TaxonCodeEffectif
Amphora pediculus (Kützing) Grunow APED 42
Navicula cryptotenella Lange-Bertalot NCTE 37
Sellaphora nigri SNIG 34
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 30
Nitzschia microcephala Grunow in Cleve & Moller NMIC 27
Nitzschia palea (Kützing) W.Smith var. palea NPAL 26
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 12
Nitzschia amphibia Grunow f.amphibia NAMP 11
Navicula tripunctata (O.F.Müller) Bory NTPT 9
Craticula subminuscula CSNU 8
Discostella pseudostelligera DPSG 8
Mayamaea permitis (Hustedt) Bruder & Medlin MPMI 8
Navicula capitatoradiata Germain NCPR 8
Nitzschia archibaldii Lange-Bertalot NIAR 8
Pseudostaurosira brevistriata (Grun.in Van Heurck) Williams & Round PSBR 7
Achnanthidium pyrenaicum (Hustedt) Kobayasi ADPY 6
Gomphonema italicum Kützing GITA 6
Halamphora montana (Krasske) Levkov HLMO 6
Kolbesia gessneri (Hustedt) Aboal KGES 6
Navicula antonii Lange-Bertalot NANT 6
Navicula cryptotenelloides Lange-Bertalot NCTO 6
Ulnaria ulna (Nitzsch.) Compère UULN 5
Achnanthidium delmontii Peres, Le Cohu et Barthes ADMO 4
ENCYONEMA F.T. Kützing ENCY 4
Fistulifera pelliculosa (Brebisson) Lange-Bertalot FPEL 4
Fistulifera saprophila (Lange-Bertalot & Bonik) Lange-Bertalot FSAP 4
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 4
Placoneis symmetrica (Hustedt) Lange-Bertalot PSYM 4
Reimeria uniseriata Sala Guerrero & Ferrario RUNI 4
STAUROSIRELLA D.M. Williams & F.E. Round emend Morales STRL 4
Achnanthidium druartii Rimet & Couté in Rimet & al. ADRU 3
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 3
Navicula vilaplanii(Lange-Bert. & Sabater) Lange-Bertalot & Sabater in Rumrich & al. NVIP 3
Sellaphora pupula (Kützing) Mereschkowksy SPUP 3
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 2
Geissleria decussis(Ostrup) Lange-Bertalot & Metzeltin GDEC 2
Karayevia clevei (Grunow) Bukhtiyarova var.clevei KCLE 2
NAVICULA J.B.M. Bory de St. Vincent NAVI 2
Nitzschia palea (Kützing) W.Smith var.debilis(Kützing)Grunow in Cl. & Grun NPAD 2
Staurosirella pinnata (Ehr.) Williams & Round SPIN 2
Achnanthidium subatomoides (Hustedt) Monnier, Lange-Bertalot et Ector ADSO 1
Amphora ovalis (Kützing) Kützing var.ovalis AOVA 1
Bacillaria paxillifera (paxillifer)(O.F. Müller) Hendey var.paxillifera BPAX 1
Cyclotella atomus Hustedt CATO 1
Cyclotella meneghiniana Kützing CMEN 1
Cocconeis pediculus Ehrenberg CPED 1
Cocconeis placentula Ehrenberg var. placentula CPLA 1
Cymbella tumida (Brebisson)Van Heurck CTUM 1
Gyrosigma obtusatum (Sullivan & Wormley) Boyer GYOB 1
Navicula amphiceropsis Lange-Bertalot & Rumrich NAAM 1
Nitzschia fonticola Grunow in Van Heurck NFON 1
Navicula germainii Wallace NGER 1
Navicula gregaria Donkin NGRE 1
Nitzschia gracilis Hantzsch NIGR 1
Nitzschia solita Hustedt NISO 1
NITZSCHIA A.H. Hassall NITZ 1
Navicula kotschyi Grunow NKOT 1
Nitzschia recta Hantzsch in Rabenhorst NREC 1
Navicula rostellata Kützing NROS 1
Nitzschia sociabilis Hustedt NSOC 1
Navicula veneta Kützing NVEN 1
Nitzschia angustatula Lange-Bertalot NZAG 1
Pseudostaurosira parasitica (W.Smith) Morales PPRS 1
Planothidium rostratoholarcticum PROH 1
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 1
Sellaphora atomoides SEAT 1
Stauroneis smithii Grunow SSMI 1
Thalassiosira lacustris (Grunow) Hasle in Hasle & Fryxell THLA 1