Catalogue no.:	V-1142452
Taxon:	Carex nigra subsp. nigra
Label:	Carex gracilis var. tricostata
Family:	Cyperaceae
Collector:	F.O. Westerberg
Date:	1907 05 21
Country:	Sweden
Landskap:	Östergötland
Socken:	Risinge
Locality:	Östtjuten, Björnviken