You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Mackinac Remove constraint Place: Mackinac Place Michigan Remove constraint Place: Michigan Place Thuja swamp on Rock River Road 0.6 mi. from Big Knob Road Remove constraint Place: Thuja swamp on Rock River Road 0.6 mi. from Big Knob Road Place USA Remove constraint Place: USA Topic Lichens Remove constraint Topic: Lichens Topic Peltigera Remove constraint Topic: Peltigera