum (Kütz.) Grunow -- accepted
  Nitzschia frustulum var. minutula Grunow in Van Heurck -- accepted
  Nitzschia frustulum var. perminuta Grunow -- accepted
  Nitzschia frustulum var. perpusilla (Rabenh.) Grunow -- accepted
  Nitzschia frustulum var. subsalina Hust. -- accepted
  Nitzschia frustulum var. tenella Grunow -- accepted
  Nitzschia gandersheimiensis Krasske -- accepted
  Nitzschia gessneri Hust. -- accepted
  Nitzschia graciliformis Lange-Bert. & Simonsen -- accepted
  Nitzschia gracilis Hantzsch -- accepted
  Nitzschia graciloides Hust. -- accepted
  Nitzschia hantzschiana Rabenh. -- accepted
  Nitzschia heufleriana Grunow -- accepted
  Nitzschia hollerupensis Foged -- accepted
  Nitzschia holsatica Hust. -- accepted
  Nitzschia homburgiensis Lange-Bert. -- accepted
  Nitzschia hungarica Grunow -- not accepted
  Nitzschia ignorata Krasske -- accepted
  Nitzschia impressa Hust. -- accepted
  Nitzschia inconspicua Grunow -- accepted
  Nitzschia innominata Sovereign -- accepted
  Nitzschia insecta Hust. -- accepted
  Nitzschia intermedia Hantzsch -- accepted
  Nitzschia interrupta (Reich.) Hust. -- not accepted
  Nitzschia kuetzingiana Hilse -- accepted
  Nitzschia kuetzingiana var. exilis Grunow -- accepted
  Nitzschia kuetzingiana var. kuetzingiana Hilse -- accepted
  Nitzschia kuetzingioides Hust. -- not accepted
  Nitzschia lacunarum Hust. -- accepted
  Nitzschia lacuum Lange-Bert. -- accepted
  Nitzschia lauenburgiana Hust. -- not accepted
  Nitzschia levidensis (W. Sm.) Grunow -- accepted
  Nitzschia linearis (C. Agardh) W. Sm. -- accepted
  Nitzschia linearis var. tenuis (Kütz.) Grunow -- accepted
  Nitzschia longissima (Bréb.) Ralfs -- accepted
  Nitzschia longissima f. parva Grunow -- accepted
  Nitzschia longissima var. closterium (W. Sm.) Van Heurck -- accepted
  Nitzschia longissima var. longissima (Bréb.) Ralfs -- accepted
  Nitzschia longissima var. reversa Grunow -- accepted
  Nitzschia lorenziana Grunow -- accepted
  Nitzschia lorenziana var. lorenziana Grunow -- accepted
  Nitzschia luzonensis Hust. -- accepted
  Nitzschia macilenta W. Greg. -- accepted
  Nitzschia mediocris Hust. -- accepted
  Nitzschia microcephala Grunow -- accepted
  Nitzschia minutula Grunow -- accepted
  Nitzschia obsidialis Hust. -- accepted
  Nitzschia obtusa W. Sm. -- accepted
  Nitzschia obtusa var. obtusa W. Sm. -- accepted
  Nitzschia obtusa var. scalpelliformis Grunow -- accepted
  Nitzschia ovalis Arn. -- accepted
  Nitzschia palea (Kütz.) W. Sm. -- accepted
  Nitzschia palea var. debilis (Kütz.) Grunow -- accepted
  Nitzschia palea var. palea (Kütz.) W. Sm. -- accepted
  Nitzschia palea var. sumatrana Hust. -- accepted
  Nitzschia palea var. tenuirostris Grunow -- accepted
  Nitzschia paleacea Grunow -- accepted
  Nitzschia paleoides Hust. -- accepted
  Nitzschia paradoxa (Gmelin) Grunow -- not accepted
  Nitzschia parvula W. Sm. -- accepted
  Nitzschia parvula var. terricola J. W. G. Lund -- accepted
  Nitzschia perminuta (Grunow) M. Perag. -- accepted
  Nitzschia philippinarum Hust. -- accepted
  Nitzschia planctonica Hust. -- accepted
  Nitzschia pseudoamphioxys Hust. -- accepted
  Nitzschia pseudofonticola Hust. -- accepted
  Nitzschia pumila Hust. -- accepted
  Nitzschia pura Hust. -- accepted
  Nitzschia pusilla (Kützing) Grunow emend. Lange-Bert. -- not accepted
  Nitzschia pusilla (Kützing) Grunow -- accepted
  Nitzschia radicula Hust. -- accepted
  Nitzschia recta Hantzsch -- accepted
  Nitzschia romana Grunow -- accepted
  Nitzschia rostellata Hust. -- accepted
  Nitzschia scalaris (Ehrenb.) W. Sm. -- not accepted
  Nitzschia sicula (Castracane) Hustedt -- accepted
  Nitzschia sicula var. migrans (Cleve) Hasle -- accepted
  Nitzschia sigma (Kütz.) W. Sm. -- accepted
  Nitzschia sigma var. diminuta Grunow -- accepted
  Nitzschia sigma var. rigida (Kütz.) Grunow -- accepted
  Nitzschia sigma var. sigmatella (W. Greg.) Grunow -- accepted
  Nitzschia sigmoidea (Nitzsch) W. Sm. -- accepted
  Nitzschia sinuata W. Sm. -- accepted
  Nitzschia sinuata var. delognei (Grunow) Lange-Bertalot -- accepted
  Nitzschia sinuata var. sinuata W. Sm. -- accepted
  Nitzschia sinuata var. tabellaria (Grunow) Grunow -- accepted
  Nitzschia sociabilis Hust. -- accepted
  Nitzschia sphaerophora A. Cleve -- accepted
  Nitzschia spiculoides Hust. -- accepted
  Nitzschia spiculum Hust. -- accepted
  Nitzschia stagnorum Rabenh. -- accepted
  Nitzschia stricta Hust. -- accepted
  Nitzschia subacicularis Hust. -- accepted
  Nitzschia subamphioxoides Hust. -- accepted
  Nitzschia subcapitellata Hust. -- accepted
  Nitzschia sublinearis Hust. -- accepted
  Nitzschia subrostrata Hust. -- accepted
  Nitzschia subrostroides Cholnoky -- accepted
  Nitzschia subtilis (Kütz.) Grunow -- accepted
  Nitzschia subtilis var. paleacea Grunow -- not accepted
  Nitzschia tabellaria Grunow -- not accepted
  Nitzschia tarda Hust. -- accepted
  Nitzschia tenuis W. Sm. -- accepted
  Nitzschia thermalis (Ehrenb.) Auersw. -- accepted
  Nitzschia thermalis var. intermedia Grunow -- accepted
  Nitzschia thermalis var. minor Hilse -- not accepted
  Nitzschia thermalis var. thermalis (Ehrenb.) Auersw. -- accepted
  Nitzschia tropica Hust. -- accepted
  Nitzschia tryblionella Hantzsch in Rabenh. -- not accepted
  Nitzschia tryblionella var. debilis (Arn.) Mayer -- not accepted
  Nitzschia tryblionella var. levidensis (W. Sm.) Grunow -- not accepted
  Nitzschia tryblionella var. victoriae Grunow -- not accepted
  Nitzschia valdestriata Aleem & Hust. -- accepted
  Nitzschia vermicularis (Kütz.) Hantzsch -- accepted
  Nitzschia vexans Grunow -- accepted
  Nitzschia vitrea Norman -- accepted
  Nitzschia vulga Cholnoky -- accepted
  Nitzschia woltereckii Hust. -- accepted
  Odontidium mutabile W. Sm. -- not accepted
  Oestrupia bicontracta (Østrup) Lange-Bertalot and Krammer -- accepted
  Oestrupia zachariasi (Reich.) Hust. -- accepted
  Oestrupia zachariasi var. undulata (Schultz) Stoermer & J. J. Yang -- accepted
  Opephora ansata M. H. Hohn & Hellerm. -- accepted
  Opephora martyi Hérib. -- not accepted
  Opephora pinnata Ehrenb. -- not accepted
  Orthoseira dickiei Thwaites -- not accepted
  Pinnularia abaujensis (Pant.) R. Ross -- accepted
  Pinnularia abaujensis var. linearis (Hust.) R. M. Patrick -- accepted
  Pinnularia abaujensis var. rostrata (R. M. Patrick) R. M. Patrick -- accepted
  Pinnularia abaujensis var. subundulata (Mayer) R. M. Patrick -- accepted
  Pinnularia acrosphaeria W. Sm. -- accepted
  Pinnularia amphioxys Ehrenb. -- accepted
  Pinnularia appendiculata (C. Agardh) Cleve -- accepted
  Pinnularia biceps W. Greg. -- accepted
  Pinnularia biceps f. petersenii R. Ross -- accepted
  Pinnularia borealis Ehrenberg -- accepted
  Pinnularia borealis var. borealis Ehrenb. -- accepted
  Pinnularia borealis var. rectangularis G. W. F. Carlson -- accepted
  Pinnularia brandelii Cleve -- accepted
  Pinnularia braunii (Grunow) Cleve -- accepted
  Pinnularia braunii var. amphicephala (Mayer) Hust. -- accepted
  Pinnularia braunii var. braunii (Grunow) Cleve -- accepted
  Pinnularia brebissonii (Kütz.) Rabenh. -- accepted
  Pinnularia brebissonii var. brebissonii (Kütz.) Rabenh. -- accepted
  Pinnularia brebissonii var. diminuta (Grunow) Cleve -- accepted
  Pinnularia brevicostata Cleve -- accepted
  Pinnularia burkii R. M. Patrick -- accepted
  Pinnularia cardinaliculus Cleve -- accepted
  Pinnularia cardinalis (Ehrenb.) W. Sm. -- accepted
  Pinnularia cocconeis Ehrenb. -- accepted
  Pinnularia dactylus Ehrenberg -- accepted
  Pinnularia distinguenda Cleve -- accepted
  Pinnularia divergens W. Sm. -- accepted
  Pinnularia divergens var. bacillaris (M. Perag.) Mills -- accepted
  Pinnularia divergens var. divergens W. Sm. -- accepted
  Pinnularia divergens var. elliptica (Grunow) Cleve -- accepted
  Pinnularia fasciata Lagerst. -- accepted
  Pinnularia gentilis (Donkin) Cleve -- accepted
  Pinnularia gibba Ehrenb. -- accepted
  Pinnularia gibba f. subundulata Mayer -- accepted
  Pinnularia gibba var. gibba Ehrenb. -- accepted
  Pinnularia gibba var. linearis Hust. -- accepted
  Pinnularia gibba var. parva (Ehrenb.) Grunow -- accepted
  Pinnularia globiceps W. Greg. -- accepted
  Pinnularia globiceps var. globiceps W. Greg. -- accepted
  Pinnularia globiceps var. krockii (Grunow) Cleve -- not accepted
  Pinnularia hemiptera (Kütz.) Rabenh. -- accepted
  Pinnularia intermedia (Lagerst.) Cleve -- accepted
  Pinnularia interrupta W. Sm. -- accepted
  Pinnularia interrupta var. crassior (Grunow) Cleve -- not accepted
  Pinnularia kriegeriana Krasske emend. Foged -- accepted
  Pinnularia krockii (Grunow) Cleve -- accepted
  Pinnularia latevittata Cleve -- accepted
  Pinnularia latevittata var. domingensis Cleve -- accepted
  Pinnularia legumen (Ehrenberg) Ehrenberg -- accepted
  Pinnularia leptosoma (Grunow) Cleve -- not accepted
  Pinnularia leptosoma var. leptosoma (Grunow) Cleve -- not accepted
  Pinnularia lundii Hust. -- accepted
  Pinnularia major (Kützing) Rabenh. -- accepted
  Pinnularia mesolepta (Ehrenb.) W. Sm. -- accepted
  Pinnularia microstauron (Ehrenb.) Cleve -- accepted
  Pinnularia microstauron var. biundulata O. Müll. -- accepted
  Pinnularia microstauron var. microstauron (Ehrenb.) Cleve -- accepted
  Pinnularia molaris (Grunow) Cleve -- not accepted
  Pinnularia nobilis (Ehrenb.) Ehrenb. -- accepted
  Pinnularia nodosa (Ehrenberg) W. Smith -- accepted
  Pinnularia obscura Krasske -- accepted
  Pinnularia radiosa W. Sm. -- accepted
  Pinnularia rupestris Hantzsch -- accepted
  Pinnularia ruttneri Hust. -- accepted
  Pinnularia semicruciata A. Cleve -- accepted
  Pinnularia socialis (T. C. Palm.) Hust. -- accepted
  Pinnularia stomatophora (Grunow) Cleve -- accepted
  Pinnularia subcapitata W. Greg. -- accepted
  Pinnularia subcapitata var. paucistriata (Grunow) Cleve -- accepted
  Pinnularia subcapitata var. subcapitata W. Greg. -- accepted
  Pinnularia subrostrata (A. Cleve) A. Cleve -- accepted
  Pinnularia substomatophora Hust. -- accepted
  Pinnularia sudetica Hilse -- accepted
  Pinnularia tabellaria Ehrenb. -- accepted
  Pinnularia tenuis W. Greg. -- not accepted
  Pinnularia termes Ehrenb. -- accepted
  Pinnularia termitina (Ehrenb.) R. M. Patrick -- accepted
  Pinnularia tibetana Hust. -- accepted
  Pinnularia torta (A. Mann) R. M. Patrick -- accepted
  Pinnularia trigonocephala Cleve -- accepted
  Pinnularia undulata W. Greg. -- not accepted
  Pinnularia undulata var. undulata W. Greg. -- not accepted
  Pinnularia viridis (Nitzsch) Ehrenberg -- accepted
  Pinnularia viridis var. commutata (Grunow) Cleve -- accepted
  Pinnularia viridis var. viridis (Nitzsch) Ehrenb. -- accepted
  Placoneis clementioides (Hustedt) E.J. Cox -- accepted
  Placoneis clementis (Grunow) E.J. Cox -- accepted
  Placoneis dicephala (W. Sm.) Mersechkowsky -- accepted
  Placoneis elginensis (W. Greg.) E.J. Cox -- accepted
  Placoneis exigua (W. Greg.) Mersechkowsky -- accepted
  Placoneis gastrum (Ehrenb.) Mersechkowsky -- accepted
  Placoneis placentula (Ehrenb.) Heinzerl. -- accepted
  Placoneis placentula f. rostrata (Mayer) Bukht. -- accepted
  Placoneis pseudanglica (Cleve-Euler) E.J. Cox -- accepted
  Plagiotropis lepidoptera (W. Greg.) C. W. Reimer in Patrick & Reimer -- accepted
  Plagiotropis lepidoptera var. proboscidea (Cleve) C. W. Reimer in Patrick & Reimer -- accepted
  Planothidium calcar (Cleve) Bukht. & Round -- accepted
  Planothidium delicatulum (Kütz.) Round & Bukht. -- accepted
  Planothidium didymum (Hust.) Round & Bukht. -- accepted
  Planothidium dubium (Grunow) Round & Bukht. -- accepted
  Planothidium ellipticum (A.Cleve) Round & Bukhtiyarova -- accepted
  Planothidium hauckianum (Grunow) Round & Bukht. -- accepted
  Planothidium lanceolatum (Bréb.) Round & Bukht. -- accepted
  Planothidium oestrupii (H. Bachm. & A. Cleve) Round & Bukht. -- accepted
  Planothidium perigallii (Brun & Hérib.) Round & Bukhtiyarova -- accepted
  Planothidium subatomoides (Hust.) Round & Bukht. -- accepted
  Pleurosigma acuminatum (Kütz.) Grunow -- not accepted
  Pleurosigma attenuatum (Kütz.) W. Sm. -- not accepted
  Pleurosigma delicatulum W. Sm. -- accepted
  Pleurosigma eximium (Thwaites) Cleve & Grunow -- not accepted
  Pleurosigma kuetzingii Grunow -- not accepted
  Pleurosigma obscurum W. Sm. -- not accepted
  Pleurosigma sciotense Sull. -- not accepted
  Pleurosigma spencerii Grunow -- not accepted
  Pleurosigma wormleyi Sull. -- not accepted
  Pleurosira laevis (Ehrenb.) Compère -- accepted
  Psammothidium altaicum (Poretzky) Bukht. & Round -- accepted
  Psammothidium bioreti (Germain) Bukht. & Round -- accepted
  Psammothidium didymum (Hust.) Bukht. & Round -- accepted
  Psammothidium lauenbergianum (Hust.) Bukht. & Round -- accepted
  Psammothidium levanderi (Hust.) Bukht. & Round -- accepted
  Psammothidium marginulatum (Grunow) Bukht. & Round -- accepted
  Psammothidium subatomoides (Hust.) Bukht. & Round -- accepted
  Psammothidium ventralis (Krasske) Bukht. & Round -- accepted
  Pseudoeunotia lunaris Ehrenb. -- not accepted
  Pseudostaurosira brevistriata (Grunow in Van Heurck) D. M. Williams & Round -- accepted
  Pseudostaurosira brevistriata var. inflata (Pant.) M. B. Edlund -- accepted
  Reimeria sinuata (W. Greg.) Kociolek & Stoermer -- accepted
  Reimeria sinuata f. antiqua (W. Greg.) Kociolek & Stoermer -- accepted
  Rhizosolenia eriense H. L. Sm. -- not accepted
  Rhizosolenia eriensis H. L. Sm. in Briggs -- not accepted
  Rhizosolenia eriensis var. eriensis H. L. Smith -- not accepted
  Rhizosolenia eriensis var. pusilla Wolosz. in Schröd. -- accepted
  Rhizosolenia eriensis var. zachariasi (Brun) Playf. -- accepted
  Rhizosolenia gracilis H. L. Sm. -- not accepted
  Rhizosolenia longiseta Zach. -- not accepted
  Rhoicosphenia curvata (Kütz.) Grunow -- accepted
  Rhoicosphenia curvata var. subacuta M. Schmidt -- accepted
  Rhopalodia argus W. Sm. -- accepted
  Rhopalodia gibba (Ehrenb.) O. Müll. -- accepted
  Rhopalodia gibba var. gibba (Ehrenb.) O. Müll. -- accepted
  Rhopalodia gibba var. ventricosa (Kütz.) Perag. & M. Perag. -- accepted
  Rhopalodia gibberula (Ehrenb.) O. Müll. -- accepted
  Rhopalodia gibberula var. gibberula (Ehrenb.) O. Müll. -- accepted
  Rhopalodia parallela (Grunow) O. Müll. -- accepted
  Rossithidium linearis (W. Sm.) Round & Bukht. -- accepted
  Rossithidium pusillum (Grunow) Round & Bukht. -- accepted
  Schizonema viridulum Bréb. -- not accepted
  Schizonema vulgare Thwaites -- not accepted
  Scoliopleura campylogramma (Ehrenberg) Rabenh. -- accepted
  Sellaphora americana (Ehrenb.) D.G. Mann -- accepted
  Sellaphora bacilliformis (Grunow) Mersechkowsky -- accepted
  Sellaphora bacillum (Ehrenb.) D.G. Mann -- accepted
  Sellaphora laevissima (Kützing) D.G. Mann -- accepted
  Sellaphora mutata (Krasske) Lange-Bertalot -- accepted
  Sellaphora nyassensis (O. Müll.) D.G. Mann -- accepted
  Sellaphora parapupula Lange-Bertalot -- accepted
  Sellaphora pupula (Kützing) Mersechkowsky -- accepted
  Sellaphora pupula f. rostrata (Hustedt) Bukht. -- accepted
  Sellaphora pupula var. elliptica (Hustedt) Poulin in Poulin, Hamilton and Proulx -- not accepted
  Sellaphora pupula var. mutata (Krasske) Poulin in Poulin, Hamilton & Proulx -- not accepted
  Sellaphora pupula var. rectangularis (W. Greg.) Mereschk. -- not accepted
  Sellaphora rectangularis (W. Greg.) Lange-Bert. and Metzeltin in Lange-Bert. -- accepted
  Sellaphora seminulum (Grunow) D.G. Mann -- accepted
  Sellaphora vitabunda (Hustedt) D.G. Mann -- accepted
  Skeletonema costatum (Grev.) Cleve -- accepted
  Skeletonema potamos (Weber) Hasle in Hasle & Evensen -- accepted
  Skeletonema subsalsum (A. Cleve) Bethge -- accepted
  Sphinctocystis elliptica (Kütz.) Kuntze -- not accepted
  Sphinctocystis librilis (Ehrenb.) Hassall -- not accepted
  Stauroneis acuta W. Sm. -- accepted
  Stauroneis acutiuscula M. Perag. & Hérib. in Hérib. -- accepted
  Stauroneis agrestis J. B. Petersen -- accepted
  Stauroneis alabamae Heiden -- accepted
  Stauroneis amphioxys W. Greg. -- not accepted
  Stauroneis anceps Ehrenb. -- accepted
  Stauroneis anceps f. gracilis Rabenh. -- accepted
  Stauroneis anceps f. linearis (Ehrenb.) Hust. -- not accepted
  Stauroneis anceps var. americana C. W. Reimer -- accepted
  Stauroneis anceps var. anceps Ehrenb. -- accepted
  Stauroneis anceps var. hyalina Brun & M. Perag. -- not accepted
  Stauroneis anceps var. siberica Grunow -- not accepted
  Stauroneis borrichii (Boye Petersen) Lund -- accepted
  Stauroneis borrichii f. subcapitata (J. B. Petersen) Lund -- accepted
  Stauroneis dilatata Ehrenb. -- accepted
  Stauroneis dilatata f. baicalensis Skvortsov & K. I. Mey. -- accepted
  Stauroneis dilatata var. dilatata Ehrenb. -- accepted
  Stauroneis fluminea R. M. Patrick & Freese -- accepted
  Stauroneis gracilis Ehrenb. -- accepted
  Stauroneis gregorii Ralfs -- not accepted
  Stauroneis kriegeri R. M. Patrick -- accepted
  Stauroneis kriegeri f. undulata Hust. -- accepted
  Stauroneis kriegeri var. kriegeri R. M. Patrick -- accepted
  Stauroneis lauenburgiana Hust. -- accepted
  Stauroneis linearis Ehrenb. -- accepted
  Stauroneis livingstonii C. W. Reimer -- accepted
  Stauroneis neohyalina Lange-Bertalot and Krammer in Lange-Bertalot -- accepted
  Stauroneis nobilis var. baconiana (Stodd.) C. W. Reimer -- accepted
  Stauroneis obtusa Lagerst. -- accepted
  Stauroneis phoenicenteron (Nitzsch) Ehrenb. -- accepted
  Stauroneis phoenicenteron f. gracilis (Ehrenb.) Hust. -- accepted
  Stauroneis phoenicenteron f. lanceolata (Kütz.) Brun -- accepted
  Stauroneis phoenicenteron var. brevis Dippel -- accepted
  Stauroneis phoenicenteron var. intermedia (Dippel) A. Cleve -- accepted
  Stauroneis phoenicenteron var. phoenicenteron (Nitzsch) Ehrenb. -- accepted
  Stauroneis phylloides Ehrenb. -- not accepted
  Stauroneis producta Grunow -- accepted
  Stauroneis semen Ehrenberg -- not accepted
  Stauroneis siberica (Grunow) Lange-Bertalot and Krammer in Lange-Bertalot -- accepted
  Stauroneis smithii Grunow -- accepted
  Stauroneis smithii var. borgei Ehrenb. -- accepted
  Stauroneis smithii var. incisa Pant. -- accepted
  Stauroneis smithii var. minima E. Y. Haw. -- accepted
  Stauroneis smithii var. smithii Grunow -- accepted
  Stauroneis stodderi Greenleaf -- accepted
  Staurophora amphioxys (W. Greg.) D. G. Mann in Round, Crawford & Mann -- accepted
  Staurosira capucina Borzsc. -- not accepted
  Staurosira construens Ehrenb. -- accepted
  Staurosira construens f. subsalina (Hust.) Bukht. -- accepted
  Staurosira construens var. capitata (Hérib.) Bukht. -- accepted
  Staurosira construens var. venter (Ehrenb.) P. B. Ham. in Hamilton, Poulin, Charles & Angell -- accepted
  Staurosira entomon Ehrenb. -- not accepted
  Staurosira mutabilis (W. Sm.) Grunow -- not accepted
  Staurosirella lapponica (Grunow in Van Heurck) D. M. Williams & Round -- accepted
  Staurosirella leptostauron (Ehrenb.) D. M. Williams & Round -- accepted
  Staurosirella leptostauron var. dubia (Grunow) M. B. Edlund -- accepted
  Staurosirella leptostauron var. rhomboides (Grunow) Bukht. -- accepted
  Staurosirella pinnata (Ehrenb.) D. M. Williams & Round -- accepted
  Staurosirella pinnata var. intercedens (Grunow in Van Heurck) P. B. Ham. in Hamilton, Poulin, Prévost, Angell & Edlund -- accepted
  Staurosirella pinnata var. lancettula (Schum.) Poulin in Poulin, Hamilton & Proulx -- accepted
  Stephanodiscus alpinus Hust. -- accepted
  Stephanodiscus astraea (Ehrenb.) Grunow -- accepted
  Stephanodiscus astraea var. astraea (Ehrenb.) Grunow -- accepted
  Stephanodiscus astraea var. intermedia Fricke -- accepted
  Stephanodiscus astraea var. minutula (Kütz.) Grunow in Van Heurck -- not accepted
  Stephanodiscus astraea var. minutulus (Kütz.) Grunow -- accepted
  Stephanodiscus binderanus (Kütz.) Willi Kreig. -- accepted
  Stephanodiscus binderanus var. oestrupii (A. Cleve) A. Cleve -- accepted
  Stephanodiscus carconensis Grunow -- accepted
  Stephanodiscus carconensis var. pusilla Grunow -- accepted
  Stephanodiscus conspicueporus Stoermer, Håk. & Theriot -- accepted
  Stephanodiscus dubius (Fricke) Hust. -- not accepted
  Stephanodiscus hantzschii Grunow -- accepted
  Stephanodiscus hantzschii f. hantzschii Grunow -- accepted
  Stephanodiscus hantzschii f. tenuis (Hust.) Håk. & Stoermer -- accepted
  Stephanodiscus hantzschii var. pusilla Grunow -- accepted
  Stephanodiscus invisitatus M. H. Hohn & Hellerm. -- not accepted
  Stephanodiscus lucens Hust. -- not accepted
  Stephanodiscus medius Håk. -- accepted
  Stephanodiscus minutula (Kütz.) Round -- accepted
  Stephanodiscus minutulus (Kütz.) Cleve & J. D. Möll. -- accepted
  Stephanodiscus minutus Grunow -- not accepted
  Stephanodiscus niagarae Ehrenb. -- accepted
  Stephanodiscus niagarae var. magnifica Fricke -- accepted
  Stephanodiscus niagarae var. niagarae Ehrenb. -- accepted
  Stephanodiscus parvus Stoermer & Håk. -- accepted
  Stephanodiscus rotula (Kütz.) Hendey -- accepted
  Stephanodiscus rotula var. minutula (Kütz.) Grunow -- accepted
  Stephanodiscus subsalsus (A. Cleve) Hustedt -- not accepted
  Stephanodiscus subtilis (Van Goor) A. Cleve -- accepted
  Stephanodiscus subtransilvanicus Gasse -- accepted
  Stephanodiscus superiorensis Stoermer & Theriot -- accepted
  Stephanodiscus tenuis Hust. -- not accepted
  Stephanodiscus transilvanicus Pant. -- accepted
  Stephanodiscus vestibulis Håk., Stoermer & Theriot -- accepted
  Striatella fenestrata (Lyngb.) Kuntze -- not accepted
  Striatella flocculosa (Roth) Kuntze -- not accepted
  Surirella amphioxys W. Sm. -- not accepted
  Surirella angusta Kütz. -- accepted
  Surirella apiculata W. Sm. -- accepted
  Surirella bifrons Ehrenb. -- not accepted
  Surirella birostrata Hust. -- accepted
  Surirella biseriata Bréb. & Godey -- accepted
  Surirella biseriata f. amphioxys (W. Sm.) Hust. -- accepted
  Surirella biseriata var. bifrons (Ehrenb.) Hust. -- accepted
  Surirella biseriata var. bifrons f. amphioxys (W. Sm.) Hust. -- not accepted
  Surirella biseriata var. biseriata Bréb. & Godey -- accepted
  Surirella biseriata var. constricta Grunow -- accepted
  Surirella biseriata var. diminuta A. Cleve -- accepted
  Surirella biseriata var. orientalis Skvortsov -- accepted
  Surirella brebissonii Krammer & Lange-Bert. -- accepted
  Surirella cardinalis Kitton -- accepted
  Surirella didyma Kütz. -- accepted
  Surirella elegans Ehrenb. -- accepted
  Surirella gracilis (W. Sm.) Grunow -- accepted
  Surirella guatemalensis Ehrenb. -- accepted
  Surirella iowensis R. L. Lowe -- accepted
  Surirella lagerheimii Cleve -- accepted
  Surirella librile Ehrenb. -- not accepted
  Surirella linearis W. Sm. -- accepted
  Surirella linearis var. constricta Grunow -- accepted
  Surirella linearis var. helvetica (Brun) F. Meister -- accepted
  Surirella linearis var. linearis W. Sm. -- accepted
  Surirella minuta Bréb. in Kütz. -- accepted
  Surirella molleriana Grunow -- accepted
  Surirella norvegica Eulenstein -- accepted
  Surirella oregonica Ehrenb. -- accepted
  Surirella ovalis Bréb. -- accepted
  Surirella ovalis var. minuta Van Heurck -- not accepted
  Surirella ovalis var. ovalis Bréb. -- accepted
  Surirella ovata Kütz. -- not accepted
  Surirella ovata var. ovata Kütz. -- not accepted
  Surirella ovata var. salina (W. Sm.) Rabenh. -- not accepted
  Surirella panduriformis W. Sm. -- accepted
  Surirella peisonis Pant. -- accepted
  Surirella regina Janisch -- accepted
  Surirella robusta Ehrenb. -- accepted
  Surirella robusta var. armata Hust. -- accepted
  Surirella robusta var. robusta Ehrenb. -- accepted
  Surirella robusta var. splendida (Ehrenb.) Van Heurck -- accepted
  Surirella robustior MacKay -- accepted
  Surirella saxonica Auersw. -- accepted
  Surirella sigmoidea Ehrenb. -- accepted
  Surirella spiralis Kütz. -- accepted
  Surirella splendida Ehrenb. -- accepted
  Surirella striata Leud-Fortm. -- accepted
  Surirella striatula Turp. -- accepted
  Surirella suecica Grunow -- accepted
  Surirella suevica Zeller -- accepted
  Surirella tenera W. Greg. -- accepted
  Surirella tenera var. nervosa A. W. F. Schmidt -- accepted
  Surirella tenuis Mayer -- accepted
  Surirella tenuissima Hust. -- accepted
  Surirella turgida W. Sm. -- accepted
  Surirella undulata Ehrenb. -- accepted
  Synedra actinastroides Lemm. -- not accepted
  Synedra acus Kütz. -- accepted
  Synedra acus var. acus Kütz. -- accepted
  Synedra acus var. angustissima Grunow in Van Heurck -- accepted
  Synedra acus var. radians (Kütz.) Hust. -- accepted
  Synedra affinis Kütz. -- not accepted
  Synedra affinis var. affinis Kütz. -- not accepted
  Synedra amphicephala Kütz. -- accepted
  Synedra amphicephala var. amphicephala Kütz. -- accepted
  Synedra amphicephala var. asiatica Skvortsov -- accepted
  Synedra amphicephala var. intermedia A. Cleve -- accepted
  Synedra capitata Ehrenb. -- accepted
  Synedra capitata var. capitata Ehrenb. -- accepted
  Synedra chaseii B. W. Thomas -- not accepted
  Synedra crotonensis Grunow -- not accepted
  Synedra crotonensis var. prolongata Grunow -- not accepted
  Synedra cyclopum Brutschy -- accepted
  Synedra cyclopum var. cyclopum Brutschy -- accepted
  Synedra danica Kütz. -- not accepted
  Synedra delicatissima W. Sm. -- accepted
  Synedra delicatissima var. angustissima Grunow -- accepted
  Synedra demerarae Grunow -- accepted
  Synedra famelica Kütz. -- accepted
  Synedra fasciculata (C. Agardh) Kütz. -- not accepted
  Synedra fasciculata var. fasciculata (C. Agardh) Kütz. -- not accepted
  Synedra fasciculata var. truncata (Grev.) R. M. Patrick -- not accepted
  Synedra filiformis Grunow -- accepted
  Synedra filiformis var. exilis A. Cleve -- accepted
  Synedra filiformis var. filiformis Grunow -- accepted
  Synedra gaillonii (Bory) Ehrenb. -- accepted
  Synedra goulardi Bréb. -- accepted
  Synedra goulardi var. fluviatilis (Lemm.) Freng. -- accepted
  Synedra hyperborea Grunow -- not accepted
  Synedra hyperborea var. hyperborea Grunow -- not accepted
  Synedra hyperborea var. rostellata Grunow -- not accepted
  Synedra incisa Boyer -- accepted
  Synedra laevigata Grunow -- not accepted
  Synedra lanceolata Kütz. -- not accepted
  Synedra longiceps Ehrenb. -- accepted
  Synedra longissima W. Sm. -- accepted
  Synedra lunaris Ehrenb. -- not accepted
  Synedra mazamaensis Sovereign -- accepted
  Synedra minuscula Grunow in Van Heurck -- accepted
  Synedra montana Krasske -- accepted
  Synedra nana F. Meister -- accepted
  Synedra netronoides M. H. Hohn & Hellerm. -- accepted
  Synedra ostenfeldii (Willi Kreig.) A. Cleve -- accepted
  Synedra oxyrhynchus Kütz. -- not accepted
  Synedra parasitica (W. Smith) Hust. -- not accepted
  Synedra parasitica var. parasitica (W. Smith) Hust. -- not accepted
  Synedra parasitica var. subconstricta (Grunow) Hust. -- not accepted
  Synedra radians Kütz. -- not accepted
  Synedra rumpens Kütz. -- accepted
  Synedra rumpens var. familiaris (Kütz.) Hust. -- accepted
  Synedra rumpens var. fragilarioides Grunow -- accepted
  Synedra rumpens var. meneghiniana Grunow -- accepted
  Synedra rumpens var. rumpens Kütz. -- accepted
  Synedra simalongis W. Sm. -- accepted
  Synedra spathulifera Grunow -- not accepted
  Synedra splendens Kütz. -- not accepted
  Synedra stela M. H. Hohn & Hellerm. -- accepted
  Synedra tabulata (C. Agardh) Kütz. -- not accepted
  Synedra tabulata var. fasciculata (C. Agardh) Kütz. -- not accepted
  Synedra tabulata var. tabulata (C. Agardh) Kütz. -- not accepted
  Synedra tenera W. Sm. -- accepted
  Synedra tenuissima Kütz. -- accepted
  Synedra ulna (Nitzsch) Ehrenb. -- accepted
  Synedra ulna var. aequalis (Kütz.) Hust. -- accepted
  Synedra ulna var. amphirhynchus (Ehrenb.) Grunow -- accepted
  Synedra ulna var. biceps (Kütz.) Kirchn. -- accepted
  Synedra ulna var. chaseana B. W. Thomas -- accepted
  Synedra ulna var. chaseii B. W. Thomas -- not accepted
  Synedra ulna var. claviceps Hust. -- accepted
  Synedra ulna var. constricta Venkt. -- accepted
  Synedra ulna var. contracta Østrup -- accepted
  Synedra ulna var. danica (Kütz.) Van Heurck -- accepted
  Synedra ulna var. impressa Hust. -- accepted
  Synedra ulna var. longissima (W. Sm.) Brun -- accepted
  Synedra ulna var. obtusa (W. Sm.) Grunow -- accepted
  Synedra ulna var. oxyrhynchus (Kütz.) Van Heurck -- accepted
  Synedra ulna var. spathulifera (Grunow) Van Heurck -- accepted
  Synedra ulna var. splendens (Kütz.) Van Heurck -- not accepted
  Synedra ulna var. subaequalis (Grunow) Van Heurck -- accepted
  Synedra ulna var. ulna (Nitzsch) Ehrenb. -- accepted
  Synedra utermohlii Hust. -- accepted
  Synedra vaucheriae (Kütz.) Kütz. -- not accepted
  Synedra vaucheriae var. capitellata (Grunow) Cleve -- not accepted
  Synedra vaucheriae var. truncata (Grev.) Grunow -- not accepted
  Synedra vitrea Kütz. -- not accepted
  Tabellaria fenestrata (Lyngb.) Kütz. -- accepted
  Tabellaria fenestrata var. asterionelloides Grunow -- accepted
  Tabellaria fenestrata var. fenestrata (Lyngb.) Kütz. -- accepted
  Tabellaria fenestrata var. geniculata A. Cleve -- accepted
  Tabellaria fenestrata var. intermedia Grunow -- accepted
  Tabellaria flocculosa (Roth) Kütz. -- accepted
  Tabellaria flocculosa var. flocculosa (Roth) Kütz. -- accepted
  Tabellaria flocculosa var. linearis Koppen -- accepted
  Tabellaria quadriseptata Knuds. -- accepted
  Tabellaria trinodis Ehrenb. -- not accepted
  Tabularia fasciculata (C. Agardh) D. M. Williams & Round -- accepted
  Terpsinoe musica Ehrenb. -- accepted
  Tetracyclus rupestris (Braun) Grunow -- accepted
  Thalassiocyclus lucens Håk. & Mahood -- accepted
  Thalassiosira bramaputrae (Ehrenb.) Håk. & Locker -- accepted
  Thalassiosira fluviatilis Hust. -- not accepted
  Thalassiosira guillardii Hasle -- accepted
  Thalassiosira incerta Marakova -- accepted
  Thalassiosira lacustris (Grunow) Hasle -- not accepted
  Thalassiosira levanderi Van Goor -- accepted
  Thalassiosira pseudonana Hasle & Heim. -- accepted
  Thalassiosira simplex Hust. -- accepted
  Thalassiosira visurgis Hust. -- accepted
  Thalassiosira weissflogii (Grunow) Fryxell & Hasle -- accepted
  Tropidoneis lepidoptera (W. Greg.) Cleve -- not accepted
  Tropidoneis lepidoptera var. proboscidea Cleve -- not accepted
  Tryblionella acuta (Cleve) D. G. Mann in Round, Crawford & Mann -- accepted
  Tryblionella angustata W. Sm. -- accepted
  Tryblionella angustata var. acuta (Grunow) Bukht. -- accepted
  Tryblionella angustata var. angustata W. Sm. -- accepted
  Tryblionella apiculata W. Greg. -- accepted
  Tryblionella debilis (Arn.) Grunow in Cleve & Grunow -- accepted
  Tryblionella gracilis W. Sm. -- accepted
  Tryblionella hungarica (Grunow) D. G. Mann -- accepted
  Tryblionella levidensis W. Sm. -- accepted
  Tryblionella victoriae Grunow -- accepted
  Urosolenia eriensis (H. L. Sm.) Round & R. M. Crawford in Round, Crawford & Mann -- accepted
  Urosolenia longiseta (Zach.) M. B. Edlund & Stoermer -- accepted
   

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