TaxonCodeEffectif
Sellaphora nigri SNIG 149
Craticula subminuscula CSNU 102
Halamphora veneta (Kützing) Levkov HVEN 17
Nitzschia amphibia Grunow f.amphibia NAMP 11
Nitzschia costei Tudesque, Rimet & Ector NYCO 11
Reimeria sinuata (Gregory) Kociolek & Stoermer RSIN 10
Navicula amphiceropsis Lange-Bertalot & Rumrich NAAM 8
Nitzschia inconspicua Grunow NINC 8
Nitzschia palea (Kützing) W.Smith var.debilis(Kützing)Grunow in Cl. & Grun NPAD 8
Nitzschia soratensis Morales & Vis NSTS 7
Fistulifera saprophila (Lange-Bertalot & Bonik) Lange-Bertalot FSAP 6
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 6
Navicula cryptotenella Lange-Bertalot NCTE 6
Navicula germainii Wallace NGER 6
Nitzschia archibaldii Lange-Bertalot NIAR 5
Pseudostaurosira brevistriata (Grun.in Van Heurck) Williams & Round PSBR 5
Mayamaea atomus (Kützing) Lange-Bertalot var.atomus MAAT 4
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 3
Mayamaea permitis (Hustedt) Bruder & Medlin MPMI 3
Navicula antonii Lange-Bertalot NANT 3
Navicula capitatoradiata Germain NCPR 3
Nitzschia fonticola Grunow in Van Heurck NFON 3
Navicula gregaria Donkin NGRE 3
Amphora pediculus (Kützing) Grunow APED 2
Encyonema minutum (Hilse in Rabh.) D.G. Mann in Round Crawford & Mann ENMI 2
Fragilaria mesolepta Rabenhorst FMES 2
Gomphonema minutum(Ag.)Agardh f. minutum GMIN 2
Luticola ventriconfusa Lange-Bertalot LVCF 2
Nitzschia palea (Kützing) W.Smith var. palea NPAL 2
Punctastriata lancettula (Schumann) Hamilton & Siver PULA 2
Staurosira binodis Lange-Bertalot in Hofmann Werum & Lange-Bertalot SBND 2
Tryblionella kuetzingii TKUE 2
Geissleria acceptata (Hust.) Lange-Bertalot & Metzeltin GACC 1
Nitzschia capitellata Hustedt in A.Schmidt & al. NCPL 1