You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Delta swamp head of McCargoe Cove. Isle Royale, Remove constraint Place: Delta swamp head of McCargoe Cove. Isle Royale, Place Keweenaw Remove constraint Place: Keweenaw Place Michigan Remove constraint Place: Michigan Topic Asteraceae Remove constraint Topic: Asteraceae Topic Symphyotrichum Remove constraint Topic: Symphyotrichum