Catalogue no.:	V-1177064
Taxon:	Equisetum arvense L.
Label:	Equisetum arvense f. riparium
Family:	Equisetaceae
Collector:	Tycho Vestergren
Date:	1916 08 19
Country:	Sweden
Landskap:	Hälsingland
Socken:	Hassela
Locality:	Björnholmen i Hasselasjön