Catalogue no.:	L-1215643
Taxon:	Arthonia ruana A.Massal
Label:	Arthothelium ruanideum
Family:	Lichenes
Collector:	C.F.E. Erichsen
Date:	1936 06 06
Country:	Germany
Province:	Schleswig-Holstein
Locality:	Krs Schleswig, im Kahlebyer Kirchinholz
Habitat:	An Eichen