You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Ann Arbor, Bird Hills Nature Area. Along trail SW from Bird Rd. entrance. Remove constraint Place: Ann Arbor, Bird Hills Nature Area. Along trail SW from Bird Rd. entrance. Place North America Remove constraint Place: North America Place Washtenaw Remove constraint Place: Washtenaw Topic Plantae Remove constraint Topic: Plantae Topic Rhamnus Remove constraint Topic: Rhamnus