TaxonCodeEffectif
Sellaphora nigri SNIG 121
Navicula cryptotenella Lange-Bertalot NCTE 83
Craticula subminuscula CSNU 24
Nitzschia amphibia Grunow f.amphibia NAMP 18
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 18
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 15
Nitzschia palea (Kützing) W.Smith var. palea NPAL 14
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 14
Navicula tripunctata (O.F.Müller) Bory NTPT 12
Gomphonema pumilum var. rigidum Reichardt & Lange-Bertalot GPRI 8
Gomphonema pumilum (Grunow) Reichardt & Lange-Bertalot GPUM 8
Nitzschia fonticola Grunow in Van Heurck NFON 7
Achnanthidium delmontii Peres, Le Cohu et Barthes ADMO 6
Achnanthidium pyrenaicum (Hustedt) Kobayasi ADPY 6
Navicula capitatoradiata Germain NCPR 6
Fistulifera saprophila (Lange-Bertalot & Bonik) Lange-Bertalot FSAP 5
Navicula antonii Lange-Bertalot NANT 5
Sellaphora atomoides SEAT 5
SELLAPHORA C. Mereschkowsky SELL 5
Achnanthidium eutrophilum (Lange-Bertalot)Lange-Bertalot ADEU 4
Amphora pediculus (Kützing) Grunow APED 4
Gomphonema minutum(Ag.)Agardh f. minutum GMIN 4
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 4
Navicula cataracta-rheni Lange-Bertalot NCTT 4
Encyonema silesiacum (Bleisch in Rabh.) D.G. Mann ESLE 2
Mayamaea permitis (Hustedt) Bruder & Medlin MPMI 2
Navicula exilis Kützing NEXI 2
Navicula rostellata Kützing NROS 2
Nitzschia solgensis Cleve-Euler NSOL 2
Achnanthidium druartii Rimet & Couté in Rimet & al. ADRU 1
Navicula germainii Wallace NGER 1
Nitzschia frequens Hustedt NIFQ 1
Planothidium rostratoholarcticum PROH 1
Surirella suecica Grunow in Van Heurck SSUE 1