TaxonCodeEffectif
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 130
Amphora pediculus (Kützing) Grunow APED 46
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 45
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 41
Gomphonema pumilum var. rigidum Reichardt & Lange-Bertalot GPRI 40
Gomphonema cuneolus E. Reichardt GCUN 17
Navicula cryptotenella Lange-Bertalot NCTE 13
Gomphonema elegantissimum Reichardt & Lange-Bertalot in Hofmann & al. GELG 8
Gomphonema minutum(Ag.)Agardh f. minutum GMIN 6
Navicula tripunctata (O.F.Müller) Bory NTPT 6
Achnanthidium delmontii Peres, Le Cohu et Barthes ADMO 5
Craticula subminuscula CSNU 4
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 4
Sellaphora nigri SNIG 4
Achnanthidium latecephalum Kobayasi ADLA 3
Amphora macedoniensis Nagumo AMCD 3
Caloneis molaris (Grunow) Krammer CMOL 3
Nitzschia soratensis Morales & Vis NSTS 3
Achnanthidium pyrenaicum (Hustedt) Kobayasi ADPY 2
Cocconeis placentula Ehrenberg var. placentula CPLA 2
Nitzschia amphibia Grunow f.amphibia NAMP 2
Nitzschia fonticola Grunow in Van Heurck NFON 2
Nitzschia inconspicua Grunow NINC 2
Navicula reichardtiana Lange-Bertalot var. reichardtiana NRCH 2
Amphora indistincta Levkov AMID 1
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 1
Navicula antonii Lange-Bertalot NANT 1
Navicula cari Ehrenberg NCAR 1
Navicula capitatoradiata Germain NCPR 1
Nitzschia palea (Kützing) W.Smith var. palea NPAL 1
Nitzschia sociabilis Hustedt NSOC 1
Surirella helvetica Brun SHEL 1