TaxonCodeEffectif
Sellaphora atomoides SEAT 47
Amphora pediculus (Kützing) Grunow APED 40
Sellaphora nigri SNIG 36
Simonsenia delognei Lange-Bertalot SIDE 35
Navicula vilaplanii(Lange-Bert. & Sabater) Lange-Bertalot & Sabater in Rumrich & al. NVIP 28
Nitzschia amphibia Grunow f.amphibia NAMP 20
Navicula tripunctata (O.F.Müller) Bory NTPT 16
Eolimna Comperei Ector Coste et Iserentant in Coste & Ector EOCO 14
Halamphora montana (Krasske) Levkov HLMO 14
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 14
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 13
Pseudofallacia monoculata (Hustedt) Liu Kociolek & Wang PMOC 13
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 11
Caloneis bacillum (Grunow) Cleve CBAC 9
Nitzschia sociabilis Hustedt NSOC 8
Sellaphora saugerresii SSGE 8
Navicula cryptotenella Lange-Bertalot NCTE 6
Navicula veneta Kützing NVEN 6
Amphora inariensis Krammer AINA 5
Mayamaea permitis (Hustedt) Bruder & Medlin MPMI 5
NITZSCHIA A.H. Hassall NITZ 5
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 3
Humidophila contenta HUCO 3
Navicula antonii Lange-Bertalot NANT 3
Navicula trivialis Lange-Bertalot var. trivialis NTRV 3
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 3
Adlafia minuscula var. muralis (Grunow) Lange-Bertalot ADMM 2
Gyrosigma sciotense (Sullivan et Wormley) Cleve GSCI 2
Navicula cari Ehrenberg NCAR 2
Navicula cryptocephala Kützing NCRY 2
Naviculadicta absoluta (Hustedt) Lange-Bertalot in Lange-Bertalot & Moser NDAB 2
Nitzschia graciliformis Lange-Bertalot & Simonsen NIGF 2
Nitzschia perminuta (Grunow) M.Peragallo NIPM 2
Nitzschia recta Hantzsch in Rabenhorst NREC 2
Planothidium rostratoholarcticum PROH 2
Sellaphora joubaudii (Germain) Aboal SJOU 2
Tryblionella debilis Arnott ex O'Meara TDEB 2
Amphora copulata (Kütz) Schoeman & Archibald ACOP 1
Craticula molestiformis (Hustedt) Lange-Bertalot CMLF 1
Fallacia pygmaea (Kützing) Stickle & Mann ssp.pygmaea in Lange-Bertalot & al FPYG 1
Nitzschia fonticola Grunow in Van Heurck NFON 1
Navicula germainii Wallace NGER 1
Nitzschia gracilis Hantzsch NIGR 1
Navicula kotschyi Grunow NKOT 1
Navicula simulata Manguin NSIA 1
Navicula tenelloides Hustedt NTEN 1
Planothidium lanceolatum(Brebisson ex Kützing) Lange-Bertalot PTLA 1
Tryblionella angustatula TATU 1
TRYBLIONELLA W. Smith TRYB 1