You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Islands and shore of Northern Lake Huron; Providence Bay, Manitoulin Island. Remove constraint Place: Islands and shore of Northern Lake Huron; Providence Bay, Manitoulin Island. Place Ontario Remove constraint Place: Ontario Topic Orthotrichaceae Remove constraint Topic: Orthotrichaceae Topic Orthotrichum Remove constraint Topic: Orthotrichum