TaxonCodeEffectif
Achnanthidium hoffmannii Van de Vijver, Ector, Mertens & Jarlman AHOF 214
Melosira varians Agardh MVAR 31
Cocconeis lineata Ehrenberg CLNT 19
Gomphonema rhombicum M. Schmidt GRHB 17
Fragilaria pararumpens Lange-Bertalot, Hofmann & Werum in Hofmann & al. FPRU 15
Sellaphora atomoides SEAT 14
Encyonema silesiacum (Bleisch in Rabh.) D.G. Mann ESLE 13
Fragilaria pectinalis (O.F. Müller) Gray FPEC 11
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 9
Achnanthidium subhudsonis (Hustedt) H. Kobayasi ADSH 8
Nitzschia recta Hantzsch in Rabenhorst NREC 6
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 5
Nitzschia acidoclinata Lange-Bertalot NACD 5
Navicula cryptotenella Lange-Bertalot NCTE 5
Navicula lanceolata (Agardh) Ehrenberg NLAN 4
Fragilaria gracilis Østrup FGRA 3
Nitzschia archibaldii Lange-Bertalot NIAR 3
Achnanthidium subatomoides (Hustedt) Monnier, Lange-Bertalot et Ector ADSO 2
Encyonema minutum (Hilse in Rabh.) D.G. Mann in Round Crawford & Mann ENMI 2
Gomphonema truncatum Ehr. GTRU 2
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 2
Navicula exilis Kützing NEXI 2
Navicula gregaria Donkin NGRE 2
Nitzschia palea (Kützing) W.Smith var. palea NPAL 2
Sellaphora nigri SNIG 2
Achnanthidium bioretii (Germain) Edlund ABRT 1
Meridion circulare (Greville) C.A.Agardh var. circulare MCIR 1
Pseudostaurosira brevistriata (Grun.in Van Heurck) Williams & Round PSBR 1
Surirella lacrimula English SLAC 1
Stauroneis thermicola (Petersen) Lund STHE 1