TaxonCodeEffectif
Fragilaria pectinalis (O.F. Müller) Gray FPEC 105
Nitzschia fonticola Grunow in Van Heurck NFON 40
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 37
Encyonema ventricosum (Agardh) Grunow in Schmidt & al. ENVE 30
Encyonema minutum (Hilse in Rabh.) D.G. Mann in Round Crawford & Mann ENMI 27
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 18
Denticula tenuis Kützing DTEN 17
Amphora pediculus (Kützing) Grunow APED 16
Fragilaria neointermedia Tuji et D.M. Williams FNIN 16
Navicula tripunctata (O.F.Müller) Bory NTPT 16
Encyonema silesiacum (Bleisch in Rabh.) D.G. Mann ESLE 11
Navicula cryptotenella Lange-Bertalot NCTE 11
Cocconeis pediculus Ehrenberg CPED 8
Nitzschia palea (Kützing) W.Smith var. palea NPAL 8
Navicula antonii Lange-Bertalot NANT 7
Sellaphora saugerresii SSGE 4
Ulnaria ulna (Nitzsch.) Compère UULN 4
Fragilaria gracilis Østrup FGRA 3
Fallacia subhamulata (Grunow in V. Heurck) D.G. Mann FSBH 3
Naviculadicta pseudoventralis (Hustedt) Lange-Bertalot in Lange-Bertalot & Moser NDPV 3
Staurosira binodis Lange-Bertalot in Hofmann Werum & Lange-Bertalot SBND 3
Sellaphora nigri SNIG 3
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 2
Humidophila contenta HUCO 2
Nitzschia hantzschiana Rabenhorst NHAN 2
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 2
Amphora indistincta Levkov AMID 1
Cyclostephanos dubius (Fricke) Round CDUB 1
Meridion circulare (Greville) C.A.Agardh var. circulare MCIR 1
Nitzschia sociabilis Hustedt NSOC 1