Limnische Kieselalgen (Bacillariophyta)

German Red List

Hofmann, G.; Lange-Bertalot, H.; Werum, M. & Klee, R. (2018): Rote Liste und Gesamtartenliste der limnischen Kieselalgen (Bacillariophyta) Deutschlands. – In: Metzing, D., Hofbauer, N., Ludwig, G. & Matzke-Hajek, G. (Bearb.): Rote Liste der gefährdeten Tiere, Pflanzen und Pilze Deutschlands. Band 7: Pflanzen. – Bonn (Bundesamt für Naturschutz). – Naturschutz und Biologische Vielfalt 70 (7): 601–708.

Checklist

Scientific name German name Red List Category
A
Acanthoceras zachariasii (Brun) Simonsen Least concern
Achnanthes acares M.H. Hohn & Hellerman Data deficient
Achnanthes acus Simonsen Data deficient
Achnanthes brevipes C. Agardh var. brevipes Least concern
Achnanthes brevipes var. intermedia (Kütz.) Cleve Least concern
Achnanthes brockmannii Simonsen Data deficient
Achnanthes coarctata (Bréb. ex W. Smith) Grunow Data deficient
Achnanthes curtissima J.R. Carter Data deficient
Achnanthes danica (Flögel) Grunow Data deficient
Achnanthes delicatissima Simonsen Data deficient
Achnanthes diplopunctata Simonsen Data deficient
Achnanthes exigua Grunow Least concern
Achnanthes fogedii Håk. Data deficient
Achnanthes hintzii Lange-Bert. & Krammer Endangered
Achnanthes inflata (Kütz.) Grunow Rare
Achnanthes koenigii Simonsen Data deficient
Achnanthes lacunarum Hust. Endangered
Achnanthes lemmermannii Hust. Data deficient
Achnanthes lilljeborgii Grunow Data deficient
Achnanthes longipes C. Agardh Least concern
Achnanthes lorenziana Grunow Data deficient
Achnanthes lutheri Hust. Vulnerable
Achnanthes marginestriata Simonsen Data deficient
Achnanthes minuscula Hust. Least concern
Achnanthes nodosa Cleve Critically endangered
Achnanthes parvula Kütz. Least concern
Achnanthes pseudobliqua Simonsen Data deficient
Achnanthes rostellata Cleve-Euler Endangered
Achnanthes saxatilis W. Bock Data deficient
Achnanthes semiaperta Hust. Endangered
Achnanthes stewartii R.M. Patrick Data deficient
Achnanthes subexigua Hust. Rare
Achnanthes submarina Hust. Rare
Achnanthes subsalsa J.B. Petersen Rare
Achnanthes subsessilis Kütz. Least concern
Achnanthes tristis Krasske Rare
Achnanthidium affine (Grunow) Czarn. Least concern
Achnanthidium atomoides O. Monnier, Lange-Bert. & Ector Least concern
Achnanthidium caledonicum (Lange-Bert.) Lange-Bert. Vulnerable
Achnanthidium catenatum (J. Bilý & Marvan) Lange-Bert. Least concern
Achnanthidium deflexum (Reimer) J.C. Kingston Data deficient
Achnanthidium delmontii Pérès et al. Least concern
Achnanthidium dolomiticum Cantonati & Lange-Bert. Endangered
Achnanthidium druartii Rimet & Couté Data deficient
Achnanthidium eutrophilum (Lange-Bert.) Lange-Bert. Least concern
Achnanthidium exile (Kütz.) Lange-Bert. & Bukht. Near threatened
Achnanthidium gracillimum (F. Meister) Lange-Bert. Endangered
Achnanthidium jackii Rabenh. Data deficient
Achnanthidium kranzii (Lange-Bert.) Round & Bukht. Vulnerable
Achnanthidium lauenburgianum (Hust.) O. Monnier, Lange-Bert. & Ector Least concern
Achnanthidium lineare W. Smith Threatened to an unkown extent
Achnanthidium linearioides (Lange-Bert.) Lange-Bert. Endangered
Achnanthidium macrocephalum (Hust.) Round & Bukht. Data deficient
Achnanthidium minutissimum (Kütz.) Czarn. var. minutissimum Least concern
Achnanthidium minutissimum f. inconspicuum (Østrup) Data deficient
Achnanthidium nanum (F. Meister) Lange-Bert. Data deficient
Achnanthidium neomicrocephalum Lange-Bert. & F. Staab Data deficient
Achnanthidium nollii (O. Bock & W. Bock) Lange-Bert. Rare
Achnanthidium petersenii Hust. Vulnerable
Achnanthidium pfisteri Lange-Bert. Data deficient
Achnanthidium pusillum (Grunow) Lange-Bert. Endangered
Achnanthidium pyrenaicum (Hust.) H. Kobayasi Least concern
Achnanthidium rivulare Potapova & Ponader Least concern
Achnanthidium rosenstockii (Lange-Bert.) Lange-Bert. var. rosenstockii Endangered
Achnanthidium rosenstockii var. inareolatum Lange-Bert. Endangered
Achnanthidium saprophilum (H. Kobayasi & Mayama) Round & Bukht. Least concern
Achnanthidium straubianum (Lange-Bert.) Lange-Bert. Least concern
Achnanthidium strictum E. Reichardt Data deficient
Achnanthidium subatomus (Hust.) Lange-Bert. Near threatened
Achnanthidium subhudsonis (Hust.) H. Kobayasi Least concern
Achnanthidium thienemannii (Hust.) Lange-Bert. Data deficient
Achnanthidium trinode Ralfs Critically endangered
Achnanthidium zhakovschikovii Potapova Data deficient
Actinocyclus normanii (Juhl.-Dannf.) Hust. f. normanii Least concern
Actinocyclus normanii f. subsalsus (Juhl.-Dannf.) Hust. Least concern
Adlafia aquaeductae (Krasske) Lange-Bert. Rare
Adlafia bryophila (J.B. Petersen) Lange-Bert. Least concern
Adlafia langebertalotii O. Monnier & Ector Least concern
Adlafia minuscula (Grunow) Lange-Bert. var. minuscula Least concern
Adlafia minuscula var. muralis (Grunow) Lange-Bert. Least concern
Adlafia parabryophila (Lange-Bert.) Lange-Bert. Data deficient
Adlafia suchlandtii (Hust.) Lange-Bert. Least concern
Amphipleura pellucida (Kütz.) Kütz. Least concern
Amphora aequalis Krammer sensu Levkov Vulnerable
Amphora affinis Kütz. Data deficient
Amphora aponina (Kütz.) Levkov Least concern
Amphora berolinensis N. Abarca & R. Jahn Data deficient
Amphora calumetica (B.W. Thomas) Perag. Threatened to an unkown extent
Amphora commutata Grunow Least concern
Amphora copulata (Kütz.) Schoeman & R.E.M. Archibald Least concern
Amphora delicatissima Krasske Least concern
Amphora eximia J.R. Carter Rare
Amphora hemicycla Stoermer & J.J. Yang Least concern
Amphora inariensis Krammer Least concern
Amphora indistincta Levkov Least concern
Amphora lange-bertalotii Levkov & Metzeltin var. lange-bertalotii Data deficient
Amphora lange-bertalotii var. tenuis Levkov & Metzeltin Data deficient
Amphora lineolata Ehrenb. Least concern
Amphora minutissima W. Smith Data deficient
Amphora ovalis (Kütz.) Kütz. Least concern
Amphora pediculus (Kütz.) Grunow Least concern
Amphora stechlinensis Levkov & Metzeltin Threatened to an unkown extent
Amphora strigosa Hust. Least concern
Anaulus balticus Simonsen Data deficient
Aneumastus apiculatus (Østrup) Lange-Bert. Data deficient
Aneumastus balticus Lange-Bert. Near threatened
Aneumastus maculosus (Donkin) Lange-Bert. Data deficient
Aneumastus minor (Hust.) Lange-Bert. Least concern
Aneumastus rostratus (Hust.) Lange-Bert. Data deficient
Aneumastus stroesei (Østrup) D.G. Mann & Stickle Vulnerable
Aneumastus tuscula (Ehrenb.) D.G. Mann & Stickle Vulnerable
Anomoeoneis sphaerophora (Ehrenb.) Pfitzer f. sphaerophora Least concern
Anomoeoneis sphaerophora f. costata (Kütz.) A.M. Schmid Data deficient
Anomoeoneis sphaerophora f. sculpta Krammer Data deficient
Ardissonea crystallina (C. Agardh) Grunow Least concern
Astartiella bahusiensis (Grunow) Witkowski, Lange-Bert. & Metzeltin Data deficient
Astartiella bremeyeri (Hust.) Witkowski, Lange-Bert. & Metzeltin Data deficient
Asterionella formosa Hassall Least concern
Asterionella ralfsii W. Smith var. ralfsii Threatened to an unkown extent
Asterionella ralfsii var. hustedtiana Körner Data deficient
Aulacoseira alpigena (Grunow) Krammer Threatened to an unkown extent
Aulacoseira ambigua (Grunow) Simonsen Least concern
Aulacoseira crassipunctata Krammer Data deficient
Aulacoseira crenulata (Ehrenb.) Thwaites Threatened to an unkown extent
Aulacoseira distans (Ehrenb.) Simonsen var. distans Threatened to an unkown extent
Aulacoseira distans var. nivalis (W. Smith) E.Y. Haworth Least concern
Aulacoseira granulata (Ehrenb.) Simonsen var. granulata Least concern
Aulacoseira granulata f. curvata (Hust.) Simonsen Least concern
Aulacoseira granulata f. valida (Hust.) Simonsen Not established
Aulacoseira granulata var. angustissima (O. Müll.) Simonsen Least concern
Aulacoseira islandica (O. Müll.) Simonsen Least concern
Aulacoseira italica (Ehrenb.) Simonsen var. italica Threatened to an unkown extent
Aulacoseira italica var. tenuissima (Grunow) Simonsen Data deficient
Aulacoseira lacustris (Grunow) Krammer f. lacustris Data deficient
Aulacoseira lacustris f. tenuior (Grunow) Houk, Klee & Passauer Rare
Aulacoseira laevissima (Grunow) Krammer Data deficient
Aulacoseira lirata (Ehrenb.) R. Ross Threatened to an unkown extent
Aulacoseira muzzanensis (F. Meister) Krammer Data deficient
Aulacoseira perglabra (Østrup) E.Y. Haworth Rare
Aulacoseira pfaffiana (Reinsch) Krammer Threatened to an unkown extent
Aulacoseira pusilla (F. Meister) Tuji & Houki Least concern
Aulacoseira subarctica (O. Müll.) E.Y. Haworth f. subarctica Least concern
Aulacoseira subarctica f. recta (O. Müll.) Krammer Data deficient
Aulacoseira subborealis Denys et al. Least concern
Aulacoseira valida (Grunow) Krammer Threatened to an unkown extent
Auliscus sculptus (W. Smith) Brightw. Data deficient
B
Bacillaria paxillifera (O.F. Müll.) Hendey Least concern
Berkeleya rutilans (Trentep.) Grunow Least concern
Boreozonacola hustedtii Lange-Bert., Kulikovskiy & Witkowski Endangered
Brachysira aponina Kütz. Near threatened
Brachysira brebissonii R. Ross Vulnerable
Brachysira calcicola Lange-Bert. subsp. calcicola Endangered
Brachysira calcicola subsp. pfisteri Lange-Bert. & Werum Data deficient
Brachysira follis (Ehrenb.) R. Ross Endangered
Brachysira garrensis (Lange-Bert. & Krammer) Lange-Bert. Endangered
Brachysira hofmanniae Lange-Bert. Endangered
Brachysira intermedia (Østrup) Lange-Bert. Endangered
Brachysira liliana Lange-Bert. Endangered
Brachysira neglectissima Lange-Bert. Data deficient
Brachysira neoexilis Lange-Bert. Least concern
Brachysira procera Lange-Bert. & Gerd Moser Endangered
Brachysira serians (Bréb.) Round & D.G. Mann Endangered
Brachysira styriaca (Grunow) R. Ross Endangered
Brachysira vitrea (Grunow) R. Ross Endangered
Brachysira wygaschii Lange-Bert. Endangered
Brachysira zellensis (Grunow) Krammer Endangered
Brockmanniella brockmannii (Hust.) Hasle et al. Data deficient
C
Caloneis aerophila W. Bock Rare
Caloneis alpestris (Grunow) Cleve Threatened to an unkown extent
Caloneis amphisbaena (Bory) Cleve f. amphisbaena Least concern
Caloneis amphisbaena f. subsalina (Donkin) van der Werff Least concern
Caloneis bacillum (Grunow) Cleve Data deficient
Caloneis bottnica Cleve Endangered
Caloneis budensis (Grunow) Krammer Rare
Caloneis constans E. Reichardt Rare
Caloneis fontinalis Lange-Bert. & E. Reichardt Least concern
Caloneis lancettula (Schulz-Danzig) Lange-Bert. & Witkowski Least concern
Caloneis langebertalotioides E. Reichardt Threatened to an unkown extent
Caloneis latiuscula (Kütz.) Cleve Endangered
Caloneis lauta J.R. Carter & Bailey-Watts Threatened to an unkown extent
Caloneis lepidula (Grunow) Cleve Rare
Caloneis leptosoma (Grunow) Krammer Threatened to an unkown extent
Caloneis macedonica Hust. Rare
Caloneis molaris (Grunow) Krammer Least concern
Caloneis obtusa (W. Smith) Cleve Threatened to an unkown extent
Caloneis permagna (Bailey) Cleve Data deficient
Caloneis pulchra Messik. Data deficient
Caloneis schumanniana (Grunow) Cleve var. schumanniana Vulnerable
Caloneis schumanniana var. biconstricta auct. non (Grunow) Reichelt Data deficient
Caloneis silicula (Ehrenb.) Cleve f. silicula Least concern
Caloneis silicula f. alpina (Cleve) Krammer Data deficient
Caloneis silicula f. peisonis (Grunow) Krammer Rare
Caloneis sublinearis (Grunow) Krammer Data deficient
Caloneis tenuis (W. Greg.) Krammer Vulnerable
Caloneis thermalis (Grunow) Krammer Rare
Caloneis undulata (W. Greg.) Krammer Vulnerable
Caloneis vasileyevae Lange-Bert., Genkal & Vekhov Rare
Caloneis westii (W. Smith) Hendey Least concern
Campylodiscus bicostatus W. Smith Least concern
Campylodiscus clypeus Ehrenb. Least concern
Campylodiscus echeneis Ehrenb. Threatened to an unkown extent
Campylodiscus hibernicus Ehrenb. Least concern
Campylodiscus levanderi Hust. Vulnerable
Campylodiscus noricus Ehrenb. Threatened to an unkown extent
Campylosira cymbelliformis (A.W.F. Schmidt) Grunow ex Van Heurck Data deficient
Capartogramma crucicula (Grunow) R. Ross Rare
Catenula adhaerens Mereschk. Least concern
Cavinula cocconeiformis (W. Greg.) D.G. Mann & Stickle Threatened to an unkown extent
Cavinula intractata (Hust.) Lange-Bert. Endangered
Cavinula jaernefeltii (Hust.) D.G. Mann & Stickle Vulnerable
Cavinula lapidosa (Krasske) Lange-Bert. Vulnerable
Cavinula mollicula (Hust.) Lange-Bert. Data deficient
Cavinula pseudoscutiformis (Hust.) D.G. Mann & Stickle Vulnerable
Cavinula pusio (Cleve) Lange-Bert. Endangered
Cavinula scutelloides (W. Smith) Lange-Bert. Least concern
Cavinula variostriata (Krasske) D.G. Mann Vulnerable
Chaetoceros muelleri Lemmerm. Data deficient
Chamaepinnularia amphiborealis Lange-Bert. & Werum Endangered
Chamaepinnularia begeri (Krasske) Lange-Bert. f. begeri Threatened to an unkown extent
Chamaepinnularia begeri f. constricta (Krasske) Lange-Bert. Threatened to an unkown extent
Chamaepinnularia evanida (Hust.) Lange-Bert. Least concern
Chamaepinnularia falkiae Lange-Bert. & Werum Endangered
Chamaepinnularia hassiaca (Krasske) Cantonati & Lange-Bert. Vulnerable
Chamaepinnularia krookiformis (Krammer) Lange-Bert. & Krammer Least concern
Chamaepinnularia krookii (Grunow) Lange-Bert. & Krammer Rare
Chamaepinnularia mediocris (Krasske) Lange-Bert. Near threatened
Chamaepinnularia muscicola (J.B. Petersen) Kulikovskiy et al. Vulnerable
Chamaepinnularia soehrensioides Kulikovskiy et al. Critically endangered
Chamaepinnularia soehrensis (Krasske) Lange-Bert. Vulnerable
Chamaepinnularia submuscicola (Krasske) Lange-Bert. Least concern
Chamaepinnularia witkowskii (Lange-Bert. & Metzeltin) Kulikovskiy & Lange-Bert. Threatened to an unkown extent
Cocconeis disculus (Schum.) Cleve Least concern
Cocconeis euglypta Ehrenb. Least concern
Cocconeis euglyptoides (Geitler) Lange-Bert. Data deficient
Cocconeis lineata Ehrenb. Least concern
Cocconeis neodiminuta Krammer Least concern
Cocconeis neothumensis Krammer Least concern
Cocconeis pediculus Ehrenb. Least concern
Cocconeis placentula Ehrenb. var. placentula Data deficient
Cocconeis placentula var. intermedia (Hérib. & Perag.) Cleve Data deficient
Cocconeis placentula var. klinoraphis Geitler Least concern
Cocconeis placentula var. rouxii (Hérib. & Brun) Cleve Near threatened
Cocconeis placentula var. tenuistriata Geitler Data deficient
Cocconeis pseudolineata (Geitler) Lange-Bert. Least concern
Cocconeis pseudothumensis E. Reichardt Threatened to an unkown extent
Cocconeis scutellum Ehrenb. var. scutellum Least concern
Cocconeis scutellum f. minuta Cleve Least concern
Cocconeis scutellum var. parva (Grunow) Cleve Least concern
Cocconeis stauroneiformis (W. Smith) Okuno Least concern
Conticribra guillardii (Hasle) K. Stachura-Suchoples & D.M. Williams Data deficient
Conticribra weissflogii (Grunow) K. Stachura-Suchoples & D.M. Williams Least concern
Cosmioneis incognita (Krasske) Lange-Bert. Rare
Cosmioneis lundstroemii (Cleve) D.G. Mann Least concern
Cosmioneis pusilla (W. Smith) D.G. Mann & Stickle Least concern
Craticula accomoda (Hust.) D.G. Mann Least concern
Craticula acidoclinata Lange-Bert. & Metzeltin Threatened to an unkown extent
Craticula ambigua (Ehrenb.) D.G. Mann Least concern
Craticula buderi (Hust.) Lange-Bert. Least concern
Craticula citrus (Krasske) E. Reichardt Rare
Craticula cuspidata (Kütz.) D.G. Mann Least concern
Craticula dissociata (E. Reichardt) E. Reichardt Rare
Craticula halophila (Grunow) D.G. Mann Least concern
Craticula halophilioides (Hust.) Lange-Bert. Rare
Craticula lange-bertalotii E. Reichardt Least concern
Craticula minusculoides (Hust.) Lange-Bert. Least concern
Craticula molestiformis (Hust.) Lange-Bert. Least concern
Craticula riparia (Hust.) Lange-Bert. var. riparia Rare
Craticula riparia var. mollenhaueri Lange-Bert. Endangered
Craticula submolesta (Hust.) Lange-Bert. Endangered
Craticula vixnegligenda (Lange-Bert.) Lange-Bert. Threatened to an unkown extent
Crenotia angustior (Grunow) Wojtal Data deficient
Crenotia grimmei (Krasske) Wojtal Data deficient
Crenotia rumrichorum (Lange-Bert.) Wojtal Data deficient
Crenotia thermalis (Rabenh.) Wojtal Least concern
Ctenophora pulchella (Ralfs) D.M. Williams & Round Least concern
Cyclostephanos delicatus (Genkal) Casper & Scheffler Least concern
Cyclostephanos dubius (Fricke) Round Least concern
Cyclostephanos invisitatus (M.H. Hohn & Hellerman) E.C. Ther. et al. Least concern
Cyclotella affinis (Grunow) Houk, Klee & H. Tanaka Data deficient
Cyclotella atomus Hust. var. atomus Least concern
Cyclotella atomus var. gracilis Genkal & K.T. Kiss Least concern
Cyclotella austriaca (Perag.) Hust. Data deficient
Cyclotella balatonis Pant. Data deficient
Cyclotella bodanica Eulenst. ex Grunow Near threatened
Cyclotella caspia Grunow Data deficient
Cyclotella choctawhatcheeana A.K.S. Prasad Data deficient
Cyclotella comensis Grunow s. str. Threatened to an unkown extent
Cyclotella comensis morphotyp pseudocomensis Data deficient
Cyclotella costei Druart & F. Straub Least concern
Cyclotella delicatula Hust. Threatened to an unkown extent
Cyclotella distinguenda Hust. Least concern
Cyclotella distinguenda var. mesoleia (Grunow) Håkansson Not established
Cyclotella hinziae Houk et al. Data deficient
Cyclotella intermedia (Manguin) Houk, Klee & H. Tanaka Data deficient
Cyclotella iris var. iris Brun & Hérib. Not established
Cyclotella kuetzingiana Thwaites Least concern
Cyclotella lemanensis (O. Müll.) Lemmerm. Extinct in Germany
Cyclotella meduanae H. Germ. Least concern
Cyclotella meneghiniana Kütz. Least concern
Cyclotella ocellata Pant. Least concern
Cyclotella plitvicensis Hust. Rare
Cyclotella praetermissa J.W.G. Lund Data deficient
Cyclotella radiosa (Grunow) Lemmerm. Data deficient
Cyclotella rossii Håk. Data deficient
Cyclotella scaldensis Muylaert & Sabbe Least concern
Cyclotella schroeteri Lemmerm. Critically endangered
Cyclotella schumannii (Grunow) Håk. Threatened to an unkown extent
Cyclotella socialis F. Schütt Critically endangered
Cyclotella stelligera var. hyalina Hust. Not established
Cyclotella stelligera var. robusta Hust. Not established
Cyclotella stelligera var. tenuis Hust. Not established
Cyclotella striata (Kütz.) Grunow Least concern
Cyclotella stylorum Brightw. Data deficient
Cyclotella styriaca Hust. Threatened to an unkown extent
Cyclotella tenuistriata Hust. Data deficient
Cyclotella tripartita Håk. Rare
Cyclotella wuethrichiana Druart & F. Straub Data deficient
Cylindrotheca gracilis (Bréb.) Grunow Least concern
Cymatopleura elliptica (Bréb.) W. Smith var. elliptica Least concern
Cymatopleura elliptica var. hibernica (W. Smith) Van Heurck Least concern
Cymatopleura solea (Bréb.) W. Smith var. solea Least concern
Cymatopleura solea var. apiculata (W. Smith) Ralfs Least concern
Cymatosira belgica Grunow Least concern
Cymbella affiniformis Krammer Endangered
Cymbella affinis Kütz. Endangered
Cymbella alpestris Krammer Data deficient
Cymbella arctica (Lagerst.) A.W.F. Schmidt Vulnerable
Cymbella aspera (Ehrenb.) Cleve Threatened to an unkown extent
Cymbella austriaca var. erdobenyiana (Pant.) Krammer Not established
Cymbella brehmii Hust. Not established
Cymbella cantonatii Lange-Bert. Data deficient
Cymbella compacta Østrup Least concern
Cymbella cursiformis auct. Not established
Cymbella cymbiformis C. Agardh Vulnerable
Cymbella dorsenotata Østrup Threatened to an unkown extent
Cymbella excisa Kütz. var. excisa Least concern
Cymbella excisa var. procera Krammer Data deficient
Cymbella excisiformis Krammer Vulnerable
Cymbella halophila Krammer Rare
Cymbella hantzschiana Krammer Data deficient
Cymbella helvetica Kütz. Vulnerable
Cymbella hofmanniae Lange-Bert. & Krammer Endangered
Cymbella hustedtii Krasske var. hustedtii Threatened to an unkown extent
Cymbella hustedtii var. compacta Krammer Extinct in Germany
Cymbella hustedtii var. rhombica Krammer Threatened to an unkown extent
Cymbella incurvata Krammer Data deficient
Cymbella kolbei var. angusta Krammer Rare
Cymbella laevis Nägeli var. laevis Vulnerable
Cymbella laevis var. lata Krammer Threatened to an unkown extent
Cymbella lancettula (Krammer) Krammer Endangered
Cymbella lange-bertalotii Krammer Least concern
Cymbella moelleriana Grunow Data deficient
Cymbella neocistula Krammer Least concern
Cymbella neolanceolata W.J. Silva var. neolanceolata Least concern
Cymbella neolanceolata var. bottnica (Krammer) W.J. Silva Data deficient
Cymbella neoleptoceros Krammer var. neoleptoceros Least concern
Cymbella neoleptoceros var. tenuistriata Krammer Least concern
Cymbella parva (W. Smith) Kirchn. Threatened to an unkown extent
Cymbella peraspera Krammer Data deficient
Cymbella percapitata Krammer Threatened to an unkown extent
Cymbella perparva Krammer Threatened to an unkown extent
Cymbella pervarians Krammer Threatened to an unkown extent
Cymbella proxima Reimer Threatened to an unkown extent
Cymbella reinhardtii Grunow Not established
Cymbella schimanskii Krammer Threatened to an unkown extent
Cymbella scotlandica Krammer Threatened to an unkown extent
Cymbella simonsenii Krammer Endangered
Cymbella stigmaphora Østrup Threatened to an unkown extent
Cymbella subaspera Krammer Data deficient
Cymbella subcistula Krammer Data deficient
Cymbella subhelvetica Krammer Vulnerable
Cymbella subheteropleura Krammer Data deficient
Cymbella subleptoceros Krammer Data deficient
Cymbella tridentina Cantonati et al. Endangered
Cymbella tumida (Bréb.) Van Heurck Least concern
Cymbella vulgata Krammer Vulnerable
Cymbellafalsa diluviana Krasske Endangered
Cymbellonitzschia diluviana Hust. Endangered
Cymbopleura amphicephala (Nägeli) Krammer Threatened to an unkown extent
Cymbopleura anglica (Lagerst.) Krammer Threatened to an unkown extent
Cymbopleura angustata (W. Smith) Krammer Vulnerable
Cymbopleura apiculata Krammer Threatened to an unkown extent
Cymbopleura austriaca (Grunow) Krammer Endangered
Cymbopleura citriformis Krammer Extinct in Germany
Cymbopleura citrus (J.R. Carter & Bailey-Watts) Krammer Vulnerable
Cymbopleura cuspidata (Kütz.) Krammer Threatened to an unkown extent
Cymbopleura diminuta (Grunow) Krammer Threatened to an unkown extent
Cymbopleura elliptica Krammer Threatened to an unkown extent
Cymbopleura florentina Krammer var. florentina Threatened to an unkown extent
Cymbopleura florentina var. brevis Krammer Threatened to an unkown extent
Cymbopleura florentiniformis Krammer Vulnerable
Cymbopleura frequens Krammer var. frequens Threatened to an unkown extent
Cymbopleura frequens var. rivularis Krammer Threatened to an unkown extent
Cymbopleura frequens var. saxonixa Krammer Threatened to an unkown extent
Cymbopleura geofriedana E. Reichardt Data deficient
Cymbopleura hercynica (A.W.F. Schmidt) Krammer Data deficient
Cymbopleura hybrida (Grunow) Krammer var. hybrida Threatened to an unkown extent
Cymbopleura hybrida var. capitata (Fontell) Krammer Threatened to an unkown extent
Cymbopleura inaequaliformis Krammer Data deficient
Cymbopleura inaequalis (Ehrenb.) Krammer Near threatened
Cymbopleura inaequilatera (Lagerst.) Krammer Data deficient
Cymbopleura incerta (Grunow) Krammer var. incerta Threatened to an unkown extent
Cymbopleura incerta var. grunowii Krammer Data deficient
Cymbopleura incertiformis Krammer var. incertiformis Threatened to an unkown extent
Cymbopleura incertiformis var. inariensis Krammer Threatened to an unkown extent
Cymbopleura incertiformis var. laterostrata Krammer Threatened to an unkown extent
Cymbopleura korana Krammer Data deficient
Cymbopleura krammeri E. Reichardt var. krammeri Data deficient
Cymbopleura krammeri var. alpestris (Krammer) E. Reichardt Data deficient
Cymbopleura krammeri var. pertruncata (Krammer) E. Reichardt Data deficient
Cymbopleura krammeri var. truncata (Krammer) E. Reichardt Data deficient
Cymbopleura laeviformis Krammer Threatened to an unkown extent
Cymbopleura lapponica (Grunow) Krammer Endangered
Cymbopleura lata (Grunow) Krammer var. lata Vulnerable
Cymbopleura lata var. truncata (Grunow) Krammer Threatened to an unkown extent
Cymbopleura metzeltinii Krammer Rare
Cymbopleura naviculiformis (Auersw.) Krammer Least concern
Cymbopleura perstechlinensis Krammer & Metzeltin Endangered
Cymbopleura platycephala (A. Mayer) Krammer Endangered
Cymbopleura rhomboidea Krammer var. rhomboidea Data deficient
Cymbopleura rhomboidea var. angusta Krammer Data deficient
Cymbopleura rupicola (Grunow) Krammer var. rupicola Threatened to an unkown extent
Cymbopleura rupicola var. minor Krammer Threatened to an unkown extent
Cymbopleura similiformis Krammer var. similiformis Threatened to an unkown extent
Cymbopleura similiformis var. angusta Krammer Threatened to an unkown extent
Cymbopleura similis (Krasske) Krammer Threatened to an unkown extent
Cymbopleura stechlinensis Krammer Endangered
Cymbopleura subaequalis (Grunow) Krammer Vulnerable
Cymbopleura subaustriaca Krammer Threatened to an unkown extent
Cymbopleura subcuspidata (Krammer) Krammer Threatened to an unkown extent
Cymbopleura subheteropleura Krammer Threatened to an unkown extent
Cymbopleura sublanceolata Krammer Threatened to an unkown extent
Cymbopleura sublancettula Krammer Threatened to an unkown extent
Cymbopleura tynnii (Krammer) Krammer Endangered
D
Decussata hexagona (Torka) Lange-Bert. Endangered
Decussata placenta (Ehrenb.) Lange-Bert. & Metzeltin Vulnerable
Delicata apiculata Krammer & Lange-Bert. Endangered
Delicata capitata Krammer Endangered
Delicata delicatula (Kütz.) Krammer var. delicatula Vulnerable
Delicata delicatula var. alpestris Krammer Threatened to an unkown extent
Delicata delicatula var. angusta Krammer Threatened to an unkown extent
Delicata minuta Krammer Threatened to an unkown extent
Delphineis minutissima (Hust.) Simonsen Least concern
Delphineis surirella (Ehrenb.) G.W. Andrews Least concern
Delphineis surirelloides (Simonsen) G.W. Andrews Least concern
Denticula creticola (Østrup) Lange-Bert. & Krammer Data deficient
Denticula elegans Kütz. Threatened to an unkown extent
Denticula kuetzingii var. rumrichorum Krammer Data deficient
Denticula subtilis Grunow Least concern
Denticula sundayensis R.E.M. Archibald Least concern
Denticula tenuis Kütz. Least concern
Denticula thermalis Kütz. Rare
Denticula valida (Pedicino) Grunow Rare
Diadesmis confervacea Kütz. Least concern
Diadesmis contenta var. biceps (Grunow) P.B. Hamilton Rare
Diadesmis gallica W. Smith Least concern
Diatoma anceps (Ehrenb.) Kirchn. Threatened to an unkown extent
Diatoma ehrenbergii Kütz. Least concern
Diatoma hyemalis (Roth) Heib. var. hyemalis Least concern
Diatoma hyemalis var. maxima (Grunow) F. Meister Data deficient
Diatoma mesodon (Ehrenb.) Kütz. Least concern
Diatoma moniliformis Kütz. subsp. moniliformis Least concern
Diatoma moniliformis subsp. ovalis (Fricke) Lange-Bert. Least concern
Diatoma polonica Bąk et al. Data deficient
Diatoma problematica Lange-Bert. Least concern
Diatoma tenuis C. Agardh Least concern
Diatoma vulgaris Bory Least concern
Diatomella balfouriana Grev. Threatened to an unkown extent
Dickiea soodensis (Krasske) E. Reichardt Least concern
Dickiea subinflata (Grunow) D.G. Mann Data deficient
Didymosphenia geminata (Lyngb.) Mart. Schmidt Least concern
Dimeregramma minor (W. Greg.) Ralfs Least concern
Diploneis abscondita Lange-Bert. & G. Hofm. Rare
Diploneis aestuarii Hust. Least concern
Diploneis bombus Ehrenb. Least concern
Diploneis burgitensis Prudent Vulnerable
Diploneis calcilacustris Lange-Bert. & Fuhrmann Data deficient
Diploneis didyma (Ehrenb.) Ehrenb. Least concern
Diploneis domblittensis (Grunow) Cleve Endangered
Diploneis elliptica (Kütz.) Cleve var. elliptica Near threatened
Diploneis fereparma Lange-Bert. & Fuhrmann Rare
Diploneis fontanella Lange-Bert. Threatened to an unkown extent
Diploneis fontium E. Reichardt & Lange-Bert. Threatened to an unkown extent
Diploneis interrupta (Kütz.) Cleve Least concern
Diploneis krammeri Lange-Bert. & E. Reichardt Near threatened
Diploneis lusatica Lange-Bert. & G. Hofm. Rare
Diploneis marginestriata Hust. Vulnerable
Diploneis mauleri (Brun) Cleve Endangered
Diploneis minuta J.B. Petersen Rare
Diploneis modica Hust. Data deficient
Diploneis modicahassiaca Lange-Bert. & Fuhrmann Data deficient
Diploneis oblongella (Nägeli) Cleve-Euler Data deficient
Diploneis oblongellopsis Lange-Bert. & Fuhrmann Data deficient
Diploneis oculata (Bréb.) Cleve Least concern
Diploneis ovalis (Hilse) Cleve Endangered
Diploneis parma Cleve Rare
Diploneis petersenii Hust. Vulnerable
Diploneis pseudovalis Hust. Rare
Diploneis puella (Schum.) Cleve Data deficient
Diploneis puellafallax Lange-Bert. & Fuhrmann Rare
Diploneis separanda Lange-Bert. Data deficient
Diploneis smithii (Bréb.) Cleve var. smithii Least concern
Diploneis smithii var. dilatata (Perag.) W.A. Terry Data deficient
Diploneis smithii var. pumila (Grunow) Hust. Data deficient
Diploneis smithii var. rhombica Mereschk. Data deficient
Diploneis stroemii Hust. Least concern
Diploneis tirolensis Lange-Bert. Data deficient
Discostella glomerata (H. Bachm.) Houk & Klee Least concern
Discostella pseudostelligera (Hust.) Houk & Klee Least concern
Discostella stelligera (Cleve & Grunow) Houk & Klee Least concern
Discostella stelligeroides (Hust.) Houk & Klee Least concern
Discostella woltereckii (Hust.) Houk & Klee Data deficient
E
Ellerbeckia arenaria (Moore) R.M. Crawford Least concern
Encyonema aeqilongum Lange-Bert. & Krammer Rare
Encyonema alpinum (Grunow) D.G. Mann Threatened to an unkown extent
Encyonema auerswaldii Rabenh. Data deficient
Encyonema bipartitum (A. Mayer) Krammer Data deficient
Encyonema caespitosum Kütz. var. caespitosum Least concern
Encyonema caespitosum var. comensis Krammer Data deficient
Encyonema caespitosum var. maxima Krammer Rare
Encyonema carina Lange-Bert. & Krammer Rare
Encyonema disjunctum E. Reichardt Data deficient
Encyonema distinctum Lange-Bert. & Krammer Rare
Encyonema elginense (Krammer) D.G. Mann Endangered
Encyonema gaeumannii (F. Meister) Krammer Vulnerable
Encyonema hebridicum Grunow Endangered
Encyonema hebridiforme Krammer Threatened to an unkown extent
Encyonema hintzii Krammer Data deficient
Encyonema hophense Krammer Critically endangered
Encyonema kalbei Krammer Data deficient
Encyonema kuelbsii Lange-Bert. & Krammer Endangered
Encyonema lacustre (C. Agardh) Mills Near threatened
Encyonema lange-bertalotii Krammer Least concern
Encyonema latens (Krasske) D.G. Mann Extinct in Germany
Encyonema leibleinii (C. Agardh) W.J. Silva et al. Least concern
Encyonema lunatum (W. Smith) Van Heurck Data deficient
Encyonema minutiforme Krammer Data deficient
Encyonema minutum (Hilse) D.G. Mann Least concern
Encyonema neogracile Krammer var. neogracile Vulnerable
Encyonema neogracile var. tenuipunctatum Krammer Data deficient
Encyonema neomesianum Krammer Vulnerable
Encyonema norvegicum (Grunow) Mills var. norvegicum Endangered
Encyonema norvegicum var. alpinum Krammer Endangered
Encyonema obscurum var. alpinum Krammer Vulnerable
Encyonema parvum Krammer Threatened to an unkown extent
Encyonema paucistriatum (Cleve-Euler) D.G. Mann Endangered
Encyonema pergracile Krammer Threatened to an unkown extent
Encyonema perpusillum (A. Cleve) D.G. Mann Vulnerable
Encyonema procerum Krammer Critically endangered
Encyonema reichardtii (Krammer) D.G. Mann Least concern
Encyonema schimanskii Krammer Threatened to an unkown extent
Encyonema semilanceolatum Krammer Threatened to an unkown extent
Encyonema silesiacum (Bleisch) D.G. Mann var. silesiacum Least concern
Encyonema silesiacum var. distigmatum Krammer Rare
Encyonema silesiacum var. distinctepunctatum Krammer Data deficient
Encyonema silesiacum var. excisum Krammer Rare
Encyonema silesiacum var. latareum Krammer Rare
Encyonema silesiacum var. latestriatum Krammer Rare
Encyonema silesiacum var. latum Krammer Data deficient
Encyonema silesiacum var. ventriforme Krammer Data deficient
Encyonema sublangebertalotii Lange-Bert. & Cantonati Threatened to an unkown extent
Encyonema subnorvegicum Krammer Threatened to an unkown extent
Encyonema triangulum (Ehrenb.) Kütz. Rare
Encyonema ventricosum (C. Agardh) Grunow Least concern
Encyonema vulgare Krammer Vulnerable
Encyonopsis aequalis (W. Smith) Krammer Endangered
Encyonopsis alpina Krammer & Lange-Bert. Threatened to an unkown extent
Encyonopsis angusta Krammer & Lange-Bert. Threatened to an unkown extent
Encyonopsis cesatiformis Krammer Data deficient
Encyonopsis cesatii (Rabenh.) Krammer var. cesatii Near threatened
Encyonopsis cesatii var. geitleri Krammer Data deficient
Encyonopsis descripta (Hust.) Krammer var. descripta Threatened to an unkown extent
Encyonopsis descripta var. asymmetrica Krammer Rare
Encyonopsis eifelana Krammer Rare
Encyonopsis falaisensis (Grunow) Krammer Threatened to an unkown extent
Encyonopsis grunowii Krammer Endangered
Encyonopsis krammeri E. Reichardt Threatened to an unkown extent
Encyonopsis lanceola (Grunow) Krammer Threatened to an unkown extent
Encyonopsis lange-bertalotii Krammer Endangered
Encyonopsis microcephala (Grunow) Krammer Least concern
Encyonopsis minuta Krammer & E. Reichardt Data deficient
Encyonopsis neoamphioxys Krammer Threatened to an unkown extent
Encyonopsis pfisteri Krammer Endangered
Encyonopsis subminuta Krammer & E. Reichardt Threatened to an unkown extent
Encyonopsis thumensis Krammer Threatened to an unkown extent
Encyonopsis tiroliana Krammer & Lange-Bert. Critically endangered
Entomoneis alata (Ehrenb.) Ehrenb. Least concern
Entomoneis costata (Hust.) Reimer Least concern
Entomoneis ornata (Bailey) Reimer Threatened to an unkown extent
Entomoneis paludosa (W. Smith) Reimer var. paludosa Least concern
Entomoneis paludosa var. subsalina Cleve Least concern
Eolimna archibaldii J.C. Taylor & Lange-Bert. Data deficient
Eolimna crassulexigua (E. Reichardt) E. Reichardt Data deficient
Eolimna elorantana (Lange-Bert.) Lange-Bert. & Kulikovskiy Endangered
Eolimna jurafontinalis (Lange-Bert. & Werum) Lange-Bert. & Kulikovskiy Data deficient
Eolimna minima (Grunow) Lange-Bert. Least concern
Eolimna muraloides (Hust.) Lange-Bert. & Kulikovskiy Data deficient
Eolimna neocaledonica (Manguin) Lange-Bert. Rare
Eolimna raederae (Lange-Bert.) Lange-Bert. & Kulikovskiy Threatened to an unkown extent
Eolimna rotunda (Hust.) Lange-Bert. & Kulikovskiy Threatened to an unkown extent
Eolimna schaumburgii (Lange-Bert. & G. Hofm.) Lange-Bert. & Kulikovskiy Data deficient
Eolimna silvahercynia (Lange-Bert.) Lange-Bert. Threatened to an unkown extent
Eolimna subadnata (Hust.) Lange-Bert. Rare
Eolimna subminuscula (Manguin) Lange-Bert. Least concern
Eolimna submuralis (Hust.) Lange-Bert. & Kulikovskiy Rare
Eolimna tantula (Hust.) Lange-Bert. Data deficient
Eolimna utermoehlii (Hust.) Lange-Bert. & Kulikovskiy Least concern
Epithemia adnata (Kütz.) Bréb. Least concern
Epithemia argus (Ehrenb.) Kütz. var. argus Least concern
Epithemia argus var. alpestris (W. Smith) Grunow Threatened to an unkown extent
Epithemia cistula (Ehrenb.) Ralfs Rare
Epithemia frickei Krammer Near threatened
Epithemia goeppertiana Hilse Threatened to an unkown extent
Epithemia hyndmanii W. Smith Rare
Epithemia smithii Carruth. Data deficient
Epithemia sorex Kütz. var. sorex Least concern
Epithemia turgida (Ehrenb.) Kütz. var. turgida Least concern
Epithemia turgida var. granulata (Ehrenb.) Brun Least concern
Epithemia westermannii (Ehrenb.) Grunow Least concern
Eucocconeis alpestris (Brun) Lange-Bert. Endangered
Eucocconeis austriaca (Hust.) Lange-Bert. Endangered
Eucocconeis diluviana (Hust.) Lange-Bert. Rare
Eucocconeis flexella (Kütz.) Cleve Endangered
Eucocconeis laevis (Østrup) Lange-Bert. Near threatened
Eucocconeis leptostriata Lange-Bert. Data deficient
Eucocconeis quadratarea (Østrup) Lange-Bert. Rare
Eunotia alkalibiontica Lange-Bert. Critically endangered
Eunotia altimontana Lange-Bert. et al. Rare
Eunotia ambivalens Lange-Bert. & Tagliaventi Threatened to an unkown extent
Eunotia angustior (Grunow) Lange-Bert. & Tagliaventi Rare
Eunotia arcofallax Lange-Bert. Rare
Eunotia arcubus Nörpel-Schempp & Lange-Bert. var. arcubus Vulnerable
Eunotia arcubus var. bidens (Grunow) Lange-Bert. Vulnerable
Eunotia arculus (Grunow) Lange-Bert. & Nörpel Endangered
Eunotia arcus Ehrenb. Near threatened
Eunotia bactriana Ehrenb. Critically endangered
Eunotia belgica Van de Vijver & Lange-Bert. Threatened to an unkown extent
Eunotia bertrandii Lange-Bert. & Tagliaventi Threatened to an unkown extent
Eunotia biconstricta (Grunow) Lange-Bert. Critically endangered
Eunotia bidens Ehrenb. Threatened to an unkown extent
Eunotia bigibba Kütz. Endangered
Eunotia bilunaris (Ehrenb.) Schaarschm. Least concern
Eunotia boreoalpina Nörpel-Schempp & Lange-Bert. Threatened to an unkown extent
Eunotia boreotenuis Nörpel-Schempp & Lange-Bert. Threatened to an unkown extent
Eunotia botuliformis F. Wild et al. Threatened to an unkown extent
Eunotia braendlei Lange-Bert. & Werum Critically endangered
Eunotia cantonatii Lange-Bert. & Tagliaventi Data deficient
Eunotia circumborealis Lange-Bert. & Nörpel Critically endangered
Eunotia cisalpina Lange-Bert. & Cantonati Critically endangered
Eunotia curtagrunowii Nörpel-Schempp & Lange-Bert. Threatened to an unkown extent
Eunotia denticulata (Bréb.) Rabenh. Critically endangered
Eunotia diadema Ehrenb. Critically endangered
Eunotia doreofeyukae Lange-Bert. & Kulikovskiy Rare
Eunotia elegans Østrup Critically endangered
Eunotia eurycephala (Grunow) Nörpel-Schempp & Lange-Bert. Rare
Eunotia exigua (Bréb.) Rabenh. Least concern
Eunotia faba Ehrenb. Critically endangered
Eunotia fallax A. Cleve Data deficient
Eunotia fennica (Hust.) Lange-Bert. Threatened to an unkown extent
Eunotia flexuosa (Bréb.) Kütz. Endangered
Eunotia formicina Lange-Bert. Threatened to an unkown extent
Eunotia genuflexa Nörpel-Schempp Data deficient
Eunotia glacialifalsa Lange-Bert. Threatened to an unkown extent
Eunotia glacialis F. Meister Threatened to an unkown extent
Eunotia glacialispinosa Lange-Bert. & Cantonati Threatened to an unkown extent
Eunotia groenlandica (Grunow) Nörpel-Schempp & Lange-Bert. Threatened to an unkown extent
Eunotia hexaglyphis Ehrenb. Critically endangered
Eunotia implicata Nörpel-Schempp et al. Threatened to an unkown extent
Eunotia incisa W. Greg. Threatened to an unkown extent
Eunotia incisadistans Lange-Bert. & Sienk. Threatened to an unkown extent
Eunotia intermedia (Krasske) Nörpel & Lange-Bert. Endangered
Eunotia islandica Østrup Data deficient
Eunotia juettnerae Lange-Bert. Threatened to an unkown extent
Eunotia kruegeri Lange-Bert. Endangered
Eunotia lapponica Grunow Critically endangered
Eunotia leptopaludosa Lange-Bert. Endangered
Eunotia maior (W. Smith) Rabenh. Endangered
Eunotia meisteri Hust. Vulnerable
Eunotia meisterioides Lange-Bert. Threatened to an unkown extent
Eunotia mertensiae Lange-Bert. Rare
Eunotia metamonodon Lange-Bert. Endangered
Eunotia microcephala Krasske Endangered
Eunotia minor (Kütz.) Grunow Near threatened
Eunotia minutula Grunow Rare
Eunotia monnieri Lange-Bert. & Tagliaventi Threatened to an unkown extent
Eunotia mucophila (Lange-Bert. & Nörpel) Lange-Bert. Threatened to an unkown extent
Eunotia naegelii Mig. Vulnerable
Eunotia neoborealis Lange-Bert. Data deficient
Eunotia neocompacta Mayama var. neocompacta Endangered
Eunotia neocompacta var. vixcompacta Lange-Bert. Threatened to an unkown extent
Eunotia neofallax Nörpel-Schempp & Lange-Bert. Threatened to an unkown extent
Eunotia neoscandinavica Lange-Bert. & Witkowski Endangered
Eunotia nymanniana Grunow Endangered
Eunotia palatina Lange-Bert. & Wolfg. Krüger Endangered
Eunotia paludosa Grunow Near threatened
Eunotia papiliofalsa Lange-Bert. & Tagliaventi Threatened to an unkown extent
Eunotia paratridentula Lange-Bert. & Kulikovskiy Vulnerable
Eunotia pectinalis (Kütz.) Rabenh. Vulnerable
Eunotia praerupta Ehrenb. Endangered
Eunotia pseudogroenlandica Lange-Bert. & Tagliaventi Threatened to an unkown extent
Eunotia pseudopectinalis Hust. Critically endangered
Eunotia renata Lange-Bert. Critically endangered
Eunotia rhomboidea Hust. Threatened to an unkown extent
Eunotia rhynchocephala Hust. Critically endangered
Eunotia ruzickae J. Bilý & Marvan Threatened to an unkown extent
Eunotia satelles (Nörpel & Lange-Bert.) Nörpel-Schempp & Lange-Bert. Threatened to an unkown extent
Eunotia sedina Lange-Bert. et al. Threatened to an unkown extent
Eunotia seminulum Nörpel-Schempp & Lange-Bert. Data deficient
Eunotia serra Ehrenb. Critically endangered
Eunotia silvahercynia Nörpel et al. Critically endangered
Eunotia soleirolii (Kütz.) Rabenh. Threatened to an unkown extent
Eunotia subarcuatoides Alles et al. Least concern
Eunotia subherkiniensis Lange-Bert. Endangered
Eunotia sudetica O. Müll. Endangered
Eunotia superbidens Lange-Bert. Threatened to an unkown extent
Eunotia superpaludosa Lange-Bert. Critically endangered
Eunotia tenella (Grunow) Hust. Threatened to an unkown extent
Eunotia tetraodon Ehrenb. Endangered
Eunotia trinacria Krasske Vulnerable
Eunotia triodon Ehrenb. Endangered
Eunotia ursamaioris Lange-Bert. & Nörpel Threatened to an unkown extent
Eunotia valida Hust. Threatened to an unkown extent
Eunotia variundulata Nörpel-Schempp & Lange-Bert. Rare
Eunotogramma marinum (W. Smith) H. Perag. & Perag. Least concern
F
Fallacia crassicostata Lange-Bert. & Werum Rare
Fallacia cryptolyra (C. Brockmann) Stickle & D.G. Mann Least concern
Fallacia dissipatoides (Hust.) Metzeltin et al. Data deficient
Fallacia forcipata (Grev.) Stickle & D.G. Mann Least concern
Fallacia fracta (Hust.) D.G. Mann Data deficient
Fallacia helensis (Schulz-Danzig) D.G. Mann Threatened to an unkown extent
Fallacia indifferens (Hust.) D.G. Mann Rare
Fallacia insociabilis (Krasske) D.G. Mann Least concern
Fallacia lange-bertalotii (E. Reichardt) E. Reichardt Threatened to an unkown extent
Fallacia lenzii (Hust.) Lange-Bert. Least concern
Fallacia lucinensis (Hust.) D.G. Mann Threatened to an unkown extent
Fallacia mitis (Hust.) D.G. Mann Data deficient
Fallacia omissa (Hust.) D.G. Mann Data deficient
Fallacia pseudoforcipata (Hust.) D.G. Mann Data deficient
Fallacia pygmaea (Kütz.) Stickle & D.G. Mann subsp. pygmaea Least concern
Fallacia pygmaea subsp. subpygmaea Lange-Bert. et al. Least concern
Fallacia subhamulata (Grunow) D.G. Mann Least concern
Fallacia sublucidula (Hust.) D.G. Mann Least concern
Fallacia tenerrima (Hust.) D.G. Mann Rare
Fallacia vitrea (Østrup) D.G. Mann Threatened to an unkown extent
Fistulifera pelliculosa (Bréb. ex Kütz.) Lange-Bert. Least concern
Fistulifera saprophila (Lange-Bert. & Bonik) Lange-Bert. Least concern
Fragilaria acidoclinata Lange-Bert. & G. Hofm. Vulnerable
Fragilaria alpestris Krasske Near threatened
Fragilaria amphicephaloides Lange-Bert. Vulnerable
Fragilaria aquaplus Lange-Bert. & S. Ulrich Data deficient
Fragilaria atomus Hust. Least concern
Fragilaria austriaca (Grunow) Lange-Bert. Threatened to an unkown extent
Fragilaria berolinensis (Lemmerm.) Lange-Bert. Least concern
Fragilaria biceps (Kütz.) Lange-Bert. Threatened to an unkown extent
Fragilaria bidens Heib. Data deficient
Fragilaria capucina Desm. var. capucina Least concern
Fragilaria cassubica Witkowski & Lange-Bert. Least concern
Fragilaria construens f. exigua (W. Smith) Hust. Least concern
Fragilaria construens f. subsalina (Hust.) Hust. Least concern
Fragilaria crotonensis Kitton subsp. crotonensis Least concern
Fragilaria crotonensis subsp. lacus-vulcani Lange-Bert. & S. Ulrich Data deficient
Fragilaria cyclopum (Brutschy) Lange-Bert. Near threatened
Fragilaria elliptica Schum. Data deficient
Fragilaria famelica (Kütz.) Lange-Bert. Least concern
Fragilaria gracilis Østrup Least concern
Fragilaria grunowii Lange-Bert. & S. Ulrich Least concern
Fragilaria heidenii Østrup Data deficient
Fragilaria henryi Lange-Bert. Least concern
Fragilaria hungarica Pant. var. hungarica Data deficient
Fragilaria hungarica var. tumida Cleve-Euler Data deficient
Fragilaria incognita E. Reichardt Least concern
Fragilaria istvanffyi Pant. Least concern
Fragilaria karelica Mölder Data deficient
Fragilaria lancettula Schum. Least concern
Fragilaria lapponica Grunow Vulnerable
Fragilaria leptostauron (Ehrenb.) Hust. var. leptostauron Least concern
Fragilaria leptostauron var. dubia (Grunow) Hust. Least concern
Fragilaria longifusiformis subsp. eurofusiformis Lange-Bert. & S. Ulrich Data deficient
Fragilaria martyi (Hérib.) Lange-Bert. Least concern
Fragilaria mesolepta Rabenh. Least concern
Fragilaria montana (Krasske) Lange-Bert. Data deficient
Fragilaria nanoides Lange-Bert. Data deficient
Fragilaria neoproducta Lange-Bert. Vulnerable
Fragilaria oldenburgiana Hust. Data deficient
Fragilaria pantocsekii Cleve-Euler Data deficient
Fragilaria pararumpens Lange-Bert. et al. Least concern
Fragilaria pectinalis (O.F. Müll.) Lyngb. Data deficient
Fragilaria perdelicatissima Lange-Bert. & Van de Vijver Near threatened
Fragilaria perminuta (Grunow) Lange-Bert. Least concern
Fragilaria pinnata Ehrenb. f. pinnata Least concern
Fragilaria pinnata f. subsolitaris (Grunow) A. Mayer Least concern
Fragilaria pinnata var. intercedens (Grunow) Hust. Least concern
Fragilaria pinnata var. trigona (Brun & Hérib.) Hust. Rare
Fragilaria polonica Witkowski & Lange-Bert. Data deficient
Fragilaria polygonata Cleve-Euler Data deficient
Fragilaria pseudoconstruens Marciniak Threatened to an unkown extent
Fragilaria quadrata (Hust.) Lange-Bert. & Metzeltin Data deficient
Fragilaria radians (Kütz.) D.M. Williams & Round Least concern
Fragilaria recapitellata Lange-Bert. & Metzeltin Least concern
Fragilaria reicheltii (M. Voigt) Lange-Bert. Vulnerable
Fragilaria rumpens (Kütz.) G.W.F. Carlson Least concern
Fragilaria saxoplanctonica Lange-Bert. & S. Ulrich Least concern
Fragilaria schulzii C. Brockmann Least concern
Fragilaria spinarum Lange-Bert. & Metzeltin Rare
Fragilaria subsalina (Grunow) Lange-Bert. Data deficient
Fragilaria tenera (W. Smith) Lange-Bert. var. tenera Least concern
Fragilaria tenera var. lemanensis Druart et al. Rare
Fragilaria tenera var. nanana (Lange-Bert.) Lange-Bert. & S. Ulrich Least concern
Fragilaria tenuissima Lange-Bert. & S. Ulrich Least concern
Fragilaria utermoehlii Hust. Data deficient
Fragilaria vaucheriae (Kütz.) J.B. Petersen Least concern
Fragilaria zeilleri Hérib. var. zeilleri Data deficient
Fragilaria zeilleri var. africana Gasse Data deficient
Fragilaria zeilleri var. elliptica Gasse Data deficient
Fragilariforma bicapitata (A. Mayer) D.M. Williams & Round Threatened to an unkown extent
Fragilariforma constricta (Ehrenb.) D.M. Williams & Round Vulnerable
Fragilariforma nitzschioides (Grunow) Lange-Bert. Vulnerable
Fragilariforma virescens (Ralfs) D.M. Williams & Round Least concern
Frustulia amosseana Lange-Bert. Threatened to an unkown extent
Frustulia amphipleuroides (Grunow) Cleve-Euler Least concern
Frustulia crassinervia (Bréb.) Lange-Bert. & Krammer Near threatened
Frustulia creuzburgensis (Krasske) Hust. Least concern
Frustulia erifuga Lange-Bert. & Krammer Vulnerable
Frustulia krammeri Lange-Bert. & Metzeltin Critically endangered
Frustulia marginata Amossé Threatened to an unkown extent
Frustulia pangaeopsis Lange-Bert. Threatened to an unkown extent
Frustulia quadrisinuata Lange-Bert. Threatened to an unkown extent
Frustulia saxonica Rabenh. Near threatened
Frustulia spicula Amossé Rare
Frustulia vulgaris (Thwaites) De Toni Least concern
Frustulia weinholdii Hust. Rare
G
Geissleria acceptata (Hust.) Lange-Bert. & Metzeltin Least concern
Geissleria cummerowi (Kalbe) Lange-Bert. Least concern
Geissleria declivis (Hust.) Lange-Bert. & Metzeltin Critically endangered
Geissleria decussis (Hust.) Lange-Bert. & Metzeltin Least concern
Geissleria dolomitica (W. Bock) Lange-Bert. & Metzeltin Endangered
Geissleria ignota (Krasske) Lange-Bert. & Metzeltin Near threatened
Geissleria paludosa (Hust.) Lange-Bert. & Metzeltin Vulnerable
Geissleria schoenfeldii (Hust.) Lange-Bert. & Metzeltin Least concern
Geissleria similis (Krasske) Lange-Bert. & Metzeltin Near threatened
Geissleria tectissima (Lange-Bert.) Lange-Bert. Threatened to an unkown extent
Geissleria thingvallae (Østrup) Metzeltin & Lange-Bert. Critically endangered
Genkalia digituloides (Lange-Bert.) Lange-B. & Kulikovskiy Threatened to an unkown extent
Genkalia digitulus (Hust.) Lange-Bert. & Kulikovskiy Vulnerable
Germainiella enigmatica (H. Germ.) Lange-Bert. & Metzeltin Data deficient
Gliwiczia calcar (Cleve) Kulikovskiy, Lange-Bert. & Witkowski Endangered
Gomphocymbellopsis ancyli (Cleve) Krammer Threatened to an unkown extent
Gomphoneis minuta (J.L. Stone) Kociolek & Stoermer Data deficient
Gomphoneis transsilvanica (Pant.) Krammer Data deficient
Gomphonema acidoclinatum Lange-Bert. & E. Reichardt Data deficient
Gomphonema acuminatum Ehrenb. var. acuminatum Least concern
Gomphonema acuminatum var. pusillum Grunow Threatened to an unkown extent
Gomphonema acutiusculum (O. Müll.) Cleve-Euler Rare
Gomphonema affine Kütz. Not established
Gomphonema amoenum Lange-Bert. Vulnerable
Gomphonema angustatum (Kütz.) Rabenh. Least concern
Gomphonema angusticephalum E. Reichardt & Lange-Bert. Rare
Gomphonema angustius E. Reichardt Threatened to an unkown extent
Gomphonema angustivalva E. Reichardt Data deficient
Gomphonema angustum C. Agardh Threatened to an unkown extent
Gomphonema anjae Lange-Bert. & E. Reichardt Data deficient
Gomphonema aquaemineralis Lange-Bert. & E. Reichardt Data deficient
Gomphonema augur Ehrenb. Least concern
Gomphonema auritum A. Braun Vulnerable
Gomphonema bavaricum E. Reichardt & Lange-Bert. Threatened to an unkown extent
Gomphonema bipunctatum Krasske Endangered
Gomphonema bozenae Lange-Bert. & E. Reichardt Threatened to an unkown extent
Gomphonema brebissonii Kütz. Least concern
Gomphonema calcifugum Lange-Bert. & E. Reichardt Near threatened
Gomphonema campodunense E. Reichardt Data deficient
Gomphonema capitatum Ehrenb. Least concern
Gomphonema capitoccultum E. Reichardt Endangered
Gomphonema clavatulum E. Reichardt Least concern
Gomphonema coronatum Ehrenb. Vulnerable
Gomphonema cuneolus E. Reichardt Threatened to an unkown extent
Gomphonema cymbelliclinum E. Reichardt & Lange-Bert. Least concern
Gomphonema dichotomum Kütz. Near threatened
Gomphonema disgracile E. Reichardt Threatened to an unkown extent
Gomphonema drutelingense E. Reichardt Data deficient
Gomphonema elegantissimum E. Reichardt & Lange-Bert. Least concern
Gomphonema exiguum Kütz. var. exiguum Least concern
Gomphonema exiguum var. platypus (Østrup) Lange-Bert. Data deficient
Gomphonema exilissimum (Grunow) Lange-Bert. & E. Reichardt Near threatened
Gomphonema extentum E. Reichardt & Lange-Bert. Threatened to an unkown extent
Gomphonema gautieri (Van Heurck) Lange-Bert. & Metzeltin Rare
Gomphonema geisslerae E. Reichardt Threatened to an unkown extent
Gomphonema gracile Ehrenb. Data deficient
Gomphonema graciledictum E. Reichardt Least concern
Gomphonema gutturatum E. Reichardt var. gutturatum Rare
Gomphonema gutturatum var. simplex E. Reichardt Rare
Gomphonema hebridense W. Greg. Near threatened
Gomphonema helveticum Brun Endangered
Gomphonema innocens E. Reichardt Least concern
Gomphonema insigne W. Greg. Near threatened
Gomphonema insigniforme E. Reichardt & Lange-Bert. Near threatened
Gomphonema interpositum E. Reichardt Threatened to an unkown extent
Gomphonema italicum Kütz. Least concern
Gomphonema jergackianum E. Reichardt Endangered
Gomphonema lacunicola R.M. Patrick & Freese Data deficient
Gomphonema lacus-vulcani E. Reichardt & Lange-Bert. Threatened to an unkown extent
Gomphonema lagerheimii A. Cleve Endangered
Gomphonema lange-bertalotii E. Reichardt Rare
Gomphonema lapponicum (A. Cleve) Cleve-Euler Endangered
Gomphonema lateripunctatum E. Reichardt & Lange-Bert. Near threatened
Gomphonema liebscheri E. Reichardt Data deficient
Gomphonema lippertii E. Reichardt & Lange-Bert. Threatened to an unkown extent
Gomphonema longiceps Ehrenb. Data deficient
Gomphonema longilineare E. Reichardt Threatened to an unkown extent
Gomphonema micropumilum E. Reichardt Data deficient
Gomphonema micropus Kütz. Least concern
Gomphonema minusculum Krasske Least concern
Gomphonema minutiforme Lange-Bert. & E. Reichardt Vulnerable
Gomphonema minutum (C. Agardh) C. Agardh f. minutum Least concern
Gomphonema minutum f. curtum (Hust.) Lange-Bert. & E. Reichardt Data deficient
Gomphonema minutum f. lemanense Lange-Bert. & E. Reichardt Data deficient
Gomphonema montanum Schum. Threatened to an unkown extent
Gomphonema obesoccultum E. Reichardt Rare
Gomphonema obscurum Krasske Least concern
Gomphonema occultum E. Reichardt & Lange-Bert. Vulnerable
Gomphonema olivaceoides Hust. Least concern
Gomphonema olivaceolacuum (Lange-Bert. & E. Reichardt) Lange-Bert. & E. Reichardt Least concern
Gomphonema olivaceum (Hornem.) Bréb. var. olivaceum Least concern
Gomphonema olivaceum var. balticum (Cleve) Grunow Near threatened
Gomphonema olivaceum var. calcareum (Cleve) Cleve Near threatened
Gomphonema olivaceum var. salinum Grunow Data deficient
Gomphonema olivaceum var. staurophorum Pant. Data deficient
Gomphonema pala E. Reichardt Threatened to an unkown extent
Gomphonema paludosum E. Reichardt Endangered
Gomphonema parallelistriatum Lange-Bert. & E. Reichardt Rare
Gomphonema parvulius (Lange-Bert. & E. Reichardt) Lange-Bert. & E. Reichardt Vulnerable
Gomphonema parvulum Kütz. f. parvulum Least concern
Gomphonema parvulum var. lagenula (Kütz.) Freng. Rare
Gomphonema pratense Lange-Bert. & E. Reichardt Threatened to an unkown extent
Gomphonema procerum E. Reichardt & Lange-Bert. Vulnerable
Gomphonema productum (Grunow) Lange-Bert. & E. Reichardt Threatened to an unkown extent
Gomphonema pseudoaugur Lange-Bert. Least concern
Gomphonema pseudobohemicum Lange-Bert. & E. Reichardt Vulnerable
Gomphonema pseudotenellum Lange-Bert. Threatened to an unkown extent
Gomphonema pumilum (Grunow) E. Reichardt & Lange-Bert. var. pumilum Least concern
Gomphonema pumilum var. rigidum E. Reichardt & Lange-Bert. Least concern
Gomphonema rhombicum Mart. Schmidt Threatened to an unkown extent
Gomphonema sagitta Schum. Rare
Gomphonema salinarum (Pant.) Cleve Data deficient
Gomphonema saprophilum (Lange-Bert. & E. Reichardt) N. Abarca et al. Least concern
Gomphonema sarcophagus W. Greg. Near threatened
Gomphonema sphenovertex Lange-Bert. & E. Reichardt Threatened to an unkown extent
Gomphonema stagnorum E. Reichardt Data deficient
Gomphonema stauroneiforme Grunow Endangered
Gomphonema subclavatum (Grunow) Grunow Least concern
Gomphonema subtile Ehrenb. Rare
Gomphonema supertergestinum E. Reichardt Threatened to an unkown extent
Gomphonema tenoccultum E. Reichardt Threatened to an unkown extent
Gomphonema tenue Fricke Endangered
Gomphonema tergestinum Fricke Least concern
Gomphonema truncatum Ehrenb. Least concern
Gomphonema utae Lange-Bert. & E. Reichardt Least concern
Gomphonema varioreduncum Jüttner et al. Data deficient
Gomphonema variostigmatum E. Reichardt Data deficient
Gomphonema variscohercynicum Lange-Bert. & E. Reichardt Threatened to an unkown extent
Gomphonema ventricosum W. Greg. Endangered
Gomphonema vibrio Ehrenb. Vulnerable
Gomphonema zellense E. Reichardt Threatened to an unkown extent
Gomphosphenia fontinalis Lange-Bert., Ector & Werum Data deficient
Gomphosphenia holmquistii Foged Data deficient
Gomphosphenia lingulatiformis (Lange-Bert. & E. Reichardt) Lange-Bert. Least concern
Gomphosphenia oahuensis (Hust.) Lange-Bert. Rare
Gomphosphenia tackei (Hust.) Lange-Bert. Endangered
Gyrosigma acuminatum (Kütz.) Rabenh. var. acuminatum Least concern
Gyrosigma acuminatum var. brebissonii (Grunow) Cleve Data deficient
Gyrosigma attenuatum (Kütz.) Rabenh. Least concern
Gyrosigma balticum (Ehrenb.) Rabenh. Least concern
Gyrosigma fasciola (Ehrenb.) J.W. Griff. & Henfr. Least concern
Gyrosigma kuetzingii (Grunow) Cleve Data deficient
Gyrosigma macrum (W. Smith) J.W. Griff. & Henfr. Least concern
Gyrosigma obscurum (W. Smith) J. W. Griff. & Henfr. Least concern
Gyrosigma obtusatum (Sull. & Wormley) C.S. Boyer Least concern
Gyrosigma parkeri (M.B. Harrison) Elmore Rare
Gyrosigma peisonis (Grunow) Hust. Rare
Gyrosigma sciotoense (Sull.) Cleve Least concern
Gyrosigma strigilis W. Smith Least concern
H
Halamphora acutiuscula (Kütz.) Levkov Least concern
Halamphora borealis (Kütz.) Levkov Data deficient
Halamphora coffeaeformis (C. Agardh) Levkov Least concern
Halamphora dusenii (Brun) Levkov Data deficient
Halamphora hassiaca (Krammer & S. Strecker) Lange-Bert. Least concern
Halamphora holsatica (Hust.) Levkov Least concern
Halamphora montana (Krasske) Levkov Least concern
Halamphora normanii (Rabenh.) Levkov var. normanii Near threatened
Halamphora normanii var. undulata (Krasske) Levkov Data deficient
Halamphora obscura (Krasske) Levkov Data deficient
Halamphora oligotraphenta (Lange-Bert.) Levkov Endangered
Halamphora saxonica R. Voigt & Levkov Data deficient
Halamphora streckerae (Krammer) Lange-Bert. Least concern
Halamphora subcapitata (Kisselev) Levkov Data deficient
Halamphora subholsatica (Krammer) Levkov Least concern
Halamphora thumensis (A. Mayer) Levkov Endangered
Halamphora veneta (Kütz.) Levkov Least concern
Hannaea arcus (Ehrenb.) Cleve Near threatened
Hantzschia abundans Lange-Bert. Least concern
Hantzschia alkaliphila Lange-Bert. Rare
Hantzschia amphioxys (Ehrenb.) Grunow Least concern
Hantzschia baltica Simonsen Least concern
Hantzschia barckhausenii Lange-Bert. & Metzeltin Threatened to an unkown extent
Hantzschia calcifuga E. Reichardt & Lange-Bert. Data deficient
Hantzschia elongata (Hantzsch) Grunow Threatened to an unkown extent
Hantzschia graciosa Lange-Bert. Rare
Hantzschia hyalina (Donkin) Grunow Data deficient
Hantzschia hyperborea (Grunow) Lange-Bert. Rare
Hantzschia marina (Donkin) Grunow Least concern
Hantzschia petitiana (Grunow) Grunow Data deficient
Hantzschia spectabilis (Ehrenb.) Hust. Least concern
Hantzschia subrupestris Lange-Bert. Least concern
Hantzschia virgata (Roper) Grunow var. virgata Least concern
Hantzschia virgata var. capitellata Hust. Rare
Hantzschia virgata var. gracilis Hust. Rare
Hantzschia virgata var. intermedia (Grunow) Round Data deficient
Hantzschia vivacior Lange-Bert. Data deficient
Hantzschia vivax (W. Smith) Perag. var. vivax Least concern
Hantzschia weyprechtii Grunow Data deficient
Haslea crucigera (W. Smith) Simonsen Least concern
Haslea spicula (Hickie) Lange-Bert. Least concern
Hippodonta arkonensis Lange-Bert. et al. Rare
Hippodonta capitata (Ehrenb.) Lange-Bert. et al. Least concern
Hippodonta costulata (Grunow) Lange-Bert. et al. Least concern
Hippodonta costulatiformis Lange-Bert. et al. Critically endangered
Hippodonta coxiae Lange-Bert. Threatened to an unkown extent
Hippodonta hungarica (Grunow) Lange-Bert. et al. Least concern
Hippodonta lesmonensis (Hust.) Lange-Bert. et al. Least concern
Hippodonta linearis (Østrup) Lange-Bert. et al. Least concern
Hippodonta lueneburgensis (Grunow) Lange-Bert. et al. Rare
Hippodonta neglecta Lange-Bert. et al. Rare
Hippodonta pumila Lange-Bert. et al. Least concern
Hippodonta subcostulata (Hust.) Lange-Bert. et al. Least concern
Humidophila aerophila (Krasske) R.L. Lowe et al. Rare
Humidophila brekkaensis (J.B. Petersen) R.L. Lowe et al. Least concern
Humidophila brekkaensoides (W. Bock) R.L. Lowe et al. Rare
Humidophila contenta (Grunow) R.L. Lowe et al. Data deficient
Humidophila dissimilis (Gerd Moser et al.) R.L. Lowe et al. Rare
Humidophila irata (Krasske) R.L. Lowe et al. Rare
Humidophila lacunosa (Lange-Bert.) R.L. Lowe et al. Data deficient
Humidophila laevissima (Cleve) R.L. Lowe et al. Data deficient
Humidophila paracontenta (Lange-Bert. & Werum) R.L. Lowe et al. Data deficient
Humidophila perpusilla (Grunow) R.L. Lowe et al. Least concern
Humidophila schmassmannii (Hust.) K.Buczkó & A.Wojtal Threatened to an unkown extent
Humidophila simplex (E. Reichardt) R.L. Lowe et al. Least concern
Humidophila virginiana (Lange-Bert.) R.L. Lowe et al. Rare
Hygropetra balfouriana (Grunow) Krammer & Lange-Bert. Threatened to an unkown extent
K
Karayevia amoena (Hust.) Bukht. Data deficient
Karayevia bottnica (Cleve) Lange-Bert. Data deficient
Karayevia carissima (Lange-Bert.) Bukht. Endangered
Karayevia clevei (Grunow) Bukht. var. clevei Least concern
Karayevia clevei var. rostellata (Hust.) Bukht. Data deficient
Karayevia kolbei (Hust.) Bukht. Least concern
Karayevia laterostrata (Hust.) Bukht. Vulnerable
Karayevia ploenensis (Hust.) Bukht. Least concern
Karayevia submarina (Hust.) Bukht. Rare
Karayevia suchlandtii (Hust.) Bukht. Rare
Kobayasiella jaagii (F. Meister) Lange-Bert. Endangered
Kobayasiella madumensis (E.G. Jørg.) Lange-Bert. Critically endangered
Kobayasiella micropunctata (H. Germ.) Lange-Bert. Data deficient
Kobayasiella okadae (Skvortsov) Lange-Bert. Critically endangered
Kobayasiella parasubtilissima (Kobayasi & Nagumo) Lange-Bert. Near threatened
Kobayasiella pseudostauron Lange-Bert. Threatened to an unkown extent
Kobayasiella subtilissima (Cleve) Lange-Bert. Endangered
Krasskella kriegerana (Krasske) R. Ross & P.A. Sims Endangered
L
Lacustriella gibbosa (Brun) Lange-Bert. & Kulkikovskiy Data deficient
Lacustriella lacustris (W. Greg.) Lange-Bert. & Kulikovskiy Least concern
Lemnicola hungarica (Grunow) Round & Basson Least concern
Luticola acidoclinata Lange-Bert. Threatened to an unkown extent
Luticola binodeformis Levkov et al. Rare
Luticola binodis (Hust.) Edlund Rare
Luticola charlatii (Perag.) Metzeltin & Lange-Bert. Least concern
Luticola cohnii (Hilse) D.G. Mann Near threatened
Luticola dismutica (Hust.) D.G. Mann Rare
Luticola frequentissima Levkov et al. Data deficient
Luticola goeppertiana (Bleisch) Rarick et al. Least concern
Luticola heufleriana (Grunow) D.G. Mann Near threatened
Luticola imbricata (W. Bock) Levkov et al. Data deficient
Luticola mutica (Kütz.) D.G. Mann Least concern
Luticola nivalis (Ehrenb.) D.G. Mann Least concern
Luticola nivaloides (W. Bock) Denys & W.H. De Smet Data deficient
Luticola paramutica (W. Bock) D.G. Mann Rare
Luticola pseudokotschyi (Lange-Bert.) Metzeltin & Lange-Bert. Rare
Luticola pseudonivalis (W. Bock) Levkov et al. Rare
Luticola quinquenodis (Grunow) Levkov et al. Data deficient
Luticola saprophila Levkov et al. Data deficient
Luticola saxophila (W. Bock) D.G. Mann Rare
Luticola undulata (Hilse) D.G. Mann Data deficient
Luticola ventriconfusa Lange-Bert. Data deficient
Luticola ventricosa (Kütz.) D.G. Mann Least concern
M
Mastogloia amphicephala Grunow Threatened to an unkown extent
Mastogloia baltica Grunow Least concern
Mastogloia braunii Grunow Least concern
Mastogloia dansei (Thwaites) W. Smith Least concern
Mastogloia elliptica C. Agardh Least concern
Mastogloia elliptica var. dansei sensu Krammer & Lange-Bert. non (Thwaites) Grunow Data deficient
Mastogloia grevillei W. Smith Threatened to an unkown extent
Mastogloia lacustris (Grunow) Van Heurck Threatened to an unkown extent
Mastogloia pumila (Grunow) Cleve Least concern
Mastogloia smithii Thwaites Least concern
Mayamaea agrestis (Hust.) Lange-Bert. Least concern
Mayamaea asellus (Weinhold) Lange-Bert. Rare
Mayamaea atomus (Kütz.) Lange-Bert. var. atomus Least concern
Mayamaea atomus var. alcimonica (E. Reichardt) E. Reichardt Data deficient
Mayamaea destricta (Hust.) Lange-Bert. Rare
Mayamaea excelsa (Krasske) Lange-Bert. Least concern
Mayamaea fossalis (Krasske) Lange-Bert. var. fossalis Least concern
Mayamaea fossalis var. obsidialis (Hust.) Lange-Bert. Rare
Mayamaea fossaloides (Hust.) Lange-Bert. Data deficient
Mayamaea ingenua (Hust.) Lange-Bert. & G. Hofm. Rare
Mayamaea lacunolaciniata (Lange-Bert. & Bonik) Lange-Bert. Data deficient
Mayamaea nolensoides (W. Bock) Lange-Bert. Rare
Mayamaea permitis (Hust.) K. Bruder & L.K. Medlin Least concern
Mayamaea recondita (Hust.) Lange-Bert. Rare
Mayamaea terrestris N. Abarca & R. Jahn Data deficient
Melosira dickiei (Thwaites) Kütz. Rare
Melosira lineata (Dillwyn) C. Agardh Least concern
Melosira moniliformis (O.F. Müll.) C. Agardh var. moniliformis Least concern
Melosira moniliformis var. octagona (Grunow) Hust. Least concern
Melosira nummuloides (Dillwyn) C. Agardh Least concern
Melosira varians C. Agardh Least concern
Meridion circulare (Grev.) C. Agardh var. circulare Least concern
Meridion circulare var. constrictum (Ralfs) Van Heurck Least concern
Microcostatus egregius (Hust.) Lange-Bert. Rare
Microcostatus krasskei (Hust.) J.R. Johans. & Sray Near threatened
Microcostatus kuelbsii (Lange-Bert.) Lange-Bert. Rare
Microcostatus maceria (Schim.) Lange-Bert. Vulnerable
Microcostatus naumannii (Hust.) Lange-Bert. Rare
Miosira arentii (Kolbe) Krammer Data deficient
Muelleria gibbula (Cleve) Spauld. & Stoermer Threatened to an unkown extent
Muelleria relicta (Mc Call) E. Reichardt Rare
N
Navicula abscondita Hust. Data deficient
Navicula absoluta Hust. Vulnerable
Navicula adversa Krasske Vulnerable
Navicula aleksandrae Lange-Bert. et al. Data deficient
Navicula ammophila Grunow Least concern
Navicula amphiceropsis Lange-Bert. & U. Rumrich Least concern
Navicula amphiceros Kütz. Data deficient
Navicula angusta Grunow Endangered
Navicula antonii Lange-Bert. Least concern
Navicula aquaedurae Lange-Bert. Least concern
Navicula arenaria Donkin var. arenaria Least concern
Navicula arenaria var. rostellata Lange-Bert. Least concern
Navicula arvensis Hust. Data deficient
Navicula associata Lange-Bert. Least concern
Navicula austrocollegarum Lange-Bert. & R. Voigt Rare
Navicula bacilloides Hust. Threatened to an unkown extent
Navicula bergenensis M.H. Hohn Rare
Navicula bottnica Grunow Least concern
Navicula bourellyivera Lange-Bert. et al. Data deficient
Navicula bozenae Lange-Bert. et al. Data deficient
Navicula brasiliana (Cleve) Cleve Rare
Navicula breitenbuchii Lange-Bert. Rare
Navicula brockmannii Hust. Endangered
Navicula broetzii Lange-Bert. & E. Reichardt Threatened to an unkown extent
Navicula cancellata Donkin Least concern
Navicula capitatoradiata H. Germ. Least concern
Navicula cari Ehrenb. Least concern
Navicula cariocincta Lange-Bert. Threatened to an unkown extent
Navicula catalanogermanica Lange-Bert. & G. Hofm. Rare
Navicula cataracta-rheni Lange-Bert. Threatened to an unkown extent
Navicula caterva M.H. Hohn & Hellerman Least concern
Navicula cincta (Ehrenb.) Ralfs Least concern
Navicula concentrica J.R. Carter Endangered
Navicula cryptocephala Kütz. Least concern
Navicula cryptofallax Lange-Bert. & G. Hofm. Least concern
Navicula cryptotenella Lange-Bert. Least concern
Navicula cryptotenelloides Lange-Bert. Least concern
Navicula dealpina Lange-Bert. Endangered
Navicula densilineolata (Lange-Bert.) Lange-Bert. Endangered
Navicula detenta Hust. Critically endangered
Navicula diabolica Geissler & Gerloff Critically endangered
Navicula difficillima Hust. Threatened to an unkown extent
Navicula difficillimoides Hust. Rare
Navicula digitoconvergens Lange-Bert. Least concern
Navicula digitoradiata (W. Greg.) Ralfs Least concern
Navicula digna Hust. Rare
Navicula domiciliensis E. Reichardt Data deficient
Navicula duerrenbergiana Hust. Data deficient
Navicula eidrigiana J.R. Carter Rare
Navicula erifuga Lange-Bert. Least concern
Navicula escambia (R.M. Patrick) Metzeltin & Lange-Bert. Least concern
Navicula exilis Kütz. Vulnerable
Navicula expecta VanLand. Rare
Navicula flanatica Grunow Least concern
Navicula fluens Hust. Rare
Navicula germainii J.H. Wallace Least concern
Navicula germanopolonica Witkowski & Lange-Bert. Least concern
Navicula glomus J.R. Carter & Bailey-Watts Rare
Navicula gottlandica Grunow Endangered
Navicula graciloides A. Mayer Data deficient
Navicula gregaria Donkin Least concern
Navicula hanseatica Lange-Bert. & Stachura subsp. hanseatica Least concern
Navicula hasta Pantocsek Not established
Navicula heimansioides Lange-Bert. Endangered
Navicula hintzii Lange-Bert. Rare
Navicula hofmanniae Lange-Bert. Least concern
Navicula integra (W. Smith) Ralfs Least concern
Navicula irmengardis Lange-Bert. Endangered
Navicula iserentantii Lange-Bert. & Witkowski Data deficient
Navicula jakovljevicii Hust. Least concern
Navicula jentzschii Grunow Threatened to an unkown extent
Navicula kefvingensis (Ehrenb.) Kütz. Least concern
Navicula koenigii C. Brockmann Data deficient
Navicula kotschyi Grunow var. kotschyi Least concern
Navicula kotschyi var. rostellata (Hust.) Lange-Bert. Data deficient
Navicula krammerae Lange-Bert. Data deficient
Navicula lacuum Lange-Bert. et al. Least concern
Navicula lanceolata (C. Agardh) Ehrenb. Least concern
Navicula lancettula Schum. Data deficient
Navicula laterostrata Hust. Least concern
Navicula laticeps Hust. Endangered
Navicula leistikowii Lange-Bert. Threatened to an unkown extent
Navicula leptostriata E.G. Jørg. Endangered
Navicula libonensis Schoeman Least concern
Navicula longicephala Hust. Rare
Navicula lucidula Grunow Data deficient
Navicula lundii E. Reichardt Least concern
Navicula margalithii Lange-Bert. Rare
Navicula mediocostata E. Reichardt Endangered
Navicula menisculus Schum. Least concern
Navicula meniscus Schum. Least concern
Navicula meulemansii A. Mert. et al. Least concern
Navicula microcari Lange-Bert. Data deficient
Navicula microdigitoradiata Lange-Bert. Rare
Navicula modica Hust. Data deficient
Navicula moenofranconica Lange-Bert. Vulnerable
Navicula mollis (W. Smith) Cleve Least concern
Navicula moskalii Metzeltin et al. Least concern
Navicula muraliformis Hust. Rare
Navicula mutica var. gibbosa Mc Call Data deficient
Navicula mutica var. gibbula Hust. Data deficient
Navicula mutica var. subundulata Grunow Data deficient
Navicula muticopsis Van Heurck Not established
Navicula namibica U. Rumrich & Lange-Bert. Data deficient
Navicula nolens Simonsen Data deficient
Navicula normaloides Cholnoky Least concern
Navicula notha J.H. Wallace Endangered
Navicula novaesiberica Lange-Bert. Least concern
Navicula oblonga Kütz. Threatened to an unkown extent
Navicula obsoleta Hust. Rare
Navicula oligotraphenta Lange-Bert. & G. Hofm. Threatened to an unkown extent
Navicula oppugnata Hust. Least concern
Navicula ordinaria Hust. Rare
Navicula paracari Lange-Bert., Dobosz & Bak Data deficient
Navicula parsura Hust. Rare
Navicula paul-schulzii Witkowski & Lange-Bert. Least concern
Navicula pavillardii Hust. Least concern
Navicula pellicola C. Brockmann Data deficient
Navicula peregrina auct. non (Ehrenb.) Kütz. Least concern
Navicula perminuta Grunow Least concern
Navicula phyllepta Kütz. Least concern
Navicula phylleptosoma Lange-Bert. Data deficient
Navicula pierre-comperei Lange-Bert. & G. Hofm. Rare
Navicula platystoma Ehrenb. Threatened to an unkown extent
Navicula praeterita Hust. Endangered
Navicula pseudoarvensis Hust. Rare
Navicula pseudolanceolata Lange-Bert. Endangered
Navicula pseudoventralis Hust. Least concern
Navicula radiosa Kütz. Least concern
Navicula recens (Lange-Bert.) Lange-Bert. Least concern
Navicula reichardtiana Lange-Bert. Least concern
Navicula reinhardtii Grunow Least concern
Navicula rhynchocephala Kütz. Least concern
Navicula rhynchotella Lange-Bert. Least concern
Navicula ricardae Lange-Bert. Rare
Navicula rostellata Kütz. Least concern
Navicula salinarum Grunow var. salinarum Least concern
Navicula salinarum var. minima Kolbe Least concern
Navicula salinarum var. rostrata (Hust.) Lange-Bert. Data deficient
Navicula salinicola Hust. Least concern
Navicula schadei Krasske Endangered
Navicula scutum (Schum.) Van Heurck Data deficient
Navicula seibigiana Lange-Bert. Least concern
Navicula semihyalina W. Bock Rare
Navicula sieminskiae Lange-Bert. & Witkowski Data deficient
Navicula simulata Manguin Least concern
Navicula slesvicensis Grunow Least concern
Navicula splendicula VanLand. Threatened to an unkown extent
Navicula stankovicii Hust. Threatened to an unkown extent
Navicula streckerae Lange-Bert. & Witkowski Least concern
Navicula striolata (Grunow) Lange-Bert. Threatened to an unkown extent
Navicula subalpina E. Reichardt Vulnerable
Navicula subconcentrica Lange-Bert. Rare
Navicula subocculta Hust. Rare
Navicula subrhynchocephala Hust. Rare
Navicula supergregaria Lange-Bert. & U. Rumrich Least concern
Navicula tenelloides Hust. Least concern
Navicula tridentula Krasske Threatened to an unkown extent
Navicula tripunctata (O.F. Müll.) Bory Least concern
Navicula trivialis Lange-Bert. Least concern
Navicula trophicatrix Lange-Bert. Least concern
Navicula umida W. Bock Data deficient
Navicula upsaliensis (Grunow) Perag. Least concern
Navicula vandamii Schoeman & R.E.M. Archibald var. vandamii Least concern
Navicula vandamii var. mertensiae Lange-Bert. Least concern
Navicula vaneei Lange-Bert. Least concern
Navicula venerabilis M.H. Hohn & Hellerman Endangered
Navicula veneta Kütz. Least concern
Navicula vilaplanii (Lange-Bert. & Sabater) Lange-Bert. & Sabater Least concern
Navicula viminoides subsp. cosmomarina Lange-Bert. et al. Data deficient
Navicula viridula (Kütz.) Ehrenb. Least concern
Navicula viridulacalcis Lange-Bert. Threatened to an unkown extent
Navicula vulpina Kütz. Vulnerable
Navicula wendlingii Lange-Bert. et al. Data deficient
Navicula wiesneri Lange-Bert. Least concern
Navicula wildii Lange-Bert. Endangered
Navicula witkowskii Lange-Bert. et al. Least concern
Navicula wygaschii Lange-Bert. Threatened to an unkown extent
Naviculadicta bremensiformis Lange-Bert. Threatened to an unkown extent
Naviculadicta cosmopolitana Lange-Bert. Least concern
Naviculadicta geisslerae (R. Jahn) R. Jahn Data deficient
Naviculadicta multiconfusa Lange-Bert. Rare
Naviculadicta obdurata (M.H. Hohn & Hellerman) Lange-Bert. & Metzeltin Data deficient
Naviculadicta pauxilla E. Reichardt Data deficient
Naviculadicta vaucheriae (J.B. Petersen) Lange-Bert. Data deficient
Naviculadicta vitabunda (Hust.) Lange-Bert. Threatened to an unkown extent
Navicymbula pusilla (Grunow) Krammer Least concern
Navigiolum canoris (M.H. Hohn & Hellerman) Lange-Bert. Data deficient
Navigiolum exiliforme (E. Reichardt) Lange-Bert. Rare
Navigiolum silesiacum Lange-Bert. & G. Hofm. Rare
Neidiomorpha binodiformis (Krammer) Cantonati et al. Threatened to an unkown extent
Neidiomorpha binodis (Ehrenb.) Cantonati et al. Near threatened
Neidiopsis levanderi (Hust.) Lange-Bert. & Metzeltin var. levanderi Endangered
Neidiopsis levanderi var. capitata (Krasske) Lange-Bert. Data deficient
Neidium affine (Ehrenb.) Pfitzer Near threatened
Neidium alpinum Hust. Endangered
Neidium ampliatum (Ehrenb.) Krammer Near threatened
Neidium bisulcatum (Lagerst.) Cleve var. bisulcatum Vulnerable
Neidium bisulcatum var. subampliatum Krammer Vulnerable
Neidium carteri Krammer Vulnerable
Neidium densestriatum (Østrup) Krammer Rare
Neidium dilatatum (Ehrenb.) Cleve Data deficient
Neidium distincte-punctatum Hust. Rare
Neidium dubium (Ehrenb.) Cleve Least concern
Neidium elongatum (Hust.) Lange-Bert. et al. Rare
Neidium hercynicum A. Mayer Threatened to an unkown extent
Neidium iridis (Ehrenb.) Cleve agg. Endangered
Neidium javanicum Hust. Rare
Neidium kozlowii Mereschk. var. kozlowii Threatened to an unkown extent
Neidium kozlowii var. ellipticum Mereschk. Rare
Neidium ladogense (Cleve) Foged Rare
Neidium longiceps (W. Greg.) R. Ross Threatened to an unkown extent
Neidium lucinense (Hust.) Metzeltin & Lange-Bert. Rare
Neidium minutissimum Krasske Rare
Neidium opulentum Hust. Threatened to an unkown extent
Neidium paraffine Lange-Bert. et al. Data deficient
Neidium perforatum Schim. Rare
Neidium productum (W. Smith) Cleve var. productum Threatened to an unkown extent
Neidium productum var. constrictum Hust. Data deficient
Neidium septentrionale Cleve-Euler Threatened to an unkown extent
Neidium vernale (Reichelt) Metzeltin & Lange-Bert. Data deficient
Nitzschia acicularioides Hust. Data deficient
Nitzschia acicularis (Kütz.) W. Smith var. acicularis Least concern
Nitzschia acicularis var. closterioides Grunow Data deficient
Nitzschia acidoclinata Lange-Bert. Near threatened
Nitzschia acula Hantzsch Least concern
Nitzschia acuminata (W. Smith) Grunow Least concern
Nitzschia adamata Hust. Least concern
Nitzschia aequorea Hust. Least concern
Nitzschia aerophila Hust. Least concern
Nitzschia aestuarii Hust. Data deficient
Nitzschia agnewii Cholnoky Data deficient
Nitzschia agnita Hust. Least concern
Nitzschia alicae Hlúbikova & Ector Data deficient
Nitzschia alpina Hust. Vulnerable
Nitzschia alpinobacillum Lange-Bert. Endangered
Nitzschia amphibia Grunow Least concern
Nitzschia amplectens Hust. Least concern
Nitzschia angustata (W. Smith) Grunow Least concern
Nitzschia angustatula Lange-Bert. Least concern
Nitzschia angustiforaminata Lange-Bert. Least concern
Nitzschia aniae Lange-Bert. Rare
Nitzschia archibaldii Lange-Bert. Least concern
Nitzschia arcuata W. Greg. ex Grev. Data deficient
Nitzschia aremonica R.E.M. Archibald Data deficient
Nitzschia aurariae Cholnoky Least concern
Nitzschia bacillariaeformis Hust. Data deficient
Nitzschia bavarica Hust. Vulnerable
Nitzschia behrei Hust. Least concern
Nitzschia bergii Cleve-Euler Data deficient
Nitzschia beyeri Lange-Bert. Data deficient
Nitzschia bilobata Grunow Least concern
Nitzschia bremensis Hust. Near threatened
Nitzschia brevissima Grunow Least concern
Nitzschia brunoi Lange-Bert. Least concern
Nitzschia bryophila (Hust.) Hust. Threatened to an unkown extent
Nitzschia bulnheimiana Rabenh. Least concern
Nitzschia calida Grunow Least concern
Nitzschia capitellata Hust. var. capitellata Least concern
Nitzschia circumsuta (Bailey) Grunow Least concern
Nitzschia clausii Hantzsch Least concern
Nitzschia closterium (Ehrenb.) W. Smith Least concern
Nitzschia coarctata Grunow agg. Least concern
Nitzschia communis Rabenh. Least concern
Nitzschia commutata Grunow Least concern
Nitzschia commutatoides Lange-Bert. Least concern
Nitzschia compressa (Bailey) C.S. Boyer var. compressa Least concern
Nitzschia compressa var. balatonis (Grunow) Lange-Bert. Rare
Nitzschia compressa var. elongata (Grunow) Lange-Bert. Rare
Nitzschia congolensis Hust. Data deficient
Nitzschia constricta (W. Greg.) Grunow Least concern
Nitzschia dealpina Lange-Bert. & G. Hofm. Vulnerable
Nitzschia debilis Arn. Least concern
Nitzschia denticula Grunow Near threatened
Nitzschia desertorum Hust. Least concern
Nitzschia dippelii Grunow Rare
Nitzschia disputata J.R. Carter Rare
Nitzschia dissipata (Kütz.) Grunow var. dissipata Least concern
Nitzschia dissipata var. media (Hantzsch) Grunow Near threatened
Nitzschia diversa Hust. Endangered
Nitzschia draveillensis M. Coste & Ricard Least concern
Nitzschia dubia W. Smith Least concern
Nitzschia dubiiformis Grunow Data deficient
Nitzschia eglei Lange-Bert. Rare
Nitzschia elegantula Grunow Least concern
Nitzschia elliptica Hust. Data deficient
Nitzschia epithemoides Grunow Least concern
Nitzschia eutinensis Lange-Bert. & Werum Rare
Nitzschia fasciculata Grunow Least concern
Nitzschia fibulafissa Lange-Bert. Endangered
Nitzschia filiformis (W. Smith) Van Heurck var. filiformis Least concern
Nitzschia filiformis var. conferta (O. Richt.) Lange-Bert. Least concern
Nitzschia flexa Schum. Least concern
Nitzschia flexoides Geitler Data deficient
Nitzschia fonticola Grunow Least concern
Nitzschia fossilis Grunow Least concern
Nitzschia frequens Hust. Least concern
Nitzschia frustulum (Kütz.) Grunow var. frustulum Least concern
Nitzschia frustulum var. inconspicua Grunow Least concern
Nitzschia frustulum var. subsalina Hust. Data deficient
Nitzschia fruticosa Hust. Least concern
Nitzschia garrensis Hust. Critically endangered
Nitzschia geitleri Hust. Rare
Nitzschia gessneri Hust. Endangered
Nitzschia gisela Lange-Bert. Endangered
Nitzschia graciliformis Lange-Bert. & Simonsen Least concern
Nitzschia gracilis Hantzsch Least concern
Nitzschia granulata Grunow Least concern
Nitzschia hadriatica Lange-Bert. Data deficient
Nitzschia hantzschiana Rabenh. Threatened to an unkown extent
Nitzschia harderi Hust. Rare
Nitzschia heufleriana Grunow Least concern
Nitzschia homburgiensis Lange-Bert. Threatened to an unkown extent
Nitzschia hungarica Grunow Least concern
Nitzschia hybrida Grunow Least concern
Nitzschia impressa Hust. Data deficient
Nitzschia improvisa Simonsen Data deficient
Nitzschia incognita Krasske Data deficient
Nitzschia incrustans Grunow Least concern
Nitzschia insignis W. Greg. Least concern
Nitzschia intermedia Hantzsch f. intermedia Least concern
Nitzschia intermedia f. actinastroides (Lemmerm.) Lange-Bert. Least concern
Nitzschia jucunda Hust. Endangered
Nitzschia kittlii Grunow Rare
Nitzschia kuetzingioides Hust. Data deficient
Nitzschia lacuum Lange-Bert. Threatened to an unkown extent
Nitzschia laevis Hust. Least concern
Nitzschia lanceola var. minutula Grunow Data deficient
Nitzschia lanceolata W. Smith f. lanceolata Least concern
Nitzschia lanceolata f. minima Grunow Data deficient
Nitzschia lanceolata var. minor Grunow Data deficient
Nitzschia langebertalotii M. Coste & Ricard Least concern
Nitzschia latens Hust. Data deficient
Nitzschia levidensis (W. Smith) Grunow var. levidensis Least concern
Nitzschia levidensis var. victoriae Grunow Least concern
Nitzschia liebetruthii Rabenh. agg. Least concern
Nitzschia linearis W. Smith Least concern
Nitzschia littoralis Grunow Least concern
Nitzschia littorea Grunow Least concern
Nitzschia lorenziana Grunow Least concern
Nitzschia macilenta W. Greg. ex Grev. Data deficient
Nitzschia manca Hust. Data deficient
Nitzschia marginulata Grunow Least concern
Nitzschia microcephala Grunow Least concern
Nitzschia modesta Hust. Least concern
Nitzschia monachorum Lange-Bert. Rare
Nitzschia nana Grunow Least concern
Nitzschia navicularis (Bréb.) Grunow Least concern
Nitzschia normannii Grunow Data deficient
Nitzschia obtusa W. Smith Least concern
Nitzschia oligotraphenta (Lange-Bert.) Lange-Bert. Threatened to an unkown extent
Nitzschia ovalis Arn. Least concern
Nitzschia palea (Kütz.) W. Smith var. palea Least concern
Nitzschia palea var. debilis (Kütz.) Grunow Least concern
Nitzschia palea var. tenuirostris sensu Lange-Bert. non Grunow Least concern
Nitzschia paleacea Grunow Least concern
Nitzschia paleaeformis Hust. Threatened to an unkown extent
Nitzschia palustris Hust. Threatened to an unkown extent
Nitzschia panduriformis W. Greg. Data deficient
Nitzschia pararostrata (Lange-Bert.) Lange-Bert. Least concern
Nitzschia peisonis Pant. Data deficient
Nitzschia pellucida Grunow Data deficient
Nitzschia perindistincta Cholnoky Least concern
Nitzschia perminuta (Grunow) Perag. Least concern
Nitzschia perspicua Cholnoky Data deficient
Nitzschia plana W. Smith Least concern
Nitzschia prolongata Hust. var. prolongata Rare
Nitzschia prolongata var. hoehnkii (Hust.) Lange-Bert. Rare
Nitzschia pseudocommunis Hust. Data deficient
Nitzschia pseudofonticola Hust. Threatened to an unkown extent
Nitzschia pumila Hust. Threatened to an unkown extent
Nitzschia pura Hust. Least concern
Nitzschia puriformis Hlúbiková & Ector Data deficient
Nitzschia pusilla Grunow Least concern
Nitzschia radicula Hust. Vulnerable
Nitzschia recta Hantzsch Least concern
Nitzschia rectiformis Hust. Threatened to an unkown extent
Nitzschia rectirobusta Lange-Bert. Near threatened
Nitzschia rectissima Hust. Data deficient
Nitzschia regula Hust. Endangered
Nitzschia reversa W. Smith Least concern
Nitzschia rhombicolancettula Lange-Bert. & Werum Data deficient
Nitzschia rosenstockii Lange-Bert. Data deficient
Nitzschia salinarum Grunow Least concern
Nitzschia scalaris (Ehrenb.) W. Smith Least concern
Nitzschia scalpelliformis Grunow Least concern
Nitzschia sigma (Kütz.) W. Smith Least concern
Nitzschia sigmaformis Hust. Least concern
Nitzschia sigmoidea (Nitzsch) W. Smith Least concern
Nitzschia sinuata (Thwaites) Grunow Data deficient
Nitzschia sociabilis Hust. Least concern
Nitzschia solgensis Cleve-Euler Least concern
Nitzschia solita Hust. Least concern
Nitzschia soratensis E. Morales & M.L. Vis Least concern
Nitzschia subacicularis Hust. Least concern
Nitzschia subcohaerens var. scotica (Grunow) Van Heurck Data deficient
Nitzschia subinvicta Hust. Data deficient
Nitzschia sublinearis Hust. Least concern
Nitzschia subtilis Grunow Least concern
Nitzschia suchlandtii Hust. Data deficient
Nitzschia supralitorea Lange-Bert. Least concern
Nitzschia tabellaria Grunow Data deficient
Nitzschia tenuis W. Smith Least concern
Nitzschia terrestris (J.B. Petersen) Hust. Least concern
Nitzschia thermaloides Hust. Least concern
Nitzschia tropica Hust. Data deficient
Nitzschia tryblionella Hantzsch Least concern
Nitzschia tubicola Grunow Least concern
Nitzschia umbonata (Ehrenb.) Lange-Bert. Least concern
Nitzschia valdecostata Lange-Bert. & Simonsen Rare
Nitzschia valdestriata Aleem & Hust. Least concern
Nitzschia vasta Hust. Rare
Nitzschia vermicularioides Lange-Bert. Data deficient
Nitzschia vermicularis (Kütz.) Hantzsch f. vermicularis Least concern
Nitzschia vermicularis f. angustior Grunow Data deficient
Nitzschia vexans (Grunow) Grunow Rare
Nitzschia vitrea G. Norman var. vitrea Least concern
Nitzschia vitrea var. salinarum Grunow Least concern
Nitzschia vixnegligenda Lange-Bert. & G. Hofm. Data deficient
Nitzschia vixpalea Lange-Bert. & Werum Data deficient
Nitzschia wuellerstorffii Lange-Bert. Least concern
Nupela gracillima (Hust.) Lange-Bert. Data deficient
Nupela imperfecta (Schim.) Lange-Bert. Threatened to an unkown extent
Nupela impexiformis (Lange-Bert.) Lange-Bert. Rare
Nupela jahniae-reginae Lange-Bert. & Metzeltin Data deficient
Nupela lapidosa (Krasske) Lange-Bert. Threatened to an unkown extent
Nupela rhetica (Wuthrich) Lange-Bert. Rare
Nupela silvahercynia (Lange-Bert.) Lange-Bert. Vulnerable
Nupela tenuicephala (Hust.) Lange-Bert. Vulnerable
Nupela vitiosa (Schim.) Lange-Bert. Threatened to an unkown extent
Nupela wellneri (Lange-Bert.) Lange-Bert. Data deficient
O
Odontella rhombus (Ehrenb.) Kütz. Data deficient
Oestrupia bicontracta (Østrup) Lange-Bert. & Krammer Near threatened
Oestrupia zachariasii (Reichelt) Hust. Vulnerable
Opephora gemmata (Grunow) Hust. Data deficient
Opephora guenter-grassii (Witkowski & Lange-Bert.) Sabbe & Vyverman Data deficient
Opephora mutabilis (Grunow) Sabbe & Vyverman Least concern
Opephora pacifica (Grunow) P. Petit Data deficient
Opephora schwartzii (Grunow) P. Petit Data deficient
Orthoseira circularis (Ehrenb.) R.M. Crawford Data deficient
Orthoseira dendrophila (Ehrenb.) R.M. Crawford Data deficient
Orthoseira dendroteres (Ehrenb.) R.M. Crawford Data deficient
Orthoseira roeseana (Rabenh.) O'Meara Data deficient
P
Paraplaconeis cracoviensis Lange-Bert. & Wojtal Rare
Paraplaconeis placentula (Ehrenb.) Kulikovskiy & Lange-Bert. Data deficient
Paraplaconeis subplacentula (Hust.) Kulikovskiy & Lange-Bert. Data deficient
Parlibellus crucicula (W. Smith) Witkowski et al. Least concern
Parlibellus cruciculoides (C. Brockmann) Witkowski et al. Data deficient
Parlibellus delognei (Van Heurck) E.J. Cox Least concern
Parlibellus plicatus (Donkin) E.J. Cox Least concern
Parlibellus protracta (Grunow) Witkowski et al. Least concern
Parlibellus protractoides (Hust.) Witkowski et al. Least concern
Pauliella taeniata (Grunow) Round & Basson Least concern
Peronia fibula (Bréb. ex Kütz.) R. Ross Endangered
Petroneis humerosa (Bréb.) Stickle & D.G. Mann Least concern
Petroneis latissima (W. Greg.) Stickle & D.G. Mann Data deficient
Pinnularia acidophila G. Hofm. & Krammer Least concern
Pinnularia acoricola Hust. Threatened to an unkown extent
Pinnularia acrosphaeria W. Smith Least concern
Pinnularia acuminata W. Smith Threatened to an unkown extent
Pinnularia acutobrebissonii Kulikovskiy et al. Data deficient
Pinnularia amabilis Krammer Data deficient
Pinnularia ammerensis Kulikovskiy et al. Data deficient
Pinnularia anglica Krammer Threatened to an unkown extent
Pinnularia angusta (Cleve) Krammer var. angusta Vulnerable
Pinnularia angusta var. rostrata Krammer Data deficient
Pinnularia appendiculata (C. Agardh) Cleve Least concern
Pinnularia bacilliformis Krammer Threatened to an unkown extent
Pinnularia bertrandii Krammer var. bertrandii Data deficient
Pinnularia bertrandii var. angustefasciata Krammer Rare
Pinnularia biceps W. Greg. var. biceps Data deficient
Pinnularia biceps var. gibberula (Hust.) Krammer Critically endangered
Pinnularia bleischii Krammer Rare
Pinnularia borealis Ehrenb. var. borealis Least concern
Pinnularia borealis var. lanceolata Hust. Data deficient
Pinnularia borealis var. scalaris (Ehrenb.) Rabenh. Rare
Pinnularia borealis var. sublinearis Krammer Data deficient
Pinnularia borealis var. tenuistriata Krammer Rare
Pinnularia bottnica Krammer Data deficient
Pinnularia brandeliformis Krammer Threatened to an unkown extent
Pinnularia brandelii Cleve Threatened to an unkown extent
Pinnularia brauniana (Grunow) Mills Threatened to an unkown extent
Pinnularia brebissonii (Kütz.) Rabenh. var. brebissonii Least concern
Pinnularia brebissonii var. lancarea Krammer Endangered
Pinnularia brevicostata Cleve Data deficient
Pinnularia cardinaliculus Cleve Rare
Pinnularia cardinalis (Ehrenb.) W. Smith Threatened to an unkown extent
Pinnularia carminata H.G. Barber & J.R. Carter Endangered
Pinnularia castraregina Krammer Data deficient
Pinnularia clevei var. angusta Krammer Endangered
Pinnularia cleveiformis var. cleveiformis Krammer Not established
Pinnularia cleveiformis var. ventricosa (Cleve-Euler) Krammer Data deficient
Pinnularia cruxarea Krammer Rare
Pinnularia cuneola E. Reichardt Threatened to an unkown extent
Pinnularia decrescens (Grunow) Krammer var. decrescens Data deficient
Pinnularia decrescens var. ignorata (Krammer) Krammer Data deficient
Pinnularia distinguenda var. obtusa (Cleve) Cleve Rare
Pinnularia divergens W. Smith var. divergens Near threatened
Pinnularia divergens var. sublineariformis Krammer Rare
Pinnularia divergentissima (Grunow) Cleve var. divergentissima Threatened to an unkown extent
Pinnularia divergentissima var. martinii (Krasske) Krammer Data deficient
Pinnularia doloma var. fasciata Krammer Threatened to an unkown extent
Pinnularia domestica E. Reichardt Data deficient
Pinnularia dubitabilis var. minor Krammer Threatened to an unkown extent
Pinnularia eifelana (Krammer) Krammer Threatened to an unkown extent
Pinnularia episcopalis Cleve Rare
Pinnularia esoxiformis Fusey var. esoxiformis Threatened to an unkown extent
Pinnularia esoxiformis var. angusta Krammer Data deficient
Pinnularia franconica (Krammer) Kulikovskiy et al. Threatened to an unkown extent
Pinnularia frauenbergiana E. Reichardt var. frauenbergiana Threatened to an unkown extent
Pinnularia frauenbergiana var. caloneiopsis Lange-Bert. & Werum Data deficient
Pinnularia frequentis Krammer Least concern
Pinnularia gentilis (Donkin) Cleve Threatened to an unkown extent
Pinnularia gibba Ehrenb. Data deficient
Pinnularia gibbiformis Krammer Vulnerable
Pinnularia gigas Ehrenb. Threatened to an unkown extent
Pinnularia globiceps W. Greg. var. globiceps Rare
Pinnularia globiceps var. linearis Krammer Data deficient
Pinnularia graciloides Hust. var. graciloides Data deficient
Pinnularia graciloides var. triundulata (Fontell) Krammer Threatened to an unkown extent
Pinnularia grunowii Krammer Least concern
Pinnularia halophila Krammer Rare
Pinnularia incognita Krasske Data deficient
Pinnularia inconstans A. Mayer Data deficient
Pinnularia inculpata Hust. Critically endangered
Pinnularia infirma Krammer Threatened to an unkown extent
Pinnularia intermedia (Lagerst.) Cleve Vulnerable
Pinnularia interruptiformis Krammer Data deficient
Pinnularia irrorata (Grunow) Hust. Threatened to an unkown extent
Pinnularia islandica Østrup Threatened to an unkown extent
Pinnularia isselana Krammer Data deficient
Pinnularia joculata (Manguin) Krammer Data deficient
Pinnularia karelica Cleve Threatened to an unkown extent
Pinnularia kittelii Krammer Data deficient
Pinnularia kneuckeri Hust. Rare
Pinnularia kuetzingii Krammer Data deficient
Pinnularia lagerstedtii (Cleve) Cleve-Euler Threatened to an unkown extent
Pinnularia lata (Bréb.) Rabenh. Vulnerable
Pinnularia latarea Krammer var. latarea Rare
Pinnularia latarea var. thermophila Krammer Data deficient
Pinnularia legumen Ehrenb. Threatened to an unkown extent
Pinnularia legumiformis Krammer Least concern
Pinnularia linearidivergens Kulikovskiy et al. Data deficient
Pinnularia lundii Hust. var. lundii Least concern
Pinnularia lundii var. linearis Krammer Rare
Pinnularia macilenta (Ehrenb.) Ehrenb. Threatened to an unkown extent
Pinnularia marchica I. Schönfelder Threatened to an unkown extent
Pinnularia mareifelana Krammer Threatened to an unkown extent
Pinnularia mayeri Krammer var. mayeri Threatened to an unkown extent
Pinnularia mayeri var. similis Krammer Data deficient
Pinnularia media (Krammer) Kulikovskiy et al. Threatened to an unkown extent
Pinnularia mediofranconica Kulikovskiy et al. Data deficient
Pinnularia mesogongyla Ehrenb. Data deficient
Pinnularia microstauron (Ehrenb.) Cleve var. microstauron Near threatened
Pinnularia microstauron var. nonfasciata Krammer Threatened to an unkown extent
Pinnularia microstauropsis Kulikovskiy et al. Threatened to an unkown extent
Pinnularia minutiformis Krammer Data deficient
Pinnularia moelleri Krammer Threatened to an unkown extent
Pinnularia nanomicrostauron Kulikovskiy et al. Threatened to an unkown extent
Pinnularia neglectiformis Krammer Threatened to an unkown extent
Pinnularia neomajor Krammer var. neomajor Threatened to an unkown extent
Pinnularia neomajor var. cuneata Krammer Threatened to an unkown extent
Pinnularia neomajor var. intermedia (Cleve) Krammer Data deficient
Pinnularia nobilis (Ehrenb.) Ehrenb. var. nobilis Critically endangered
Pinnularia nobilis var. regularis Krammer Threatened to an unkown extent
Pinnularia nodosa (Ehrenb.) W. Smith var. nodosa Threatened to an unkown extent
Pinnularia nodosa var. percapitata Krammer Threatened to an unkown extent
Pinnularia nodosa var. pseudogracillima A. Mayer Least concern
Pinnularia nodosa var. robusta (Foged) Krammer Rare
Pinnularia notabilis Krammer Threatened to an unkown extent
Pinnularia obscura Krasske Least concern
Pinnularia obscuriformis Krammer Threatened to an unkown extent
Pinnularia oriunda Krammer Threatened to an unkown extent
Pinnularia oriundiformis Krammer Threatened to an unkown extent
Pinnularia ovata Krammer Threatened to an unkown extent
Pinnularia palatina Lange-Bert. & Wolfg. Krüger Threatened to an unkown extent
Pinnularia parallela Brun Rare
Pinnularia parvulissima Krammer Data deficient
Pinnularia peracuminata Krammer Threatened to an unkown extent
Pinnularia peragalli Kulikovskiy et al. Data deficient
Pinnularia percuneata Krammer var. percuneata Threatened to an unkown extent
Pinnularia percuneata var. constricta Krammer Threatened to an unkown extent
Pinnularia perirrorata Krammer Least concern
Pinnularia perminor Kulikovskiy et al. Data deficient
Pinnularia perspicua Krammer Threatened to an unkown extent
Pinnularia persudetica var. silvatica Krammer Critically endangered
Pinnularia pertriundulata Kulikovskiy et al. Data deficient
Pinnularia pisciculus Ehrenb. Threatened to an unkown extent
Pinnularia platycephala (Ehrenb.) Cleve Threatened to an unkown extent
Pinnularia polyonca (Bréb.) W. Smith var. polyonca Threatened to an unkown extent
Pinnularia polyoncoides Kulikovskiy et al. Rare
Pinnularia problematica A. Mayer Threatened to an unkown extent
Pinnularia pseudogibba Krammer var. pseudogibba Threatened to an unkown extent
Pinnularia pseudogibba var. rostrata Krammer Threatened to an unkown extent
Pinnularia rabenhorstii (Grunow) Krammer var. rabenhorstii Threatened to an unkown extent
Pinnularia rathsbergiana Krammer Threatened to an unkown extent
Pinnularia reichardtii Krammer Threatened to an unkown extent
Pinnularia renata Krammer Vulnerable
Pinnularia renatiformis Krammer Critically endangered
Pinnularia rhenohassiaca Krammer & Lange-Bert. Threatened to an unkown extent
Pinnularia rhombarea Krammer var. rhombarea Threatened to an unkown extent
Pinnularia rhombarea var. biundulata (O. Müll.) Krammer Rare
Pinnularia rhombarea var. halophila Krammer Data deficient
Pinnularia rhombarea var. undulata Krammer Data deficient
Pinnularia rhombarea var. variarea Krammer Rare
Pinnularia rhomboelliptica Krammer var. rhomboelliptica Data deficient
Pinnularia rumrichae Krammer Threatened to an unkown extent
Pinnularia rupestris Hantzsch Threatened to an unkown extent
Pinnularia ruttneri var. lauenburgiana Hust. Critically endangered
Pinnularia saprophila Lange-Bert. et al. Data deficient
Pinnularia saprotolerans Lange-Bert. & Metzeltin Data deficient
Pinnularia schimanskii Krammer Threatened to an unkown extent
Pinnularia schoenfelderi Krammer Threatened to an unkown extent
Pinnularia schroederi (Hust.) Cholnoky Data deficient
Pinnularia schroeterae Krammer var. schroeterae Data deficient
Pinnularia schroeterae var. elliptica Krammer Threatened to an unkown extent
Pinnularia scotica Krammer Rare
Pinnularia silvatica J.B. Petersen Data deficient
Pinnularia similiformis Krammer Least concern
Pinnularia simonsenii Krammer Critically endangered
Pinnularia sinistra Krammer Least concern
Pinnularia socialis var. debesii (Hust.) Krammer Endangered
Pinnularia stidolphii Krammer Critically endangered
Pinnularia stomatophora (Grunow) Cleve var. stomatophora Threatened to an unkown extent
Pinnularia stomatophora var. erlangensis (A. Mayer) Krammer Threatened to an unkown extent
Pinnularia stomatophora var. irregularis Krammer Threatened to an unkown extent
Pinnularia streckerae Krammer Data deficient
Pinnularia streptoraphe Cleve Rare
Pinnularia subanglica Krammer Data deficient
Pinnularia subcapitata W. Greg. var. subcapitata Least concern
Pinnularia subcapitata var. elongata Krammer Least concern
Pinnularia subcapitata var. subrostrata Krammer Data deficient
Pinnularia subcommutata Krammer var. subcommutata Threatened to an unkown extent
Pinnularia subcommutata var. nonfasciata Krammer Threatened to an unkown extent
Pinnularia subdivergens Krammer Threatened to an unkown extent
Pinnularia subfalaiseana Krammer Endangered
Pinnularia subgibba Krammer var. subgibba Least concern
Pinnularia subgibba var. hustedtii Krammer Data deficient
Pinnularia subgibba var. undulata Krammer Threatened to an unkown extent
Pinnularia submicrostauron S. Schroeter Data deficient
Pinnularia subrabenhorstii Krammer Least concern
Pinnularia subrhombica Krammer var. subrhombica Critically endangered
Pinnularia subrhombica var. angusta Krammer Critically endangered
Pinnularia subrostrata (A. Cleve) Cleve-Euler Rare
Pinnularia subrupestris Krammer var. subrupestris Threatened to an unkown extent
Pinnularia subrupestris var. cruciata Krammer Threatened to an unkown extent
Pinnularia substreptoraphe Krammer Rare
Pinnularia subundulata Østrup Rare
Pinnularia suchlandtii Hust. Threatened to an unkown extent
Pinnularia sudetica (Hilse) Hilse var. sudetica Data deficient
Pinnularia sudetica var. brittanica (Grunow) Krammer Data deficient
Pinnularia tirolensis (Krammer & Metzeltin) Krammer Threatened to an unkown extent
Pinnularia transversa (A.W.F. Schmidt) A. Mayer Threatened to an unkown extent
Pinnularia tumidula (Krammer) Kulikovskiy et al. Threatened to an unkown extent
Pinnularia turbulenta (Cleve-Euler) Krammer Threatened to an unkown extent
Pinnularia undula (Schum.) Krammer var. undula Threatened to an unkown extent
Pinnularia undula var. cuneata (Hust.) Krammer Threatened to an unkown extent
Pinnularia undulatodivergens Kulikovskiy et al. Data deficient
Pinnularia viridiformis Krammer var. viridiformis Threatened to an unkown extent
Pinnularia viridiformis var. minor Krammer Data deficient
Pinnularia viridis (Nitzsch) Ehrenb. agg. Data deficient
Pinnularia viridoides Krammer Data deficient
Pinnularia woerthensis (A. Mayer) Krammer Threatened to an unkown extent
Pinnunavis elegans (W. Smith) Okuno Least concern
Pinnunavis genustriata (Hust.) Lange-Bert. & Krammer Data deficient
Placoneis abiskoensis (Hust.) Lange-Bert. & Metzeltin Rare
Placoneis amphibola (Cleve) E.J. Cox Vulnerable
Placoneis anglica (Ralfs) E.J. Cox Data deficient
Placoneis clementioides (Hust.) E.J. Cox Least concern
Placoneis clementispronina Lange-Bert. & Wojtal Least concern
Placoneis constans (Hust.) E.J. Cox Rare
Placoneis elginensis (W. Greg.) E.J. Cox Data deficient
Placoneis explanata (Hust.) Mayama Rare
Placoneis gastrum (Ehrenb.) Mereschk. Least concern
Placoneis hambergii (Hust.) Least concern
Placoneis ignorata (Schim.) Lange-Bert. Least concern
Placoneis minor (Grunow) Lange-Bert. Data deficient
Placoneis nanoclementis Lange-Bert. & Wojtal Least concern
Placoneis navicularis (Ehrenb.) E.J. Cox Critically endangered
Placoneis neoexigua Lange-Bert. & Miho Data deficient
Placoneis opportuna (Hust.) Lange-Bert. Endangered
Placoneis paraelginensis Lange-Bert. Data deficient
Placoneis parvapolonica Lange-Bert. & Wojtal Data deficient
Placoneis porifera (Hust.) E.J. Cox Least concern
Placoneis pseudanglica (Lange-Bert.) E.J. Cox var. pseudanglica Least concern
Placoneis pseudanglica var. signata (Hust.) Lange-Bert. Data deficient
Placoneis rhombica (C. Brockmann) Lange-Bert. Rare
Placoneis rostrata (A. Mayer) E.J. Cox Threatened to an unkown extent
Placoneis signata (Hust.) Mayama Data deficient
Placoneis significans Lange-Bert. Data deficient
Placoneis symmetrica (Hust.) Lange-Bert. Rare
Placoneis undulata (Østrup) Lange-Bert. Least concern
Plagiogramma staurophorum (W. Greg.) Heib. Least concern
Plagiogrammopsis vanheurckii (Grunow) Hasle et al. Least concern
Planothidium biporomum (M.H. Hohn & Hellerman) Lange-Bert. Data deficient
Planothidium daui (Foged) Lange-Bert. Data deficient
Planothidium delicatulum (Kütz.) Round & Bukht. Least concern
Planothidium dispar (Cleve) Lange-Bert. Threatened to an unkown extent
Planothidium distinctum (Messik.) Lange-Bert. Vulnerable
Planothidium dubium (Grunow) Round & Bukht. Least concern
Planothidium engelbrechtii (Cholnoky) Round & Bukht. Least concern
Planothidium frequentissimum (Lange-Bert.) Lange-Bert. var. frequentissimum Least concern
Planothidium frequentissimum var. magnum (F. Straub) Lange-Bert. Data deficient
Planothidium frequentissimum var. minus (F. Straub) Lange-Bert. Data deficient
Planothidium granum (M.H. Hohn & Hellerman) Lange-Bert. Least concern
Planothidium hauckianum (Grunow) Round & Bukht. Threatened to an unkown extent
Planothidium haynaldii (Schaarschm.) Lange-Bert. Data deficient
Planothidium incuriatum C.E. Wetzel et al. Data deficient
Planothidium joursacense (Hérib.) Lange-Bert. Vulnerable
Planothidium lanceolatum (Bréb. ex Kütz.) Lange-Bert. Least concern
Planothidium linkei (Hust.) Lange-Bert. Least concern
Planothidium minutissimum (Krasske) Lange-Bert. Data deficient
Planothidium pericavum (J.R. Carter) Lange-Bert. Data deficient
Planothidium polaris (Østrup) Witkowski et al. Data deficient
Planothidium pseudotanense (Cleve-Euler) Lange-Bert. Least concern
Planothidium pumilum Bąk & Lange-Bert. Data deficient
Planothidium reichardtii Lange-Bert. & Werum Data deficient
Planothidium robustum (Hust.) Lange-Bert. Data deficient
Planothidium rostratoholarcticum Lange-Bert. & Bąk Least concern
Planothidium septentrionale (Østrup) Round & Bukht. Data deficient
Planothidium sopotense Lange-Bert. & Dziengo Data deficient
Planothidium vanheurckii (Grunow in Van Heurck) E.W.Thomas et al. Data deficient
Planothidium victori Novis et al. Data deficient
Planothidium werumianum Lange-Bert. & Bąk Data deficient
Platessa bavarica Lange-Bert. & G. Hofm. Threatened to an unkown extent
Platessa conspicua (A. Mayer) Lange-Bert. Least concern
Platessa holsatica (Hust.) Lange-Bert. Least concern
Platessa hustedtii (Krasske) Lange-Bert. Least concern
Platessa montana (Krasske) Lange-Bert. Vulnerable
Platessa oblongella (Østrup) C.E. Wetzel et al. Least concern
Platessa rupestris (Krasske) Lange-Bert. Critically endangered
Platessa saxonica (Krasske) C.E. Wetzel et al. Data deficient
Platessa ziegleri (Lange-Bert.) Lange-Bert. Vulnerable
Pleurosigma angulatum E.J. Quekett Least concern
Pleurosigma elongatum W. Smith Least concern
Pleurosigma salinarum Grunow Least concern
Pleurosira laevis (Ehrenb.) Compère Least concern
Prestauroneis blazenciciae Metzeltin & Lange-Bert. Rare
Proschkinia bulnheimii (Grunow) Karaeva var. bulnheimii Least concern
Proschkinia bulnheimii var. belgica (Grunow) Witkowski et al. Data deficient
Proschkinia complanata (Grunow) D.G. Mann Least concern
Proschkinia complanatoides (Hust. ex Simonsen) D.G. Mann Data deficient
Proschkinia complanatula (Hust. ex Simonsen) D.G. Mann Data deficient
Psammothidium acidoclinatum (Lange-Bert.) Lange-Bert. Least concern
Psammothidium altaicum (V.S. Poretzky) Bukht. & Round Endangered
Psammothidium bioretii (H. Germ.) Bukht. & Round Least concern
Psammothidium bristolicum Bukht. & Round Data deficient
Psammothidium chlidanos (M.H. Hohn & Hellerman) Lange-Bert. Vulnerable
Psammothidium daonense (Lange-Bert.) Lange-Bert. Threatened to an unkown extent
Psammothidium didymum (Hust.) Bukht. & Round Endangered
Psammothidium grischunum (Wuthrich) Bukht. & Round Near threatened
Psammothidium helveticum (Hust.) Bukht. & Round Least concern
Psammothidium kryophilum (J.B. Petersen) E. Reichardt Endangered
Psammothidium kuelbsii (Lange-Bert.) Bukht. & Round Critically endangered
Psammothidium lacus-vulcani (Lange-Bert. & Krammer) Bukht. & Round Critically endangered
Psammothidium levanderi (Hust.) Czarn. Endangered
Psammothidium marginulatum (Grunow) Bukht. & Round Data deficient
Psammothidium microscopicum (Cholnoky) Lange-Bert. Data deficient
Psammothidium perpusillum (Østrup) Lange-Bert. Vulnerable
Psammothidium pseudopunctulatum (Simonsen) Bukht. & Round Least concern
Psammothidium punctulatum (Simonsen) Bukht. & Round Least concern
Psammothidium rechtense (L. Leclercq) Lange-Bert. Endangered
Psammothidium rossii (Hust.) Bukht. & Round Endangered
Psammothidium scoticum (Flower) Bukht. & Round Endangered
Psammothidium strenzkei (Hust.) Bukht. & Round Data deficient
Psammothidium subatomoides (Hust.) Bukht. & Round Near threatened
Psammothidium ventrale (Krasske) Bukht. & Round Endangered
Pseudofallacia monoculata (Hust.) Y. Liu et al. Least concern
Pseudofallacia occulta (Krasske) Y. Liu et al. Rare
Pseudofallacia tenera (Hust.) Y. Liu et al. Least concern
Pseudostaurosira brevistriata (Grunow) D.M. Williams & Round Least concern
Pseudostaurosira parasitica (W. Smith) E. Morales var. parasitica Least concern
Pseudostaurosira parasitica var. subconstricta (Grunow) E. Morales Least concern
Pseudostaurosira perminuta (Grunow) Sabbe & Vyverman Least concern
Pseudostaurosira robusta (Fusey) D.M. Williams & Round Threatened to an unkown extent
Pulchella minutissima E. Reichardt Rare
Pulchella obsita (Hust.) Lange-Bert. Rare
R
Reimeria sinuata (W. Greg.) Kociolek & Stoermer var. sinuata Least concern
Reimeria sinuata var. ovata (Hust.) Metzeltin & Lange-Bert. Threatened to an unkown extent
Reimeria uniseriata S.E. Sala, J.M. Guerrero & Ferrario Least concern
Rhabdonema minutum Kütz. Least concern
Rhaphoneis amphiceros (Ehrenb.) Ehrenb. Least concern
Rhizosolenia eriensis H. L. Smith var. eriensis Data deficient
Rhizosolenia eriensis var. morsa W. West & G.S. West Data deficient
Rhizosolenia longiseta O. Zacharias Least concern
Rhoicosphenia abbreviata (C. Agardh) Lange-Bert. Least concern
Rhoicosphenia marina (W. Smith) M. Schmidt Data deficient
Rhopalodia acuminata Krammer Least concern
Rhopalodia brebissonii Krammer Least concern
Rhopalodia constricta (W. Smith) Krammer Least concern
Rhopalodia gibba (Ehrenb.) O. Müll. Least concern
Rhopalodia gibberula (Ehrenb.) O. Müll. Data deficient
Rhopalodia musculus (Kütz.) O. Müll. Least concern
Rhopalodia operculata (C. Agardh) Håk. Least concern
Rhopalodia parallela (Grunow) O. Müll. Threatened to an unkown extent
Rhopalodia rupestris (W. Smith) Krammer Least concern
S
Scoliopleura peisonis Grunow Data deficient
Scoliotropis latestriata (Bréb. ex Kütz.) Cleve Least concern
Sellaphora americana (Ehrenb.) D.G. Mann Rare
Sellaphora auldreekie D.G. Mann & Mc Donald Data deficient
Sellaphora bacillum (Ehrenb.) D.G. Mann Least concern
Sellaphora blackfordensis D.G. Mann & S. Droop Data deficient
Sellaphora capitata D.G. Mann & Mc Donald Data deficient
Sellaphora densistriata (Lange-Bert. & Metzeltin) Lange-Bert. & Metzeltin Rare
Sellaphora disjuncta (Hust.) D.G. Mann Endangered
Sellaphora fusticulus (Østrup) Lange-Bert. Data deficient
Sellaphora gregoryana (Cleve & Grunow) Metzeltin & Lange-Bert. Rare
Sellaphora harderi (Hust.) Foets & C.E. Wetzel Rare
Sellaphora hustedtii (Krasske) Lange-Bert. & Werum Threatened to an unkown extent
Sellaphora joubaudii (H. Germ.) Aboal Least concern
Sellaphora laevissima (Kütz.) D.G. Mann var. laevissima Least concern
Sellaphora lanceolata D.G. Mann & S. Droop Data deficient
Sellaphora lange-bertalotii Metzeltin Vulnerable
Sellaphora mutata (Krasske) Lange-Bert. Threatened to an unkown extent
Sellaphora mutatoides Lange-Bert. & Metzeltin Threatened to an unkown extent
Sellaphora nana (Hust.) Lange-Bert. et al. Threatened to an unkown extent
Sellaphora obesa D.G. Mann & M.M. Bayer Data deficient
Sellaphora parapupula Lange-Bert. Least concern
Sellaphora perhibita (Hust.) Lange-Bert. & Cantonati Threatened to an unkown extent
Sellaphora pseudobacillum (Grunow) Lange-Bert. & Metzeltin Data deficient
Sellaphora pseudopupula (Krasske) Lange-Bert. Threatened to an unkown extent
Sellaphora pupula (Kütz.) Mereschk. var. pupula Data deficient
Sellaphora rectangularis (W. Greg.) Lange-Bert. & Metzeltin Least concern
Sellaphora saprotolerans Lange-Bert. et al. Threatened to an unkown extent
Sellaphora seminulum (Grunow) D.G. Mann Least concern
Sellaphora stauroneioides (Lange-Bert.) Lange-Bert. et al. Threatened to an unkown extent
Sellaphora stroemii (Hust.) D.G. Mann Endangered
Sellaphora subseminulum (Hust.) C.E. Wetzel Data deficient
Sellaphora ventraloconfusa (Lange-Bert.) Lange-Bert. Endangered
Sellaphora ventraloides (Hust.) Falasco & Ector Data deficient
Sellaphora verecundiae Lange-Bert. Least concern
Sieminskia wohlenbergii (C. Brockmann) Metzeltin & Lange-Bert. Data deficient
Sieminskia zeta (Cleve) Metzeltin & Lange-Bert. Data deficient
Simonsenia delognei (Grunow) Lange-Bert. Least concern
Skabitschewskia aperta (J.R. Carter) Kulikovskiy & Lange-Bert. Data deficient
Skabitschewskia oestrupii (Cleve-Euler) Kulikovskiy & Lange-Bert. Near threatened
Skabitschewskia peragalli (Brun & Hérib.) Kulikovskiy & Lange-Bert. Vulnerable
Skabitschewskia pungens (Cleve-Euler) Kulikovskiy & Lange-Bert. Data deficient
Skeletonema potamos (C.I. Weber) Hasle Least concern
Skeletonema subsalsum (Cleve-Euler) Bethge Least concern
Stauroforma exiguiformis (Lange-Bert.) Flower et al. Vulnerable
Stauroneis acidobionta Lange-Bert. & Wydrzycka Threatened to an unkown extent
Stauroneis acidoclinata Lange-Bert. & Werum Data deficient
Stauroneis acuta W. Smith Vulnerable
Stauroneis aerophila J.B. Petersen Data deficient
Stauroneis agrestis J.B. Petersen Rare
Stauroneis alpina Hust. Rare
Stauroneis amphicephala Kütz. Data deficient
Stauroneis anceps Ehrenb. var. anceps Near threatened
Stauroneis balatonis Pant. Data deficient
Stauroneis borrichii (J.B. Petersen) J.W.G. Lund Least concern
Stauroneis brevis (Dippel) Metzeltin & Lange-Bert. Data deficient
Stauroneis dilatata Ehrenb. Data deficient
Stauroneis fridericiana Lange-Bert. Threatened to an unkown extent
Stauroneis gracilior E. Reichardt Threatened to an unkown extent
Stauroneis gracilis Ehrenb. Near threatened
Stauroneis hyperborea Lange-Bert. & Krammer Data deficient
Stauroneis javanica (Grunow) Cleve f. javanica Endangered
Stauroneis kriegeri R.M. Patrick Least concern
Stauroneis kuelbsii Lange-Bert. Threatened to an unkown extent
Stauroneis laterostrata Hust. Data deficient
Stauroneis lauenburgiana Hust. Threatened to an unkown extent
Stauroneis leguminiformis Lange-Bert. & Krammer Near threatened
Stauroneis leguminopsis Lange-Bert. & Krammer Data deficient
Stauroneis lundii Hust. Threatened to an unkown extent
Stauroneis microbtusa E. Reichardt Data deficient
Stauroneis muriella J.W.G. Lund Rare
Stauroneis neohyalina Lange-Bert. & Krammer Endangered
Stauroneis nobilis Schum. Rare
Stauroneis obtusa Lagerst. Least concern
Stauroneis parathermicola Lange-Bert. Least concern
Stauroneis parvulissima Krammer & Lange-Bert. Threatened to an unkown extent
Stauroneis phoenicenteron (Nitzsch) Ehrenb. Near threatened
Stauroneis producta Grunow Near threatened
Stauroneis prominula (Grunow) Hust. Rare
Stauroneis pseudagrestis Lange-Bert. & Werum Data deficient
Stauroneis reichardtii Lange-Bert. et al. Data deficient
Stauroneis sagitta Cleve Threatened to an unkown extent
Stauroneis salina W. Smith Least concern
Stauroneis schimanskii Krammer Threatened to an unkown extent
Stauroneis schmidiae R. Jahn & N. Abarca Data deficient
Stauroneis separanda Lange-Bert. & Werum Near threatened
Stauroneis siberica (Grunow) Lange-Bert. & Krammer Threatened to an unkown extent
Stauroneis silvahassiaca Lange-Bert. & Werum Data deficient
Stauroneis smithii Grunow var. smithii Least concern
Stauroneis smithii var. elliptica Hust. Rare
Stauroneis subgracilis Lange-Bert. & Krammer Data deficient
Stauroneis tackei (Hust.) Krammer & Lange-Bert. Threatened to an unkown extent
Stauroneis thermicola (J.B. Petersen) J.W.G. Lund Least concern
Stauroneis undata Hust. Threatened to an unkown extent
Stauronella indubitabilis Lange-Bert. & Genkal Least concern
Staurosira aventralis Lange-Bert. & U. Rumrich Data deficient
Staurosira binodis (Ehrenb.) Lange-Bert. Least concern
Staurosira construens Ehrenb. Least concern
Staurosira microstriata (Marciniak) Lange-Bert. Data deficient
Staurosira mutabilis (W. Smith) Pfitzer Data deficient
Staurosira venter (Ehrenb.) Hust. Least concern
Stenopterobia curvula (W. Smith) Krammer Endangered
Stenopterobia delicatissima (F.W. Lewis) Bréb. Endangered
Stenopterobia densestriata (Hust.) Krammer Endangered
Stephanocostis chantaica Genkal & A. Kuzmina Data deficient
Stephanodiscus alpinus Hust. Least concern
Stephanodiscus atmosphaericus (Ehrenb.) Håk. & Locker Not established
Stephanodiscus berolinensis Ehrenb. Not established
Stephanodiscus binderanus (Kütz.) Willi Krieg. Data deficient
Stephanodiscus hantzschii Grunow Least concern
Stephanodiscus irregularis Druart et al. Not established
Stephanodiscus medius Håk. Not established
Stephanodiscus minor Reverdin Not established
Stephanodiscus minutulus (Kütz.) Grunow Least concern
Stephanodiscus neoastraea Håk. & B. Hickel Least concern
Stephanodiscus parvus Stoermer & Håk. Least concern
Stephanodiscus roundii Klee & Houk Data deficient
Stephanodiscus subtilis Van Goor Not established
Stephanodiscus tenuis Hust. Data deficient
Surirella amphioxys W. Smith Least concern
Surirella angusta Kütz. Least concern
Surirella barrowcliffia Donkin Vulnerable
Surirella bifrons Ehrenb. Vulnerable
Surirella birostrata Hust. Rare
Surirella biseriata Bréb. Least concern
Surirella bohemica G.W. Maly Rare
Surirella brebissonii Krammer & Lange-Bert. var. brebissonii Least concern
Surirella brebissonii var. kuetzingii Krammer & Lange-Bert. Least concern
Surirella brebissonii var. punctata Krammer Data deficient
Surirella brightwellii W. Smith var. brightwellii Least concern
Surirella brightwellii var. baltica (Schum.) Krammer Least concern
Surirella capronii Bréb. Threatened to an unkown extent
Surirella constricta W. Smith Least concern
Surirella crumena Bréb. Least concern
Surirella didyma Kütz. Rare
Surirella elegans Ehrenb. Threatened to an unkown extent
Surirella gemma Ehrenb. Least concern
Surirella gracilis Grunow Rare
Surirella grunowii Kulikovskiy et al. Data deficient
Surirella helvetica Brun Threatened to an unkown extent
Surirella lacrimula J.D. English Data deficient
Surirella lapponica A. Cleve Data deficient
Surirella linearis W. Smith Least concern
Surirella margilacola Lange-Bert. & Werum Threatened to an unkown extent
Surirella minuta Bréb. Least concern
Surirella neglecta E. Reichardt Data deficient
Surirella ovalis Bréb. Least concern
Surirella patella Kütz. Rare
Surirella pinnata W. Smith Data deficient
Surirella roba L. Leclercq Threatened to an unkown extent
Surirella robusta Ehrenb. Vulnerable
Surirella spiralis Kütz. Near threatened
Surirella splendida (Ehrenb.) Kütz. Near threatened
Surirella striatula Turpin Least concern
Surirella subsalsa W. Smith Least concern
Surirella suecica Grunow Data deficient
Surirella tenera W. Greg. Near threatened
Surirella tenuis A. Mayer Rare
Surirella terricola Lange-Bert. & Alles Data deficient
Surirella turgida W. Smith Endangered
Surirella visurgis Hust. Least concern
Synedra gaillonii (Bory) Ehrenb. Least concern
T
Tabellaria binalis (Ehrenb.) Grunow var. binalis Endangered
Tabellaria binalis var. elliptica Flower Endangered
Tabellaria fenestrata (Lyngb.) Kütz. Near threatened
Tabellaria flocculosa (Roth) Kütz. var. flocculosa Least concern
Tabellaria flocculosa var. ambigua Brügger Data deficient
Tabellaria flocculosa var. asterionelloides (Grunow) B.M. Knudson Data deficient
Tabellaria flocculosa var. geniculata (A. Cleve) B.M. Knudson Rare
Tabellaria flocculosa var. intermedia (Grunow) B.M. Knudson Data deficient
Tabellaria flocculosa var. linearis J.D. Koppen Data deficient
Tabellaria flocculosa var. pelagica Holmboe Data deficient
Tabellaria flocculosa var. teilingii B.M. Knudson Data deficient
Tabellaria quadriseptata B.M. Knudson Endangered
Tabellaria ventricosa Kütz. Vulnerable
Tabularia fasciculata (C. Agardh) D.M. Williams & Round Least concern
Tabularia investiens (W. Smith) D.M. Williams & Round Least concern
Tabularia parva (Kütz.) D.M. Williams & Round Data deficient
Tabularia tabulata (C. Agardh) Snoeijs Least concern
Tetracyclus emarginatus (Ehrenb.) W. Smith Critically endangered
Tetracyclus glans (Ehrenb.) Mills Critically endangered
Tetracyclus rupestris (A. Braun) Grunow Threatened to an unkown extent
Thalassiocyclus lucens Håk. & Mahood Data deficient
Thalassiosira baltica (Grunow) Ostenf. Least concern
Thalassiosira gessneri Hust. Data deficient
Thalassiosira lacustris (Grunow) Hasle Least concern
Thalassiosira proschkinae I.V. Makarova Least concern
Thalassiosira pseudonana Hasle & Heimdal Least concern
Thalassiosira visurgis Hust. Rare
U
Ulnaria acus (Kütz.) Aboal Least concern
Ulnaria capitata (Ehrenb.) Compère Least concern
Ulnaria danica (Kütz.) Compère & Bukht. Data deficient
Ulnaria delicatissima (W. Smith) Aboal & P.C. Silva Data deficient
Ulnaria lanceolata (Kütz.) Compère Data deficient
Ulnaria ulna (Nitzsch) Compère Data deficient
Ulnaria ulna-Komplex (Nitzsch) Compère sensu lato Least concern
Ulnaria vitrea (Kütz.) E. Reichardt Data deficient