TaxonCodeEffectif
Navicula cryptotenella Lange-Bertalot NCTE 54
Amphora pediculus (Kützing) Grunow APED 53
Sellaphora nigri SNIG 38
Nitzschia sociabilis Hustedt NSOC 36
Achnanthidium druartii Rimet & Couté in Rimet & al. ADRU 17
NITZSCHIA A.H. Hassall NITZ 16
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 15
Navicula rostellata Kützing NROS 15
Simonsenia delognei Lange-Bertalot SIDE 14
Amphora macedoniensis Nagumo AMCD 12
Nitzschia palea (Kützing) W.Smith var. palea NPAL 12
Pseudostaurosira brevistriata (Grun.in Van Heurck) Williams & Round PSBR 10
Nitzschia fonticola Grunow in Van Heurck NFON 9
Gyrosigma sciotense (Sullivan et Wormley) Cleve GSCI 8
Navicula caterva Hohn & Hellerman NCTV 8
Amphora indistincta Levkov AMID 7
Bacillaria paxillifera (paxillifer)(O.F. Müller) Hendey var.paxillifera BPAX 7
Discostella pseudostelligera DPSG 6
Navicula tripunctata (O.F.Müller) Bory NTPT 6
Cocconeis pediculus Ehrenberg CPED 5
Nitzschia microcephala Grunow in Cleve & Moller NMIC 5
Fallacia subhamulata (Grunow in V. Heurck) D.G. Mann FSBH 4
Melosira varians Agardh MVAR 4
Navicula lanceolata (Agardh) Ehrenberg NLAN 4
Navicula reichardtiana Lange-Bertalot var. reichardtiana NRCH 4
Planothidium rostratoholarcticum PROH 4
Nitzschia inconspicua Grunow NINC 3
Achnanthidium eutrophilum (Lange-Bertalot)Lange-Bertalot ADEU 2
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 2
Diploneis oculata (Brebisson in Desmazières) Cleve DOCU 2
Fallacia mitis (Hustedt) D.G.Mann FMIT 2
Gomphonema italicum Kützing GITA 2
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 2
Navicula antonii Lange-Bertalot NANT 2
Nitzschia linearis(Agardh) W.M.Smith var.linearis NLIN 2
Nitzschia recta Hantzsch in Rabenhorst NREC 2
Navicula simulata Manguin NSIA 2
Punctastriata lancettula (Schumann) Hamilton & Siver PULA 2
Reimeria sinuata (Gregory) Kociolek & Stoermer RSIN 2
Nitzschia soratensis Morales & Vis NSTS 1