You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Superior Twp., Sec. 7. Vorhies Rd. Remove constraint Place: Superior Twp., Sec. 7. Vorhies Rd. Place Washtenaw Remove constraint Place: Washtenaw Topic Ranunculaceae Remove constraint Topic: Ranunculaceae Topic Thalictrum Remove constraint Topic: Thalictrum