You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place North bank of River Huron above city beach, Ann Arbor. Remove constraint Place: North bank of River Huron above city beach, Ann Arbor. Place USA Remove constraint Place: USA Place Washtenaw Remove constraint Place: Washtenaw Topic Asteraceae Remove constraint Topic: Asteraceae Topic Erigeron Remove constraint Topic: Erigeron