TaxonCodeEffectif
Craticula subminuscula CSNU 63
Nitzschia costei Tudesque, Rimet & Ector NYCO 62
Achnanthidium subhudsonis (Hustedt) H. Kobayasi ADSH 58
Nitzschia amphibia Grunow f.amphibia NAMP 30
Gomphonema lagenula Kützing GLGN 26
Reimeria sinuata (Gregory) Kociolek & Stoermer RSIN 18
Sellaphora nigri SNIG 18
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 15
Nitzschia soratensis Morales & Vis NSTS 11
Achnanthidium exile (Kützing) Heiberg ADEX 10
Nitzschia palea (Kützing) W.Smith var.debilis(Kützing)Grunow in Cl. & Grun NPAD 10
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 7
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 7
Nitzschia inconspicua Grunow NINC 7
Gomphonema minutum(Ag.)Agardh f. minutum GMIN 6
Gomphonema pumilum var. rigidum Reichardt & Lange-Bertalot GPRI 5
Navicula cryptotenella Lange-Bertalot NCTE 5
Achnanthidium catenatum (Bily & Marvan) Lange-Bertalot ADCT 4
Nitzschia palea (Kützing) W.Smith var. palea NPAL 4
Pseudostaurosira brevistriata (Grun.in Van Heurck) Williams & Round PSBR 4
Achnanthidium eutrophilum (Lange-Bertalot)Lange-Bertalot ADEU 3
Mayamaea permitis (Hustedt) Bruder & Medlin MPMI 3
Nitzschia archibaldii Lange-Bertalot NIAR 3
Sellaphora saugerresii SSGE 3
Cocconeis lineata Ehrenberg CLNT 2
Encyonema ventricosum (Agardh) Grunow in Schmidt & al. ENVE 2
Fragilaria microvaucheriae FMIV 2
Gomphonema elegantissimum Reichardt & Lange-Bertalot in Hofmann & al. GELG 2
Gomphonema exilissimum(Grun.) Lange-Bertalot & Reichardt GEXL 2
Gomphonema pumilum (Grunow) Reichardt & Lange-Bertalot GPUM 2
Planothidium lanceolatum(Brebisson ex Kützing) Lange-Bertalot PTLA 2
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 1
Amphora pediculus (Kützing) Grunow APED 1
Fragilaria pararumpens Lange-Bertalot, Hofmann & Werum in Hofmann & al. FPRU 1
Fragilaria vaucheriae (Kützing) Petersen FVAU 1
Navicula escambia (Patrick) Metzeltin & Lange-Bertalot NESC 1
Navicula gregaria Donkin NGRE 1