TaxonCodeEffectif
Navicula cryptotenella Lange-Bertalot NCTE 103
Navicula tripunctata (O.F.Müller) Bory NTPT 74
Amphora pediculus (Kützing) Grunow APED 35
Nitzschia amphibia Grunow f.amphibia NAMP 17
Gyrosigma acuminatum (Kützing)Rabenhorst GYAC 15
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 14
Sellaphora atomoides SEAT 14
Sellaphora saprotolerans SESP 13
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 11
Navicula gregaria Donkin NGRE 10
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 10
Navicula trivialis Lange-Bertalot var. trivialis NTRV 9
Gomphonema pumilum var. rigidum Reichardt & Lange-Bertalot GPRI 8
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 7
Cocconeis placentula Ehrenberg var. placentula CPLA 7
Nitzschia palea (Kützing) W.Smith var.debilis(Kützing)Grunow in Cl. & Grun NPAD 6
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 5
Caloneis lancettula (Schulz) Lange-Bertalot & Witkowski CLCT 4
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 4
Nitzschia palea (Kützing) W.Smith var. palea NPAL 4
Achnanthidium pyrenaicum (Hustedt) Kobayasi ADPY 3
Achnanthidium druartii Rimet & Couté in Rimet & al. ADRU 3
Nitzschia fonticola Grunow in Van Heurck NFON 3
Sellaphora nigri SNIG 3
Craticula subminuscula CSNU 2
Gyrosigma sciotense (Sullivan et Wormley) Cleve GSCI 2
Luticola goeppertiana LGOP 2
Navicula cryptocephala Kützing NCRY 2
Navicula cataracta-rheni Lange-Bertalot NCTT 2
Navicula simulata Manguin NSIA 2
Navicula viridula (Kützing) Ehrenberg NVIR 2
Simonsenia delognei Lange-Bertalot SIDE 2
Luticola mutica (Kützing) D.G. Mann in Round Crawford & Mann LMUT 1
Navicula antonii Lange-Bertalot NANT 1
Tryblionella calida (Grunow in Cl. & Grun.) D.G. Mann in Round Crawford & Mann TCAL 1