Catalogue no.:	L-003461
Taxon:	Rostania occultata (Bagl.) Otálora et al.
Label:	Collema quadratum
Family:	Lichenes
Collector:	A.H. Magnusson
Collector no.:	5186
Date:	1920 08 19
Country:	Sweden
Landskap:	Bohuslän
Socken:	Marstrand
Locality:	Koön
Habitat:	Matrix: willow