Catalogue no.:	V-1112915
Taxon:	Potamogeton pectinatus L.
Label:	Potamogeton zosteraceus Fr.
Family:	Potamogetonaceae
Collector:	Ewald Ährling
Date:	1857 07
Country:	Sweden
Landskap:	Södermanland
Socken:	Utö
Locality:	Stockholms skärgård, Utö gruva