TaxonCodeEffectif
Achnanthidium pyrenaicum (Hustedt) Kobayasi ADPY 152
Achnanthidium lineare W.Smith ACLI 73
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 56
Fragilaria pectinalis (O.F. Müller) Gray FPEC 37
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 31
Gomphonema elegantissimum Reichardt & Lange-Bertalot in Hofmann & al. GELG 13
Nitzschia fonticola Grunow in Van Heurck NFON 8
Achnanthidium delmontii Peres, Le Cohu et Barthes ADMO 7
Encyonema ventricosum (Agardh) Grunow in Schmidt & al. ENVE 4
Navicula cryptotenella Lange-Bertalot NCTE 4
Navicula tripunctata (O.F.Müller) Bory NTPT 4
Navicula menisculus Schumann var. menisculus NMEN 3
Surirella lacrimula English SLAC 2
Cocconeis neothumensis Krammer in Ricard CNTH 1
Cocconeis pediculus Ehrenberg CPED 1
Craticula subminuscula CSNU 1
Luticola goeppertiana LGOP 1
Navicula antonii Lange-Bertalot NANT 1
Nitzschia palea (Kützing) W.Smith var.debilis(Kützing)Grunow in Cl. & Grun NPAD 1