TaxonCodeEffectif
Nitzschia costei Tudesque, Rimet & Ector NYCO 87
Nitzschia soratensis Morales & Vis NSTS 69
Nitzschia fonticola Grunow in Van Heurck NFON 64
Cocconeis lineata Ehrenberg CLNT 39
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 19
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 17
Fragilaria recapitellata Lange-Bertalot & Metzeltin FRCP 15
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 15
Mayamaea permitis (Hustedt) Bruder & Medlin MPMI 8
Achnanthidium eutrophilum (Lange-Bertalot)Lange-Bertalot ADEU 6
Cocconeis placentula Ehrenberg var.lineata (Ehr.)Van Heurck CPLI 6
Encyonema ventricosum (Agardh) Grunow in Schmidt & al. ENVE 5
Encyonema silesiacum (Bleisch in Rabh.) D.G. Mann ESLE 5
Fragilaria gracilis Østrup FGRA 5
Fistulifera saprophila (Lange-Bertalot & Bonik) Lange-Bertalot FSAP 5
Gomphoneis minuta (Stone) Kociolek & Stoermer var.minuta GMMI 5
Navicula cryptotenella Lange-Bertalot NCTE 5
Cyclotella meneghiniana Kützing CMEN 3
Navicula gregaria Donkin NGRE 3
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 3
Sellaphora nigri SNIG 3
Ulnaria ulna (Nitzsch.) Compère UULN 3
Achnanthidium subhudsonis (Hustedt) H. Kobayasi ADSH 2
Melosira varians Agardh MVAR 2
Navicula antonii Lange-Bertalot NANT 2
Nitzschia linearis(Agardh) W.M.Smith var.linearis NLIN 2
Staurosira venter (Ehr.) Cleve & Moeller SSVE 2
Hippodonta capitata (Ehr.)Lange-Bert.Metzeltin & Witkowski HCAP 1
Navicula catalanogermanica Lange-Bertalot & Hofmann NCAT 1