TaxonCodeEffectif
Navicula tripunctata (O.F.Müller) Bory NTPT 62
Navicula cryptotenella Lange-Bertalot NCTE 54
Gomphonema elegantissimum Reichardt & Lange-Bertalot in Hofmann & al. GELG 48
Navicula gregaria Donkin NGRE 33
Gomphonema minutum(Ag.)Agardh f. minutum GMIN 32
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 31
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 28
Craticula subminuscula CSNU 23
Gomphonema gracile Ehrenberg GGRA 15
Surirella lacrimula English SLAC 14
Navicula lanceolata (Agardh) Ehrenberg NLAN 13
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 10
Navicula antonii Lange-Bertalot NANT 6
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 5
Gomphonema pumilum var. rigidum Reichardt & Lange-Bertalot GPRI 5
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 4
Planothidium lanceolatum(Brebisson ex Kützing) Lange-Bertalot PTLA 4
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 3
Fragilaria gracilis Østrup FGRA 2
Gomphonema micropus Kützing var. micropus GMIC 2
Humidophila contenta HUCO 2
Navicula trivialis Lange-Bertalot var. trivialis NTRV 2
Mayamaea permitis (Hustedt) Bruder & Medlin MPMI 1
Nitzschia fonticola Grunow in Van Heurck NFON 1
Nitzschia palea (Kützing) W.Smith var. palea NPAL 1
Nitzschia sociabilis Hustedt NSOC 1
Sellaphora nigri SNIG 1