TaxonCodeEffectif
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 153
Navicula cryptotenella Lange-Bertalot NCTE 40
Navicula tripunctata (O.F.Müller) Bory NTPT 35
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 32
Amphora pediculus (Kützing) Grunow APED 21
Gomphonema bourbonense E. Reichardt et Lange-Bertalot GBOB 14
Gomphonema pumilum var. rigidum Reichardt & Lange-Bertalot GPRI 14
Navicula capitatoradiata Germain NCPR 8
Navicula gregaria Donkin NGRE 7
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 6
Cocconeis placentula Ehrenberg var. placentula CPLA 5
Sellaphora nigri SNIG 5
Craticula subminuscula CSNU 4
Gomphonema minutum(Ag.)Agardh f. minutum GMIN 4
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 4
Navicula cryptocephala Kützing NCRY 4
Gomphonema pumilum (Grunow) Reichardt & Lange-Bertalot GPUM 3
Melosira varians Agardh MVAR 3
Nitzschia palea (Kützing) W.Smith var. palea NPAL 3
Stephanodiscus hantzschii Grunow in Cleve & Grunow SHAN 3
Cocconeis pseudolineata (Geitler) Lange-Bertalot COPL 2
Cocconeis pediculus Ehrenberg CPED 2
Diatoma vulgaris Bory DVUL 2
ENCYONEMA F.T. Kützing ENCY 2
FRAGILARIA H.C. Lyngbye FRAG 2
Gomphonema olivaceum (Hornemann) Brébisson var. olivaceum GOLI 2
Mayamaea ingenua (Hustedt) Lange-Bertalot & Hofmann in Hofmann & al. MING 2
Nitzschia inconspicua Grunow NINC 2
Navicula reichardtiana Lange-Bertalot var. reichardtiana NRCH 2
Navicula rostellata Kützing NROS 2
Nitzschia sociabilis Hustedt NSOC 2
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 2
Reimeria sinuata (Gregory) Kociolek & Stoermer RSIN 2
Stephanodiscus minutulus (Kützing) Cleve & Moller STMI 2
Achnanthidium delmontii Peres, Le Cohu et Barthes ADMO 1
Achnanthidium druartii Rimet & Couté in Rimet & al. ADRU 1
Amphora indistincta Levkov AMID 1
Discostella pseudostelligera (Hustedt) Houk et Klee DPST 1
Fragilaria microvaucheriae FMIV 1
Gyrosigma sciotense (Sullivan et Wormley) Cleve GSCI 1