Catalogue no.:	V-030826
Taxon:	Sparganium angustifolium Michx. x gramineum
Label:	Sparganium x speirocephalum
Family:	Typhaceae
Collector:	Herman Svenonius
Date:	1922 07 27
Country:	Sweden
Landskap:	Norrbotten
Socken:	Luleå
Locality:	Luleå, Kvarnträsk