Catalogue no.:	B-688898
Taxon:	Mesoptychia collaris (Nees) L.Söderstr. & Váňa
Label:	Jungermannia muelleri
Family:	Hepaticae
Collector:	H.W. Arnell
Date:	1917 06 02
Country:	Sweden
Landskap:	Uppland
Socken:	Djurö
Locality:	Munkön
Habitat:	Kalkklippor