TaxonCodeEffectif
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 64
Navicula cryptotenella Lange-Bertalot NCTE 63
Navicula tripunctata (O.F.Müller) Bory NTPT 28
Nitzschia palea (Kützing) W.Smith var. palea NPAL 27
Sellaphora nigri SNIG 26
Amphora pediculus (Kützing) Grunow APED 19
Nitzschia fonticola Grunow in Van Heurck NFON 17
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 16
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 11
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 8
Sellaphora pupula (Kützing) Mereschkowksy SPUP 8
Achnanthidium eutrophilum (Lange-Bertalot)Lange-Bertalot ADEU 7
Craticula subminuscula CSNU 6
Nitzschia amphibia Grunow f.amphibia NAMP 5
Nitzschia soratensis Morales & Vis NSTS 5
GOMPHONEMA C.G. Ehrenberg GOMP 4
Melosira varians Agardh MVAR 4
Navicula capitatoradiata Germain NCPR 4
Navicula cryptotenelloides Lange-Bertalot NCTO 4
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 4
Cocconeis lineata Ehrenberg CLNT 3
Navicula antonii Lange-Bertalot NANT 3
Navicula gregaria Donkin NGRE 3
Navicula trivialis Lange-Bertalot var. trivialis NTRV 3
Navicula veneta Kützing NVEN 3
Navicula vilaplanii(Lange-Bert. & Sabater) Lange-Bertalot & Sabater in Rumrich & al. NVIP 3
Cocconeis pediculus Ehrenberg CPED 2
Cocconeis placentula Ehrenberg var. placentula CPLA 2
Cocconeis placentula Ehrenberg var.lineata (Ehr.)Van Heurck CPLI 2
Encyonema ventricosum (Agardh) Grunow in Schmidt & al. ENVE 2
Geissleria decussis(Ostrup) Lange-Bertalot & Metzeltin GDEC 2
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 2
Nitzschia acicularis(Kützing) W.M.Smith NACI 2
Navicula cari Ehrenberg NCAR 2
Navicula erifuga Lange-Bertalot in Krammer & Lange-Bertalot NERI 2
Nitzschia gessneri Hustedt NGES 2
Nitzschia paleacea (Grunow) Grunow in van Heurck NPAE 2
Navicula reichardtiana Lange-Bertalot var. reichardtiana NRCH 2
Surirella brebissonii var.kuetzingii Krammer et Lange-Bertalot SBKU 2
Sellaphora atomoides SEAT 2
Ulnaria ulna (Nitzsch.) Compère UULN 2
Achnanthidium catenatum (Bily & Marvan) Lange-Bertalot ADCT 1
Achnanthidium rivulare Potapova &Ponader ADRI 1
Amphora indistincta Levkov AMID 1
Cyclotella meneghiniana Kützing CMEN 1
Cyclotella ocellata Pantocsek COCE 1
Chamaepinnularia submuscicola (Krasske) Lange-Bertalot CSMU 1
Discostella pseudostelligera DPSG 1
Fragilaria gracilis Østrup FGRA 1
Fragilaria pectinalis (O.F. Müller) Gray FPEC 1
Fallacia pygmaea (Kützing) Stickle & Mann ssp.pygmaea in Lange-Bertalot & al FPYG 1
Gomphonema exilissimum(Grun.) Lange-Bertalot & Reichardt GEXL 1
Gomphonema olivaceum (Hornemann) Brébisson var. olivaceum GOLI 1
Gyrosigma sciotense (Sullivan et Wormley) Cleve GSCI 1
Kolbesia gessneri (Hustedt) Aboal KGES 1
Navicula germainii Wallace NGER 1
NITZSCHIA A.H. Hassall NITZ 1
Navicula tenelloides Hustedt NTEN 1
Planothidium minutissimum (Krasske) Morales PMNT 1
Platessa conspicua (A.Mayer) Lange-Bertalot PTCO 1
Planothidium lanceolatum(Brebisson ex Kützing) Lange-Bertalot PTLA 1
Pantocsekiella wuethrichiana PWUE 1
Surirella angusta Kützing SANG 1
Surirella lacrimula English SLAC 1