TaxonCodeEffectif
Reimeria sinuata (Gregory) Kociolek & Stoermer RSIN 47
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 41
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 39
Achnanthidium rivulare Potapova &Ponader ADRI 38
Cocconeis lineata Ehrenberg CLNT 33
Nitzschia soratensis Morales & Vis NSTS 23
Planothidium lanceolatum(Brebisson ex Kützing) Lange-Bertalot PTLA 19
Navicula gregaria Donkin NGRE 17
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 14
Amphora pediculus (Kützing) Grunow APED 13
Encyonema silesiacum (Bleisch in Rabh.) D.G. Mann ESLE 10
Nitzschia sociabilis Hustedt NSOC 10
Achnanthidium jackii Rabenhorst ADJK 9
Sellaphora nigri SNIG 9
Cocconeis pseudolineata (Geitler) Lange-Bertalot COPL 8
Gomphonema pumilum var. rigidum Reichardt & Lange-Bertalot GPRI 7
Gomphonema pumilum (Grunow) Reichardt & Lange-Bertalot GPUM 7
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 6
Navicula lanceolata (Agardh) Ehrenberg NLAN 6
Gomphonema elegantissimum Reichardt & Lange-Bertalot in Hofmann & al. GELG 4
Meridion circulare (Greville) C.A.Agardh var. circulare MCIR 4
Melosira varians Agardh MVAR 4
Geissleria acceptata (Hust.) Lange-Bertalot & Metzeltin GACC 3
Navicula tripunctata (O.F.Müller) Bory NTPT 3
Achnanthidium pyrenaicum (Hustedt) Kobayasi ADPY 2
Encyonema minutum (Hilse in Rabh.) D.G. Mann in Round Crawford & Mann ENMI 2
Fragilaria gracilis Østrup FGRA 2
Frustulia vulgaris (Thwaites) De Toni FVUL 2
Gomphonema minutum(Ag.)Agardh f. minutum GMIN 2
Gomphonema olivaceum (Hornemann) Brébisson var. olivaceum GOLI 2
Nitzschia amphibia Grunow f.amphibia NAMP 2
Navicula cincta (Ehr.) Ralfs in Pritchard NCIN 2
Nitzschia fruticosa Hustedt NIFT 2
Reimeria uniseriata Sala Guerrero & Ferrario RUNI 2
Achnanthidium subatomus (Hustedt) Lange-Bertalot ADSU 1
Amphora indistincta Levkov AMID 1
Craticula subminuscula CSNU 1
Fragilaria pectinalis (O.F. Müller) Gray FPEC 1
Gyrosigma obtusatum (Sullivan & Wormley) Boyer GYOB 1
Nitzschia palea (Kützing) W.Smith var.debilis(Kützing)Grunow in Cl. & Grun NPAD 1
Navicula reichardtiana Lange-Bertalot var. reichardtiana NRCH 1