Catalogue no.:	L-641524
Taxon:	Rhizocarpon geminatum
Label:	Rhizocarpon geminatum
Family:	Lichenes
Collector:	A.H. Magnusson
Collector no.:	5102
Date:	1920 08 18
Country:	Sweden
Landskap:	Bohuslän
Socken:	Valla
Locality:	Låka, Tjörn
Habitat:	On irrigated rocks