TaxonCodeEffectif
Sellaphora nigri SNIG 100
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 56
Navicula gregaria Donkin NGRE 33
Encyonema silesiacum (Bleisch in Rabh.) D.G. Mann ESLE 32
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 31
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 19
Fistulifera saprophila (Lange-Bertalot & Bonik) Lange-Bertalot FSAP 16
Fragilaria pectinalis (O.F. Müller) Gray FPEC 13
Fragilaria gracilis Østrup FGRA 10
Mayamaea atomus (Kützing) Lange-Bertalot var.atomus MAAT 10
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 9
Craticula molestiformis (Hustedt) Lange-Bertalot CMLF 8
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 8
Amphora pediculus (Kützing) Grunow APED 7
Navicula cryptotenelloides Lange-Bertalot NCTO 7
Surirella lacrimula English SLAC 6
Ulnaria ulna (Nitzsch.) Compère UULN 6
Encyonema ventricosum (Agardh) Grunow in Schmidt & al. ENVE 5
Encyonema minutum (Hilse in Rabh.) D.G. Mann in Round Crawford & Mann ENMI 3
Melosira varians Agardh MVAR 3
Nitzschia archibaldii Lange-Bertalot NIAR 3
Nitzschia palea (Kützing) W.Smith var. palea NPAL 3
Achnanthidium daonense (Lange-Bertalot) Lange-Bertalot Monnier & Ector ADDA 2
Adlafia minuscula var. muralis (Grunow) Lange-Bertalot ADMM 2
Craticula subminuscula CSNU 2
Gomphonema gracile Ehrenberg GGRA 2
Reimeria sinuata (Gregory) Kociolek & Stoermer RSIN 2
Mayamaea permitis (Hustedt) Bruder & Medlin MPMI 1
Nitzschia costei Tudesque, Rimet & Ector NYCO 1
Planothidium lanceolatum(Brebisson ex Kützing) Lange-Bertalot PTLA 1
Tryblionella debilis Arnott ex O'Meara TDEB 1