TaxonCodeEffectif
Gomphonema minutum(Ag.)Agardh f. minutum GMIN 106
Nitzschia soratensis Morales & Vis NSTS 80
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot RABB 57
Navicula cryptotenella Lange-Bertalot NCTE 30
Nitzschia amphibia Grunow f.amphibia NAMP 18
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 12
Cocconeis pediculus Ehrenberg CPED 11
Melosira varians Agardh MVAR 9
Reimeria sinuata (Gregory) Kociolek & Stoermer RSIN 8
Cocconeis placentula Ehrenberg var. placentula CPLA 7
Cocconeis placentula Ehrenberg var.lineata (Ehr.)Van Heurck CPLI 7
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 6
Diatoma vulgaris Bory DVUL 6
Navicula tripunctata (O.F.Müller) Bory NTPT 6
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 6
Sellaphora atomoides SEAT 6
Cocconeis pseudolineata (Geitler) Lange-Bertalot COPL 4
Mayamaea permitis (Hustedt) Bruder & Medlin MPMI 4
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 4
Achnanthidium subatomus (Hustedt) Lange-Bertalot ADSU 2
Gomphonema tergestinum (Grunow in Van Heurck) Schmidt in Schmidt & al. GTER 2
Nitzschia fonticola Grunow in Van Heurck NFON 2
Navicula lanceolata (Agardh) Ehrenberg NLAN 2
Nitzschia paleacea (Grunow) Grunow in van Heurck NPAE 2
Platessa bahlsii Potapova PBAH 2
Nitzschia recta Hantzsch in Rabenhorst NREC 1