You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Grassy opening on summit of bluff, West Bluff. Remove constraint Place: Grassy opening on summit of bluff, West Bluff. Place Keweenaw Remove constraint Place: Keweenaw Place North America Remove constraint Place: North America Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Malpighiales Remove constraint Topic: Malpighiales Topic Salicaceae Remove constraint Topic: Salicaceae