Catalogue no.:	L-002437
Taxon:	Arthonia ruana A.Massal
Label:	Arthothelium ruanum
Family:	Lichenes
Collector:	Rolf Santesson
Collector no.:	15376
Date:	1963 04 14
Country:	Sweden
Landskap:	Uppland
Socken:	Vänge
Locality:	Fiby urskog, at the stream Fibyån, below Dämmet
Habitat:	In a dark mixed forest. On Corylus avellana