You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Massachusetts Remove constraint Place: Massachusetts Place Summit of Mt. Greylock, 5 miles SSW of North Adams Remove constraint Place: Summit of Mt. Greylock, 5 miles SSW of North Adams Topic Bryophyta Remove constraint Topic: Bryophyta Topic Ceratodon Remove constraint Topic: Ceratodon Topic Dicranales Remove constraint Topic: Dicranales