TaxonCodeEffectif
Amphora pediculus (Kützing) Grunow APED 98
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 52
Navicula cryptotenella Lange-Bertalot NCTE 48
Gomphonema pumilum var. rigidum Reichardt & Lange-Bertalot GPRI 47
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 40
Gomphonema elegantissimum Reichardt & Lange-Bertalot in Hofmann & al. GELG 20
Navicula tripunctata (O.F.Müller) Bory NTPT 20
Gomphonema micropus Kützing var. micropus GMIC 9
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 9
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 8
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 7
Cocconeis placentula Ehrenberg var. placentula CPLA 6
Achnanthidium pyrenaicum (Hustedt) Kobayasi ADPY 5
Caloneis lancettula (Schulz) Lange-Bertalot & Witkowski CLCT 4
Cocconeis pseudolineata (Geitler) Lange-Bertalot COPL 4
Kolbesia gessneri (Hustedt) Aboal KGES 4
Sellaphora nigri SNIG 4
Sellaphora atomoides SEAT 3
Achnanthidium rivulare Potapova &Ponader ADRI 2
Fallacia subhamulata (Grunow in V. Heurck) D.G. Mann FSBH 2
Gomphonema minutum(Ag.)Agardh f. minutum GMIN 2
Sellaphora seminulum (Grunow) D.G. Mann SSEM 2
Amphora indistincta Levkov AMID 1
Cyclostephanos invisitatus(Hohn & Hellerman)Theriot Stoermer & Hakansson CINV 1
Fistulifera saprophila (Lange-Bertalot & Bonik) Lange-Bertalot FSAP 1
Mayamaea permitis (Hustedt) Bruder & Medlin MPMI 1
Navicula cryptotenelloides Lange-Bertalot NCTO 1
Nitzschia sociabilis Hustedt NSOC 1
Surirella brebissonii var.kuetzingii Krammer et Lange-Bertalot SBKU 1