TaxonCodeEffectif
Amphora pediculus (Kützing) Grunow APED 91
Navicula gregaria Donkin NGRE 55
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 52
Cocconeis pediculus Ehrenberg CPED 44
Navicula tripunctata (O.F.Müller) Bory NTPT 39
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 20
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 20
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 10
Craticula subminuscula CSNU 10
Nitzschia soratensis Morales & Vis NSTS 8
Navicula cryptotenella Lange-Bertalot NCTE 6
Gomphonema italicum Kützing GITA 5
Sellaphora nigri SNIG 5
Sellaphora saugerresii SSGE 5
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 4
Ulnaria ulna (Nitzsch.) Compère UULN 4
Fallacia subhamulata (Grunow in V. Heurck) D.G. Mann FSBH 3
GOMPHONEMA C.G. Ehrenberg GOMP 3
Melosira varians Agardh MVAR 3
Nitzschia linearis(Agardh) W.M.Smith var.linearis NLIN 3
Cyclotella meneghiniana Kützing CMEN 2
Nitzschia amphibia Grunow f.amphibia NAMP 2
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 2
Mayamaea permitis (Hustedt) Bruder & Medlin MPMI 1
Navicula capitatoradiata Germain NCPR 1
Navicula rostellata Kützing NROS 1
Navicula simulata Manguin NSIA 1
Navicula veneta Kützing NVEN 1