TaxonCodeEffectif
Nitzschia fonticola Grunow in Van Heurck NFON 68
Sellaphora nigri SNIG 60
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 46
Fragilaria pararumpens Lange-Bertalot, Hofmann & Werum in Hofmann & al. FPRU 29
Nitzschia amphibia Grunow f.amphibia NAMP 26
Craticula subminuscula CSNU 21
Staurosira binodis Lange-Bertalot in Hofmann Werum & Lange-Bertalot SBND 16
Navicula cryptotenella Lange-Bertalot NCTE 14
Melosira varians Agardh MVAR 9
Nitzschia palea (Kützing) W.Smith var. palea NPAL 9
Nitzschia costei Tudesque, Rimet & Ector NYCO 9
Nitzschia soratensis Morales & Vis NSTS 8
Navicula cryptocephala Kützing NCRY 7
Achnanthidium caravelense Novais et Ector ADCV 6
Diatoma vulgaris Bory DVUL 6
Gomphonema lagenula Kützing GLGN 6
Pseudostaurosira alvareziae Cejudo-Figueras Morales & Ector PALV 6
Pseudostaurosira trainorii Morales PTRN 6
Cocconeis lineata Ehrenberg CLNT 4
Navicula capitatoradiata Germain NCPR 4
Nitzschia paleacea (Grunow) Grunow in van Heurck NPAE 4
Halamphora veneta (Kützing) Levkov HVEN 3
Nitzschia filiformis (W.M.Smith) Van Heurck var. filiformis NFIL 3
Ulnaria ulna (Nitzsch.) Compère UULN 3
Cocconeis pediculus Ehrenberg CPED 2
Diadesmis confervacea Kützing var. confervacea DCOF 2
Denticula kuetzingii Grunow var.kuetzingii DKUE 2
Diatoma vulgaris Bory f. linearis (Grun. in V.Heurck) Bukhtiyarova DVLN 2
Gomphonema minutum(Ag.)Agardh f. minutum GMIN 2
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 2
Navicula germainii Wallace NGER 2
Nitzschia intermedia Hantzsch ex Cleve & Grunow NINT 2
Navicula simulata Manguin NSIA 2
Planothidium lanceolatum(Brebisson ex Kützing) Lange-Bertalot PTLA 2
Sellaphora atomoides SEAT 2
Amphora pediculus (Kützing) Grunow APED 1
Encyonema silesiacum (Bleisch in Rabh.) D.G. Mann ESLE 1
Fistulifera saprophila (Lange-Bertalot & Bonik) Lange-Bertalot FSAP 1
Navicula amphiceropsis Lange-Bertalot & Rumrich NAAM 1
Navicula gregaria Donkin NGRE 1
Navicula lanceolata (Agardh) Ehrenberg NLAN 1