TaxonCodeEffectif
Navicula cryptotenella Lange-Bertalot NCTE 71
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 40
Melosira varians Agardh MVAR 31
Amphora pediculus (Kützing) Grunow APED 23
Navicula capitatoradiata Germain NCPR 20
Navicula tripunctata (O.F.Müller) Bory NTPT 19
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 18
Ulnaria ulna (Nitzsch.) Compère UULN 18
Navicula gregaria Donkin NGRE 17
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 13
Encyonema prostratum (Berkeley) Kützing EPRO 9
Sellaphora crassulexigua SCRA 8
Achnanthidium eutrophilum (Lange-Bertalot)Lange-Bertalot ADEU 7
Surirella helvetica Brun SHEL 7
Sellaphora nigri SNIG 7
Gomphonema minutum(Ag.)Agardh f. minutum GMIN 6
Gyrosigma acuminatum (Kützing)Rabenhorst GYAC 6
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 5
Hippodonta capitata (Ehr.)Lange-Bert.Metzeltin & Witkowski HCAP 5
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 5
Fallacia helensis (Schulz.) D.G. Mann FHEL 4
Nitzschia recta Hantzsch in Rabenhorst NREC 4
Sellaphora atomoides SEAT 4
Gyrosigma sciotense (Sullivan et Wormley) Cleve GSCI 3
Nitzschia bergii Cleve-Euler NBRG 3
Nitzschia heufleriana Grunow NHEU 3
Navicula lanceolata (Agardh) Ehrenberg NLAN 3
Nitzschia sigmoidea (Nitzsch)W. Smith NSIO 3
Navicula trivialis Lange-Bertalot var. trivialis NTRV 3
Achnanthidium hoffmannii Van de Vijver, Ector, Mertens & Jarlman AHOF 2
Amphora macedoniensis Nagumo AMCD 2
Cymbella lanceolata (Agardh ?)Agardh var.lanceolata CLAN 2
Encyonema triangulum (Ehrenberg) Kützing ENTR 2
Fallacia subhamulata (Grunow in V. Heurck) D.G. Mann FSBH 2
Gomphonema pumilum var. rigidum Reichardt & Lange-Bertalot GPRI 2
Navicula cryptocephala Kützing NCRY 2
Navicula vilaplanii(Lange-Bert. & Sabater) Lange-Bertalot & Sabater in Rumrich & al. NVIP 2
Reimeria sinuata (Gregory) Kociolek & Stoermer RSIN 2
Tryblionella kuetzingii TKUE 2
Achnanthidium druartii Rimet & Couté in Rimet & al. ADRU 1
Amphora ovalis (Kützing) Kützing var.ovalis AOVA 1
Cocconeis pediculus Ehrenberg CPED 1
Cymatopleura solea (Brebisson in Breb. & Godey) W.Smith var.solea CSOL 1
Encyonema ventricosum (Agardh) Grunow in Schmidt & al. ENVE 1
Gyrosigma attenuatum (Kützing) Rabenhorst GYAT 1
Hantzschia amphioxys (Ehr.) Grunow in Cleve et Grunow 1880 HAMP 1
Mayamaea atomus var. alcimonica (Reichardt) Reichardt MAAL 1
Navicula antonii Lange-Bertalot NANT 1
Nitzschia capitellata Hustedt in A.Schmidt & al. NCPL 1
Nitzschia filiformis (W.M.Smith) Van Heurck var. filiformis NFIL 1
Nitzschia paleaeformis Hustedt NIPF 1
Nitzschia paleacea (Grunow) Grunow in van Heurck NPAE 1
Nitzschia palea (Kützing) W.Smith var. palea NPAL 1
Nitzschia sinuata (Thwaites) Grunow var.tabellaria (Grunow) Grunow in Van Heurck NSIT 1
Nitzschia vermicularis (Kützing) Hantzsch in Rabenhorst NVER 1
Pseudofallacia monoculata (Hustedt) Liu Kociolek & Wang PMOC 1
Simonsenia delognei Lange-Bertalot SIDE 1
Surirella lacrimula English SLAC 1