TaxonCodeEffectif
Achnanthidium subhudsonis (Hustedt) H. Kobayasi ADSH 66
Achnanthidium hoffmannii Van de Vijver, Ector, Mertens & Jarlman AHOF 54
Navicula cryptotenella Lange-Bertalot NCTE 49
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 40
Cocconeis lineata Ehrenberg CLNT 31
Fragilaria recapitellata Lange-Bertalot & Metzeltin FRCP 27
Encyonema silesiacum (Bleisch in Rabh.) D.G. Mann ESLE 19
Fragilaria pararumpens Lange-Bertalot, Hofmann & Werum in Hofmann & al. FPRU 17
Nitzschia costei Tudesque, Rimet & Ector NYCO 13
Achnanthidium eutrophilum (Lange-Bertalot)Lange-Bertalot ADEU 8
FRAGILARIA H.C. Lyngbye FRAG 8
Melosira varians Agardh MVAR 8
Achnanthidium rivulare Potapova &Ponader ADRI 7
Navicula germainii Wallace NGER 6
Achnanthidium crassum (Hustedt) Potapova & Ponader ADCR 5
Nitzschia soratensis Morales & Vis NSTS 5
Gomphonema elegantissimum Reichardt & Lange-Bertalot in Hofmann & al. GELG 4
Nitzschia fonticola Grunow in Van Heurck NFON 4
Reimeria sinuata (Gregory) Kociolek & Stoermer RSIN 4
Fragilaria gracilis Østrup FGRA 3
Navicula gregaria Donkin NGRE 3
Sellaphora atomoides SEAT 3
Cocconeis pseudolineata (Geitler) Lange-Bertalot COPL 2
Fragilaria pectinalis (O.F. Müller) Gray FPEC 2
Gomphonema pumilum var. rigidum Reichardt & Lange-Bertalot GPRI 2
Mayamaea permitis (Hustedt) Bruder & Medlin MPMI 2
Nitzschia amphibia Grunow f.amphibia NAMP 2
Navicula cryptocephala Kützing NCRY 2
Navicula rostellata Kützing NROS 2
Planothidium lanceolatum(Brebisson ex Kützing) Lange-Bertalot PTLA 2
Sellaphora nigri SNIG 2
Geissleria acceptata (Hust.) Lange-Bertalot & Metzeltin GACC 1
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 1
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 1
Navicula exilis Kützing NEXI 1
Navicula sancti-naumii Levkov et Metzeltin NSNM 1
Stauroneis kriegeri Patrick STKR 1