TaxonCodeEffectif
Achnanthidium subhudsonis (Hustedt) H. Kobayasi ADSH 96
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 71
Cocconeis lineata Ehrenberg CLNT 23
Navicula cryptotenella Lange-Bertalot NCTE 22
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 18
Staurosira venter (Ehr.) Cleve & Moeller SSVE 14
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 12
Melosira varians Agardh MVAR 11
Navicula gregaria Donkin NGRE 10
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 10
Achnanthidium lineare W.Smith ACLI 9
Fragilaria perminuta (Grunow) Lange-Bertalot FPEM 9
Cocconeis placentula Ehrenberg var.lineata (Ehr.)Van Heurck CPLI 8
Encyonema ventricosum (Agardh) Grunow in Schmidt & al. ENVE 8
Achnanthidium exile (Kützing) Heiberg ADEX 7
Planothidium lanceolatum(Brebisson ex Kützing) Lange-Bertalot PTLA 7
Encyonema silesiacum (Bleisch in Rabh.) D.G. Mann ESLE 6
Nitzschia recta Hantzsch in Rabenhorst NREC 6
Navicula rhynchocephala Kützing NRHY 6
Achnanthidium rivulare Potapova &Ponader ADRI 5
Nitzschia perminuta (Grunow) M.Peragallo NIPM 5
Eunotia minor (Kützing) Grunow in Van Heurck EMIN 4
Navicula lanceolata (Agardh) Ehrenberg NLAN 4
Reimeria sinuata (Gregory) Kociolek & Stoermer RSIN 4
Navicula capitatoradiata Germain NCPR 3
Sellaphora nigri SNIG 3
Amphora ovalis (Kützing) Kützing var.ovalis AOVA 2
Cyclotella meneghiniana Kützing CMEN 2
Encyonema minutum (Hilse in Rabh.) D.G. Mann in Round Crawford & Mann ENMI 2
Gomphoneis calcifuga (Lange-Bertalot & Reichardt)Tuji GCFU 2
Hannaea arcus (Ehr.)Patrick HARC 2
Nitzschia fonticola Grunow in Van Heurck NFON 2
Nupela lapidosa (Lange-Bertalot) Lange-Bertalot var.lapidosa NULA 2
Achnanthidium bioretii (Germain) Edlund ABRT 1
Achnanthidium subatomoides (Hustedt) Monnier, Lange-Bertalot et Ector ADSO 1
Amphora indistincta Levkov AMID 1
Geissleria acceptata (Hust.) Lange-Bertalot & Metzeltin GACC 1
Planothidium granum (Hohn & Hellerman) Lange-Bertalot PGRN 1
Sellaphora saugerresii SSGE 1