TaxonCodeEffectif
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 86
Achnanthidium subatomus (Hustedt) Lange-Bertalot ADSU 68
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 55
Fragilaria pararumpens Lange-Bertalot, Hofmann & Werum in Hofmann & al. FPRU 40
Cocconeis placentula Ehrenberg var.lineata (Ehr.)Van Heurck CPLI 33
Gomphonema elegantissimum Reichardt & Lange-Bertalot in Hofmann & al. GELG 19
Gomphonema rhombicum M. Schmidt GRHB 17
Achnanthidium delmontii Peres, Le Cohu et Barthes ADMO 14
Nitzschia fonticola Grunow in Van Heurck NFON 13
Achnanthidium subhudsonis (Hustedt) H. Kobayasi ADSH 12
Cocconeis pseudolineata (Geitler) Lange-Bertalot COPL 11
Nitzschia archibaldii Lange-Bertalot NIAR 6
Reimeria sinuata (Gregory) Kociolek & Stoermer RSIN 6
SELLAPHORA C. Mereschkowsky SELL 6
Gomphonema cuneolus E. Reichardt GCUN 4
Gomphonema pumilum var. rigidum Reichardt & Lange-Bertalot GPRI 4
Navicula cryptotenella Lange-Bertalot NCTE 4
Amphora pediculus (Kützing) Grunow APED 3
Sellaphora nigri SNIG 3
Achnanthidium microcephalum Kützing ADMC 2
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 2
Cocconeis lineata Ehrenberg CLNT 2
Gomphonema minutum(Ag.)Agardh f. minutum GMIN 2
Mayamaea permitis (Hustedt) Bruder & Medlin MPMI 2
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 2
Planothidium lanceolatum(Brebisson ex Kützing) Lange-Bertalot PTLA 2
Achnanthidium atomoides Monnier, Lange-Bertalot & Ector ADAM 1