TaxonCodeEffectif
Fragilaria pectinalis (O.F. Müller) Gray FPEC 95
Gomphonema olivaceum (Hornemann) Brébisson var. olivaceum GOLI 59
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 47
Gomphonema micropumilum Reichardt GMPU 26
Diatoma vulgaris Bory DVUL 23
Melosira varians Agardh MVAR 22
Encyonema silesiacum (Bleisch in Rabh.) D.G. Mann ESLE 21
Achnanthidium pyrenaicum (Hustedt) Kobayasi ADPY 18
Encyonema minutum (Hilse in Rabh.) D.G. Mann in Round Crawford & Mann ENMI 15
Fistulifera saprophila (Lange-Bertalot & Bonik) Lange-Bertalot FSAP 13
Achnanthidium delmontii Peres, Le Cohu et Barthes ADMO 11
Encyonema ventricosum (Agardh) Grunow in Schmidt & al. ENVE 11
Ulnaria ulna (Nitzsch.) Compère UULN 8
Achnanthidium atomoides Monnier, Lange-Bertalot & Ector ADAM 4
Gomphonema minutum(Ag.)Agardh f. minutum GMIN 4
Gomphonema pumilum var. rigidum Reichardt & Lange-Bertalot GPRI 4
Nitzschia fonticola Grunow in Van Heurck NFON 4
Meridion circulare (Greville) C.A.Agardh var. circulare MCIR 3
Fistulifera pelliculosa (Brebisson) Lange-Bertalot FPEL 2
Fragilaria vaucheriae (Kützing) Petersen FVAU 2
Gomphonema pumilum (Grunow) Reichardt & Lange-Bertalot GPUM 2
Navicula reichardtiana Lange-Bertalot var. reichardtiana NRCH 2
Cymbella compacta Østrup CCMP 1
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 1
Fragilaria gracilis Østrup FGRA 1
Navicula cryptotenella Lange-Bertalot NCTE 1
Reimeria sinuata (Gregory) Kociolek & Stoermer RSIN 1
Surirella lacrimula English SLAC 1