Catalogue no.:	V-031000
Taxon:	Sparganium angustifolium Michx. x gramineum
Label:	Sparganium natans
Family:	Typhaceae
Collector:	A.J. Douhan
Date:	1894 07 29
Country:	Sweden
Landskap:	Hälsingland
Socken:	Ljusdal
Locality:	Viksjön