TaxonCodeEffectif
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 70
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 57
Achnanthidium pyrenaicum (Hustedt) Kobayasi ADPY 40
Achnanthidium delmontii Peres, Le Cohu et Barthes ADMO 37
Cymbella affinis Kützing var.affinis CAFF 31
Ulnaria ulna (Nitzsch.) Compère UULN 21
Achnanthidium eutrophilum (Lange-Bertalot)Lange-Bertalot ADEU 17
Navicula cryptotenella Lange-Bertalot NCTE 14
Achnanthidium latecephalum Kobayasi ADLA 13
Navicula caterva Hohn & Hellerman NCTV 10
Reimeria sinuata (Gregory) Kociolek & Stoermer RSIN 9
Nitzschia fonticola Grunow in Van Heurck NFON 8
Encyonopsis microcephala (Grunow) Krammer ENCM 6
Nitzschia palea (Kützing) W.Smith var. palea NPAL 6
Nitzschia palea (Kützing) W.Smith var.debilis(Kützing)Grunow in Cl. & Grun NPAD 5
Achnanthidium exile (Kützing) Heiberg ADEX 4
Achnanthidium catenatum (Bily & Marvan) Lange-Bertalot ADCT 4
Navicula capitatoradiata Germain NCPR 4
Encyonema leibleinii (C.Agardh) Silva, Jahn Ludwig & Menezes ELEI 4
Navicula antonii Lange-Bertalot NANT 4
Discostella pseudostelligera DPSG 4
Navicula tripunctata (O.F.Müller) Bory NTPT 3
Navicula rostellata Kützing NROS 3
CYMBELLA C.Agardh CYMB 2
Encyonema ventricosum (Agardh) Grunow in Schmidt & al. ENVE 2
Navicula reichardtiana Lange-Bertalot var. reichardtiana NRCH 2
Cocconeis pediculus Ehrenberg CPED 2
Nitzschia archibaldii Lange-Bertalot NIAR 2
Ulnaria acus (Kützing) Aboal UACU 2
Geissleria decussis(Ostrup) Lange-Bertalot & Metzeltin GDEC 2
Navicula cryptocephala Kützing NCRY 2
Planothidium rostratoholarcticum PROH 2
Cymbella neoleptoceros Krammer var. neoleptoceros CNLP 2
Encyonopsis subminuta Krammer & Reichardt ESUM 2
Gomphonema truncatum Ehr. GTRU 2
Navicula germainii Wallace NGER 1
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 1
Diatoma vulgaris Bory DVUL 1
Nitzschia inconspicua Grunow NINC 1