Catalogue no.:	V-030690
Taxon:	Sparganium angustifolium Michx. x gramineum
Label:	Sparganium x speirocephalum
Family:	Typhaceae
Collector:	Sigfrid Arnell
Date:	1909 08 18
Country:	Sweden
Landskap:	Dalarna
Socken:	Leksand
Locality:	Styrsjön