You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Raspberry Island, Rock Harbor, Isle Royale Remove constraint Place: Raspberry Island, Rock Harbor, Isle Royale Topic Bryophyta Remove constraint Topic: Bryophyta Topic Plantae Remove constraint Topic: Plantae Topic Sphagnaceae Remove constraint Topic: Sphagnaceae Topic Sphagnum Remove constraint Topic: Sphagnum