TaxonCodeEffectif
Gomphonema rhombicum M. Schmidt GRHB 74
Achnanthidium hoffmannii Van de Vijver, Ector, Mertens & Jarlman AHOF 59
Cocconeis lineata Ehrenberg CLNT 56
Sellaphora atomoides SEAT 51
Achnanthidium rivulare Potapova &Ponader ADRI 20
Achnanthidium subatomoides (Hustedt) Monnier, Lange-Bertalot et Ector ADSO 19
Sellaphora nigri SNIG 15
Navicula exilis Kützing NEXI 12
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 12
Planothidium lanceolatum(Brebisson ex Kützing) Lange-Bertalot PTLA 12
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 11
Reimeria sinuata (Gregory) Kociolek & Stoermer RSIN 8
Platessa oblongella POBL 7
Navicula cryptocephala Kützing NCRY 6
Nitzschia perminuta (Grunow) M.Peragallo NIPM 5
Planothidium granum (Hohn & Hellerman) Lange-Bertalot PGRN 5
Diatoma mesodon (Ehrenberg) Kützing DMES 4
Fragilaria pararumpens Lange-Bertalot, Hofmann & Werum in Hofmann & al. FPRU 3
Aulacoseira tethera Haworth AUTE 2
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 2
Navicula angusta Grunow NAAN 2
Nitzschia fonticola Grunow in Van Heurck NFON 2
Navicula lanceolata (Agardh) Ehrenberg NLAN 2
Nitzschia palea (Kützing) W.Smith var. palea NPAL 2
Achnanthidium subhudsonis (Hustedt) H. Kobayasi ADSH 1
Encyonema ventricosum (Agardh) Grunow in Schmidt & al. ENVE 1
Fragilaria gracilis Østrup FGRA 1
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 1
Navicula gregaria Donkin NGRE 1
Navicula rhynchocephala Kützing NRHY 1
Nitzschia soratensis Morales & Vis NSTS 1
Nupela lapidosa (Lange-Bertalot) Lange-Bertalot var.lapidosa NULA 1
Reimeria uniseriata Sala Guerrero & Ferrario RUNI 1