Catalogue no.:	L-003434
Taxon:	Collema nigrescens
Label:	Collema rupestre
Family:	Lichenes
Collector:	H. Magnusson
Date:	1917 06 03
Country:	Sweden
Landskap:	Västergötland
Socken:	Erska
Locality:	Grävsnäs
Habitat:	cortex Tiliae