Catalogue no.:	A-000041
Taxon:	Didymosphenia geminata (Lyngb.) M.Schmidt
Label:	Gomphonema geminatum
Family:	Bacillariophyta
Collector:	Per Theodor Cleve
Exsiccate:	Cleve & Möller, Diatoms 39
Country:	Sweden
Locality:	Mälaren