You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Crescent Island Trail, near exit of lower parking lot, Mo. Bot. Garden Arboretum, Gray Summit Remove constraint Place: Crescent Island Trail, near exit of lower parking lot, Mo. Bot. Garden Arboretum, Gray Summit