Catalogue no.:	V-1114370
Taxon:	Potamogeton praelongus Wulfen
Label:	Potamogeton praelongus Wulfen
Family:	Potamogetonaceae
Collector:	Erik Almquist
Date:	1919 07 22
Country:	Sweden
Landskap:	Dalarna
Socken:	Järna
Locality:	Arvsnisstjärn