TaxonCodeEffectif
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 36
Amphora pediculus (Kützing) Grunow APED 35
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 27
Staurosira venter (Ehr.) Cleve & Moeller SSVE 26
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 25
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 20
Sellaphora nigri SNIG 17
Gomphonema pumilum var. rigidum Reichardt & Lange-Bertalot GPRI 14
Nitzschia costei Tudesque, Rimet & Ector NYCO 14
Planothidium lanceolatum(Brebisson ex Kützing) Lange-Bertalot PTLA 13
Staurosirella ovata Morales STOV 11
Planothidium rostratoholarcticum PROH 9
Navicula tripunctata (O.F.Müller) Bory NTPT 8
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 7
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 7
Nitzschia paleacea (Grunow) Grunow in van Heurck NPAE 7
Gomphonema cuneolus E. Reichardt GCUN 6
Hippodonta costulata (Grunow)Lange-Bertalot Metzeltin & Witkowski HCOS 6
Sellaphora subrotundata SSRT 6
Cocconeis placentula Ehrenberg var.lineata (Ehr.)Van Heurck CPLI 5
Diadesmis biceps Arnott DBIC 5
Nitzschia inconspicua Grunow NINC 5
Nitzschia palea (Kützing) W.Smith var. palea NPAL 5
Discostella pseudostelligera DPSG 4
Navicula cryptocephala Kützing NCRY 4
Nitzschia fonticola Grunow in Van Heurck NFON 4
Nitzschia archibaldii Lange-Bertalot NIAR 4
Nitzschia subacicularis Hustedt in A.Schmidt et al. NSUA 4
Planothidium pumilum PLPM 4
Platessa conspicua (A.Mayer) Lange-Bertalot PTCO 4
Aulacoseira granulata (Ehr.) Simonsen var.angustissima (O.M.)Simonsen AUGA 3
Caloneis lancettula (Schulz) Lange-Bertalot & Witkowski CLCT 3
Cocconeis placentula Ehrenberg var. placentula CPLA 3
Sellaphora saugerresii SSGE 3
Achnanthidium subhudsonis (Hustedt) H. Kobayasi ADSH 2
Adlafia lange-bertalotii Monnier et Ector ALBL 2
Amphora indistincta Levkov AMID 2
Fragilaria pararumpens Lange-Bertalot, Hofmann & Werum in Hofmann & al. FPRU 2
Geissleria acceptata (Hust.) Lange-Bertalot & Metzeltin GACC 2
GOMPHONEMA C.G. Ehrenberg GOMP 2
Gyrosigma sciotense (Sullivan et Wormley) Cleve GSCI 2
Navicula cryptotenella Lange-Bertalot NCTE 2
Navicula germainii Wallace NGER 2
Navicula tenelloides Hustedt NTEN 2
Platessa bahlsii Potapova PBAH 2
Planothidium incuriatum C.E. Wetzel, Van de Vijver & Ector PICU 2
Planothidium minutissimum (Krasske) Morales PMNT 2
Sellaphora atomoides SEAT 2
Sellaphora capitata D.G. Mann & S.M. Mc Donald SECA 2
SELLAPHORA C. Mereschkowsky SELL 2
Sellaphora mutatoides Lange-Bertalot & Metzeltin SMTO 2
Adlafia suchlandtii (Hustedt) Monnier & Ector ADFS 1
Cocconeis pseudolineata (Geitler) Lange-Bertalot COPL 1
Discostella stelligera (Cleve et Grun.) Houk & Klee DSTE 1
Encyonema ventricosum (Agardh) Grunow in Schmidt & al. ENVE 1
Fallacia sublucidula (Hustedt) D.G. Mann FSLU 1
Karayevia clevei (Grunow) Bukhtiyarova var.clevei KCLE 1
Melosira varians Agardh MVAR 1
Navicula gregaria Donkin NGRE 1
Nitzschia linearis(Agardh) W.M.Smith var.linearis NLIN 1
Nitzschia soratensis Morales & Vis NSTS 1
Psammothidium lauenburgianum (Hustedt) Bukhtiyarova et Round PLAU 1
Prestauroneis protracta PPTA 1
Pseudostaurosira trainorii Morales PTRN 1
Punctastriata lancettula (Schumann) Hamilton & Siver PULA 1
Ulnaria acus (Kützing) Aboal UACU 1