Taxon
Code
Effectif
Achnanthidium gracillimum (Meister)Lange-Bertalot ADGL 85
Achnanthidium rivulare Potapova &Ponader ADRI 80
Fragilaria pararumpens Lange-Bertalot, Hofmann & Werum in Hofmann & al. FPRU 67
Achnanthidium tropicocatenatum ADTC 32
ACHNANTHIDIUM F.T. Kützing ACHD 30
Navicula notha Wallace NNOT 23
Achnanthidium pyrenaicum (Hustedt) Kobayasi ADPY 16
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 11
Cocconeis lineata Ehrenberg CLNT 10
Nitzschia palea (Kützing) W.Smith var.debilis(Kützing)Grunow in Cl. & Grun NPAD 10
Encyonema silesiacum (Bleisch in Rabh.) D.G. Mann ESLE 7
Achnanthidium druartii Rimet & Couté in Rimet & al. ADRU 4
Cocconeis placentula Ehrenberg var.lineata (Ehr.)Van Heurck CPLI 4
Cymbella turgidula Grunow 1875 in A.Schmidt & al. var. turgidula CTGL 4
Reimeria sinuata (Gregory) Kociolek & Stoermer RSIN 4
Ulnaria ulna (Nitzsch.) Compère UULN 4
Achnanthidium hoffmannii Van de Vijver, Ector, Mertens & Jarlman AHOF 3
Gomphonema acidoclinatum Lange-Bertalot & Reichardt GADC 3
Fragilaria recapitellata Lange-Bertalot & Metzeltin FRCP 2
Gomphoneis minuta (Stone) Kociolek & Stoermer var.minuta GMMI 2
GOMPHONEMA C.G. Ehrenberg GOMP 2
Navigeia decussis NGDU 2
Gomphonema rhombicum M. Schmidt GRHB 1
Gomphonema truncatum Ehr. GTRU 1
Melosira varians Agardh MVAR 1