TaxonCodeEffectif
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 108
Navicula capitatoradiata Germain NCPR 35
Navicula cryptotenella Lange-Bertalot NCTE 28
Gomphonema minutum(Ag.)Agardh f. minutum GMIN 26
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 18
Navicula tripunctata (O.F.Müller) Bory NTPT 15
Melosira varians Agardh MVAR 14
Cocconeis placentula Ehrenberg var. placentula CPLA 13
Gomphonema pumilum var. rigidum Reichardt & Lange-Bertalot GPRI 13
Gomphonema lagenula Kützing GLGN 11
Navicula trivialis Lange-Bertalot var. trivialis NTRV 11
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 11
Navicula cryptocephala Kützing NCRY 9
Amphora pediculus (Kützing) Grunow APED 7
Navicula germainii Wallace NGER 6
Nitzschia palea (Kützing) W.Smith var.debilis(Kützing)Grunow in Cl. & Grun NPAD 6
Nitzschia palea (Kützing) W.Smith var. palea NPAL 6
Achnanthidium delmontii Peres, Le Cohu et Barthes ADMO 5
Navicula cataracta-rheni Lange-Bertalot NCTT 5
Sellaphora nigri SNIG 5
Cocconeis pediculus Ehrenberg CPED 4
Fistulifera saprophila (Lange-Bertalot & Bonik) Lange-Bertalot FSAP 4
Gyrosigma sciotense (Sullivan et Wormley) Cleve GSCI 4
Navicula antonii Lange-Bertalot NANT 4
Navicula reichardtiana Lange-Bertalot var. reichardtiana NRCH 4
Fragilaria pararumpens Lange-Bertalot, Hofmann & Werum in Hofmann & al. FPRU 3
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 3
Ulnaria acus (Kützing) Aboal UACU 3
Ulnaria ulna (Nitzsch.) Compère UULN 3
Gomphonema olivaceum (Hornemann) Brébisson var. olivaceum GOLI 2
Hippodonta capitata (Ehr.)Lange-Bert.Metzeltin & Witkowski HCAP 2
Navicula vilaplanii(Lange-Bert. & Sabater) Lange-Bertalot & Sabater in Rumrich & al. NVIP 2
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 2
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 1
Craticula subminuscula CSNU 1
Encyonema ventricosum (Agardh) Grunow in Schmidt & al. ENVE 1
Encyonema silesiacum (Bleisch in Rabh.) D.G. Mann ESLE 1
Fragilaria gracilis Østrup FGRA 1
Fallacia subhamulata (Grunow in V. Heurck) D.G. Mann FSBH 1
Kolbesia gessneri (Hustedt) Aboal KGES 1
Nitzschia amphibia Grunow f.amphibia NAMP 1
Nitzschia fonticola Grunow in Van Heurck NFON 1
Navicula gregaria Donkin NGRE 1
Nitzschia palea (Kützing) W.Smith var.tenuirostris Grunow in V. Heurck NPAT 1
Nitzschia solgensis Cleve-Euler NSOL 1
Nitzschia subacicularis Hustedt in A.Schmidt et al. NSUA 1
Planothidium rostratoholarcticum PROH 1
Sellaphora atomoides SEAT 1
Surirella lacrimula English SLAC 1