TaxonCodeEffectif
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 45
Gomphonema olivaceum (Hornemann) Brébisson var. olivaceum GOLI 39
Fragilaria perminuta (Grunow) Lange-Bertalot FPEM 25
Navicula cryptocephala Kützing NCRY 23
Achnanthidium minutissimum (Kützing) Czarnecki ADMI 21
Amphora pediculus (Kützing) Grunow APED 20
Encyonema ventricosum (Agardh) Grunow in Schmidt & al. ENVE 15
Achnanthidium delmontii Peres, Le Cohu et Barthes ADMO 13
Achnanthidium pyrenaicum (Hustedt) Kobayasi ADPY 11
Gomphonema pumilum var. rigidum Reichardt & Lange-Bertalot GPRI 11
Navicula trivialis Lange-Bertalot var. trivialis NTRV 10
Encyonema silesiacum (Bleisch in Rabh.) D.G. Mann ESLE 9
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 9
Aulacoseira ambigua (Grunow) Simonsen AAMB 8
Achnanthidium rivulare Potapova &Ponader ADRI 8
Nitzschia fonticola Grunow in Van Heurck NFON 8
Encyonema minutum (Hilse in Rabh.) D.G. Mann in Round Crawford & Mann ENMI 7
Sellaphora saugerresii SSGE 7
Gomphonema elegantissimum Reichardt & Lange-Bertalot in Hofmann & al. GELG 5
Melosira varians Agardh MVAR 5
Nitzschia dissipata (Kützing) Grunow ssp.dissipata NDIS 5
Staurosira venter (Ehr.) Cleve & Moeller SSVE 5
Ulnaria ulna (Nitzsch.) Compère UULN 5
Encyonopsis minuta Krammer & Reichardt ECPM 4
Encyonopsis subminuta Krammer & Reichardt ESUM 4
Mayamaea permitis (Hustedt) Bruder & Medlin MPMI 4
Navicula cryptotenella Lange-Bertalot NCTE 4
Navicula tripunctata (O.F.Müller) Bory NTPT 4
Cymbella affinis Kützing var.affinis CAFF 3
Discostella pseudostelligera (Hustedt) Houk et Klee DPST 3
Diatoma vulgaris Bory DVUL 3
Fragilaria pararumpens Lange-Bertalot, Hofmann & Werum in Hofmann & al. FPRU 3
Nitzschia palea (Kützing) W.Smith var.debilis(Kützing)Grunow in Cl. & Grun NPAD 3
Nitzschia palea (Kützing) W.Smith var. palea NPAL 3
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 3
Surirella lacrimula English SLAC 3
Cymbella excisiformis Krammer var.excisiformis CEXF 2
Craticula subminuscula CSNU 2
Fragilaria gracilis Østrup FGRA 2
Gomphonema bourbonense E. Reichardt et Lange-Bertalot GBOB 2
Gomphonema micropus Kützing var. micropus GMIC 2
Gomphonema truncatum Ehr. GTRU 2
Gyrosigma obtusatum (Sullivan & Wormley) Boyer GYOB 2
Navicula capitatoradiata Germain NCPR 2
Navicula escambia (Patrick) Metzeltin & Lange-Bertalot NESC 2
Navicula gregaria Donkin NGRE 2
Nitzschia costei Tudesque, Rimet & Ector NYCO 2
Sellaphora nigri SNIG 2
Achnanthidium atomoides Monnier, Lange-Bertalot & Ector ADAM 1
Achnanthidium catenatum (Bily & Marvan) Lange-Bertalot ADCT 1
Achnanthidium druartii Rimet & Couté in Rimet & al. ADRU 1
Amphora macedoniensis Nagumo AMCD 1
Cyclostephanos invisitatus(Hohn & Hellerman)Theriot Stoermer & Hakansson CINV 1
Caloneis lancettula (Schulz) Lange-Bertalot & Witkowski CLCT 1
Cocconeis lineata Ehrenberg CLNT 1
Denticula tenuis Kützing DTEN 1
Fragilaria nevadensis Lineares-Cuesta & Sanchez-Castillo FNEV 1
Fistulifera saprophila (Lange-Bertalot & Bonik) Lange-Bertalot FSAP 1
Gomphonema lagenula Kützing GLGN 1
Gomphonema mexicanum Grunow GMEX 1
Meridion circulare (Greville) C.A.Agardh var. circulare MCIR 1
Nitzschia amphibia Grunow f.amphibia NAMP 1
Nitzschia sociabilis Hustedt NSOC 1
Planothidium lanceolatum(Brebisson ex Kützing) Lange-Bertalot PTLA 1
Sellaphora atomoides SEAT 1
Sellaphora laevissima (Kützing) D.G. Mann SELA 1
Sellaphora pupula (Kützing) Mereschkowksy SPUP 1