You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Merchants Mill Pond, 3 miles northeast of Gatesville Remove constraint Place: Merchants Mill Pond, 3 miles northeast of Gatesville Place North America Remove constraint Place: North America Place North Carolina Remove constraint Place: North Carolina Place USA Remove constraint Place: USA Topic Polytrichaceae Remove constraint Topic: Polytrichaceae Topic Polytrichales Remove constraint Topic: Polytrichales