TaxonCodeEffectif
Navicula tripunctata (O.F.Müller) Bory NTPT 55
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 48
Amphora pediculus (Kützing) Grunow APED 33
Navicula trivialis Lange-Bertalot var. trivialis NTRV 32
Amphora indistincta Levkov AMID 25
Nitzschia palea (Kützing) W.Smith var. palea NPAL 20
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 20
Navicula capitatoradiata Germain NCPR 17
Melosira varians Agardh MVAR 16
Navicula cryptotenella Lange-Bertalot NCTE 16
Gyrosigma sciotense (Sullivan et Wormley) Cleve GSCI 12
Surirella angusta Kützing SANG 12
Navicula veneta Kützing NVEN 7
Sellaphora nigri SNIG 7
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 6
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 6
Hippodonta capitata (Ehr.)Lange-Bert.Metzeltin & Witkowski HCAP 6
Navicula germainii Wallace NGER 5
Cyclotella meneghiniana Kützing CMEN 4
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 4
Navicula notha Wallace NNOT 4
Nitzschia palea (Kützing) W.Smith var.debilis(Kützing)Grunow in Cl. & Grun NPAD 4
Planothidium lanceolatum(Brebisson ex Kützing) Lange-Bertalot PTLA 4
Aulacoseira ambigua (Grunow) Simonsen AAMB 3
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 3
Cyclostephanos dubius (Fricke) Round CDUB 2
Cymbella tumida (Brebisson)Van Heurck CTUM 2
Denticula tenuis Kützing DTEN 2
Encyonema ventricosum (Agardh) Grunow in Schmidt & al. ENVE 2
Navicula antonii Lange-Bertalot NANT 2
Nitzschia fonticola Grunow in Van Heurck NFON 2
Navicula gregaria Donkin NGRE 2
Placoneis symmetrica (Hustedt) Lange-Bertalot PSYM 2
Reimeria sinuata (Gregory) Kociolek & Stoermer RSIN 2
Surirella lacrimula English SLAC 2
Sellaphora pupula (Kützing) Mereschkowksy SPUP 2
Tryblionella hungarica (Grunow) D.G. Mann THUN 2
Ulnaria ulna (Nitzsch.) Compère UULN 2
Adlafia minuscula var. muralis (Grunow) Lange-Bertalot ADMM 1
Achnanthidium delmontii Peres, Le Cohu et Barthes ADMO 1
Nitzschia recta Hantzsch in Rabenhorst NREC 1
Nitzschia sociabilis Hustedt NSOC 1
Platessa bahlsii Potapova PBAH 1
Sellaphora atomoides SEAT 1