You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Jackpine-aspen woods along Crow Lake Trail c. 2.5 mi from Big Knob Campground Remove constraint Place: Jackpine-aspen woods along Crow Lake Trail c. 2.5 mi from Big Knob Campground Topic Lichens Remove constraint Topic: Lichens