TaxonCodeEffectif
Navicula cryptotenella Lange-Bertalot NCTE 142
Navicula tripunctata (O.F.Müller) Bory NTPT 72
Achnanthidium pyrenaicum (Hustedt) Kobayasi ADPY 57
Amphora pediculus (Kützing) Grunow APED 24
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 20
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 17
Cocconeis pediculus Ehrenberg CPED 8
Encyonema ventricosum (Agardh) Grunow in Schmidt & al. ENVE 8
Nitzschia fonticola Grunow in Van Heurck NFON 8
Encyonema minutum (Hilse in Rabh.) D.G. Mann in Round Crawford & Mann ENMI 6
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 5
Amphora macedoniensis Nagumo AMCD 4
Gomphonema pumilum (Grunow) Reichardt & Lange-Bertalot GPUM 4
Gyrosigma sciotense (Sullivan et Wormley) Cleve GSCI 4
Cocconeis placentula Ehrenberg var. placentula CPLA 3
Achnanthidium subhudsonis (Hustedt) H. Kobayasi ADSH 2
Diploneis elliptica (Kützing) Cleve DELL 2
Diploneis oculata (Brebisson in Desmazières) Cleve DOCU 2
Diploneis separanda Lange-Bertalot DSEP 2
Diatoma vulgaris Bory DVUL 2
Gomphonema elegantissimum Reichardt & Lange-Bertalot in Hofmann & al. GELG 2
Navicula reichardtiana Lange-Bertalot var. reichardtiana NRCH 2
Nitzschia sociabilis Hustedt NSOC 2
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 2
Craticula subminuscula CSNU 1