Catalogue no.:	V-1114368
Taxon:	Potamogeton praelongus Wulfen
Label:	Potamogeton praelongus Wulfen
Family:	Potamogetonaceae
Collector:	Erik Almquist
Date:	1920 07 29
Country:	Sweden
Landskap:	Dalarna
Socken:	Stora Tuna
Locality:	Tjärnasjön