Catalogue no.:	V-1178651
Taxon:	Equisetum pratense Ehrh.
Label:	Equisetum pratense
Family:	Equisetaceae
Collector:	E. Alvén
Date:	1951 06 30
Country:	Sweden
Landskap:	Västmanland
Socken:	Irsta
Locality:	Björnön