TaxonCodeEffectif
Navicula cryptotenella Lange-Bertalot NCTE 60
Navicula tripunctata (O.F.Müller) Bory NTPT 49
Achnanthidium eutrophilum (Lange-Bertalot)Lange-Bertalot ADEU 31
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 27
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 23
Planothidium lanceolatum(Brebisson ex Kützing) Lange-Bertalot PTLA 21
Navicula reichardtiana Lange-Bertalot var. reichardtiana NRCH 16
Amphora pediculus (Kützing) Grunow APED 15
Gomphonema pumilum var. rigidum Reichardt & Lange-Bertalot GPRI 14
Encyonema ventricosum (Agardh) Grunow in Schmidt & al. ENVE 9
Nitzschia inconspicua Grunow NINC 9
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 9
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 7
Nitzschia amphibia Grunow f.amphibia NAMP 7
Navicula veneta Kützing NVEN 7
Simonsenia delognei Lange-Bertalot SIDE 7
Cocconeis placentula Ehrenberg var. placentula CPLA 6
Craticula subminuscula CSNU 6
Sellaphora nigri SNIG 6
Cocconeis pediculus Ehrenberg CPED 5
Mayamaea permitis (Hustedt) Bruder & Medlin MPMI 5
Amphora indistincta Levkov AMID 4
Amphora ovalis (Kützing) Kützing var.ovalis AOVA 4
SELLAPHORA C. Mereschkowsky SELL 4
Encyonema silesiacum (Bleisch in Rabh.) D.G. Mann ESLE 3
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 3
NAVICULA J.B.M. Bory de St. Vincent NAVI 3
Planothidium rostratoholarcticum PROH 3
Fallacia monoculata (Hustedt) D.G. Mann FMOC 2
Geissleria acceptata (Hust.) Lange-Bertalot & Metzeltin GACC 2
Hippodonta capitata (Ehr.)Lange-Bert.Metzeltin & Witkowski HCAP 2
Kolbesia gessneri (Hustedt) Aboal KGES 2
Navicula cryptocephala Kützing NCRY 2
Navicula caterva Hohn & Hellerman NCTV 2
Nitzschia fonticola Grunow in Van Heurck NFON 2
NITZSCHIA A.H. Hassall NITZ 2
Navicula menisculus Schumann var. menisculus NMEN 2
Navicula trivialis Lange-Bertalot var. trivialis NTRV 2
Nitzschia costei Tudesque, Rimet & Ector NYCO 2
Reimeria uniseriata Sala Guerrero & Ferrario RUNI 2
Sellaphora atomoides SEAT 2
Sellaphora pupula (Kützing) Mereschkowksy SPUP 2
Sellaphora raederae SRAE 2
Craticula molestiformis (Hustedt) Lange-Bertalot CMLF 1
Diploneis krammeri Lange-Bertalot & Reichardt DKRA 1
Gomphonema acidoclinatum Lange-Bertalot & Reichardt GADC 1
Gyrosigma attenuatum (Kützing) Rabenhorst GYAT 1
Navicula antonii Lange-Bertalot NANT 1
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 1
Navicula gregaria Donkin NGRE 1
Nitzschia solita Hustedt NISO 1
Nitzschia palea (Kützing) W.Smith var. palea NPAL 1
Navicula viridula (Kützing) Ehrenberg NVIR 1
Sellaphora subrotundata SSRT 1