TaxonCodeEffectif
Navicula cryptotenella Lange-Bertalot NCTE 84
Achnanthidium subhudsonis (Hustedt) H. Kobayasi ADSH 44
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 32
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 32
Gomphonema minutum(Ag.)Agardh f. minutum GMIN 28
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 16
Navicula escambia (Patrick) Metzeltin & Lange-Bertalot NESC 15
Encyonema ventricosum (Agardh) Grunow in Schmidt & al. ENVE 14
Nitzschia fonticola Grunow in Van Heurck NFON 11
Sellaphora atomoides SEAT 11
Craticula subminuscula CSNU 10
Mayamaea permitis (Hustedt) Bruder & Medlin MPMI 9
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 8
Achnanthidium rivulare Potapova &Ponader ADRI 8
Cocconeis placentula Ehrenberg var.lineata (Ehr.)Van Heurck CPLI 8
Nitzschia palea (Kützing) W.Smith var. palea NPAL 7
Nitzschia costei Tudesque, Rimet & Ector NYCO 7
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 5
Fragilaria pectinalis (O.F. Müller) Gray FPEC 4
Fistulifera saprophila (Lange-Bertalot & Bonik) Lange-Bertalot FSAP 4
Navicula germainii Wallace NGER 4
Navicula gregaria Donkin NGRE 4
Encyonema minutum (Hilse in Rabh.) D.G. Mann in Round Crawford & Mann ENMI 3
Fragilaria pararumpens Lange-Bertalot, Hofmann & Werum in Hofmann & al. FPRU 3
Nitzschia amphibia Grunow f.amphibia NAMP 3
Navicula lanceolata (Agardh) Ehrenberg NLAN 3
Nitzschia soratensis Morales & Vis NSTS 3
FRAGILARIA H.C. Lyngbye FRAG 2
GOMPHONEMA C.G. Ehrenberg GOMP 2
Meridion circulare (Greville) C.A.Agardh var. circulare MCIR 2
Navicula antonii Lange-Bertalot NANT 2
Navicula erifuga Lange-Bertalot in Krammer & Lange-Bertalot NERI 2
Nitzschia sociabilis Hustedt NSOC 2
Sellaphora saugerresii SSGE 2
Craticula molestiformis (Hustedt) Lange-Bertalot CMLF 1
Cymbella tumida (Brebisson)Van Heurck CTUM 1
Navicula rostellata Kützing NROS 1
Navicula simulata Manguin NSIA 1
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 1
Sellaphora pupula (Kützing) Mereschkowksy SPUP 1