Catalogue no.:	V-1114840
Taxon:	Potamogeton berchtoldii Fieber
Label:	Potamogeton pusillus var. tenuissimus f. gracilis
Family:	Potamogetonaceae
Collector:	Gustaf Tiselius
Exsiccate:	Tiselius, Potamog. Scand. 21c
Date:	1882 07 10
Country:	Sweden
Landskap:	Uppland
Socken:	Uppsala
Locality:	Ultuna, dammen i botaniska trädgården