Catalogue no.:	L-1215644
Taxon:	Arthonia ruana A.Massal
Label:	Arthothelium ruanideum
Family:	Lichenes
Collector:	C.F.E. Erichsen
Date:	1936 11 22
Country:	Germany
Province:	Niedersachsen
Locality:	Krs Stade, Braken bei Harsefeld