You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Canada Remove constraint Place: Canada Place North America Remove constraint Place: North America Place SLATE ISLANDS. Patterson Island, in bog on hill east of McGreevy Harbour Remove constraint Place: SLATE ISLANDS. Patterson Island, in bog on hill east of McGreevy Harbour Place no data Remove constraint Place: no data Topic Caloplaca Remove constraint Topic: Caloplaca Topic Lichens Remove constraint Topic: Lichens