Catalogue no.:	L-1205069
Taxon:	Chrysothrix caesia (Flot. ex Körb.) Ertz & Tehler
Label:	Arthonia caesia
Family:	Lichenes
Collector:	H.A. Imshaug
Collector no.:	20907
Date:	1957 09
Country:	United States
Province:	Michigan
District:	Allegan
Locality:	N of Dunningville
Habitat:	Open field in upland. On hickory tree