Catalogue no.:	L-1215649
Taxon:	Arthonia ruana A.Massal
Label:	Arthothelium ruanideum
Family:	Lichenes
Collector:	A.H. Magnusson
Collector no.:	24946
Date:	1957 06 22
Country:	Switzerland
Province:	Solothurn
Locality:	N of Laufen, Dittingen
Habitat:	On Alnus