You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Keweenaw Remove constraint Place: Keweenaw Place Rock Harbor, Isle Royale. Remove constraint Place: Rock Harbor, Isle Royale. Place USA Remove constraint Place: USA Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Polygonaceae Remove constraint Topic: Polygonaceae