Catalogue no.:	V-1114360
Taxon:	Potamogeton praelongus Wulfen
Label:	Potamogeton praelongus f. elegans
Family:	Potamogetonaceae
Collector:	Gustaf Tiselius
Exsiccate:	Tiselius, Potamog. Scand. 200
Date:	1899 07 19
Country:	Sweden
Landskap:	Uppland
Socken:	Stockholm
Locality:	Stockholm, in media urbe, flumine Norrtröm ad ponten Norrbo