TaxonCodeEffectif
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 168
Navicula cryptotenella Lange-Bertalot NCTE 53
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 29
Achnanthidium delmontii Peres, Le Cohu et Barthes ADMO 14
Melosira varians Agardh MVAR 14
Navicula tripunctata (O.F.Müller) Bory NTPT 14
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 12
Cocconeis lineata Ehrenberg CLNT 11
Encyonema ventricosum (Agardh) Grunow in Schmidt & al. ENVE 8
Gomphonema pumilum var. rigidum Reichardt & Lange-Bertalot GPRI 8
Nitzschia archibaldii Lange-Bertalot NIAR 8
Sellaphora nigri SNIG 7
Craticula subminuscula CSNU 6
Cocconeis pediculus Ehrenberg CPED 4
Navicula capitatoradiata Germain NCPR 4
Navicula reichardtiana Lange-Bertalot var. reichardtiana NRCH 4
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 4
Achnanthidium pyrenaicum (Hustedt) Kobayasi ADPY 2
Amphora indistincta Levkov AMID 2
Caloneis lancettula (Schulz) Lange-Bertalot & Witkowski CLCT 2
Navicula cryptocephala Kützing NCRY 2
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 2
Nitzschia fonticola Grunow in Van Heurck NFON 2
Navigeia decussis NGDU 2
Navicula gregaria Donkin NGRE 2
Nitzschia palea (Kützing) W.Smith var. palea NPAL 2
Navicula veneta Kützing NVEN 2
Nitzschia costei Tudesque, Rimet & Ector NYCO 2
Ulnaria ulna (Nitzsch.) Compère UULN 2
Adlafia minuscula var. muralis (Grunow) Lange-Bertalot ADMM 1
Achnanthidium druartii Rimet & Couté in Rimet & al. ADRU 1
Cyclostephanos invisitatus(Hohn & Hellerman)Theriot Stoermer & Hakansson CINV 1
Encyonopsis subminuta Krammer & Reichardt ESUM 1
Fragilaria gracilis Østrup FGRA 1
Mayamaea permitis (Hustedt) Bruder & Medlin MPMI 1
Nitzschia palea (Kützing) W.Smith var.debilis(Kützing)Grunow in Cl. & Grun NPAD 1
Stauroneis smithii Grunow SSMI 1