TaxonCodeEffectif
Navicula cryptotenella Lange-Bertalot NCTE 53
Nitzschia costei Tudesque, Rimet & Ector NYCO 40
Luticola goeppertiana (Bleisch in Rabenhorst)D.G. Mann in Round Crawford & Mann LGOE 35
Gomphonema minutum(Ag.)Agardh f. minutum GMIN 31
Pseudostaurosira brevistriata (Grun.in Van Heurck) Williams & Round PSBR 29
Craticula subminuscula CSNU 26
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 22
Nitzschia amphibia Grunow f.amphibia NAMP 22
Navicula capitatoradiata Germain NCPR 21
Cymbella tumida (Brebisson)Van Heurck CTUM 14
Gomphoneis minuta (Stone) Kociolek & Stoermer var.minuta GMMI 12
Nitzschia fonticola Grunow in Van Heurck NFON 12
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 9
Nitzschia paleacea (Grunow) Grunow in van Heurck NPAE 9
Nitzschia palea (Kützing) W.Smith var. palea NPAL 8
Staurosira venter (Ehr.) Cleve & Moeller SSVE 7
Encyonema silesiacum (Bleisch in Rabh.) D.G. Mann ESLE 6
Navicula amphiceropsis Lange-Bertalot & Rumrich NAAM 6
Diatoma vulgaris Bory DVUL 5
Melosira varians Agardh MVAR 5
Encyonema ventricosum (Agardh) Grunow in Schmidt & al. ENVE 4
Gomphonema mexicanum Grunow GMEX 4
Nitzschia soratensis Morales & Vis NSTS 4
Sellaphora nigri SNIG 4
Navicula rostellata Kützing NROS 3
Achnanthidium subhudsonis (Hustedt) H. Kobayasi ADSH 2
Achnanthidium subatomus (Hustedt) Lange-Bertalot ADSU 2
Fragilaria vaucheriae (Kützing) Petersen FVAU 2
Naviculadicta absoluta (Hustedt) Lange-Bertalot in Lange-Bertalot & Moser NDAB 2
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 1
Fistulifera saprophila (Lange-Bertalot & Bonik) Lange-Bertalot FSAP 1
Mayamaea permitis (Hustedt) Bruder & Medlin MPMI 1
Navicula tripunctata (O.F.Müller) Bory NTPT 1
Ulnaria ulna (Nitzsch.) Compère UULN 1