You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Ann Arbor Twp., Parker Mill County Park, just north of boardwalk through western leg of park. Remove constraint Place: Ann Arbor Twp., Parker Mill County Park, just north of boardwalk through western leg of park. Place Washtenaw Remove constraint Place: Washtenaw Topic Asterales Remove constraint Topic: Asterales Topic Plantae Remove constraint Topic: Plantae Topic Symphyotrichum Remove constraint Topic: Symphyotrichum