You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Language UND Remove constraint Language: UND Place City of Houghton, SW corner Isle Royale & Lake Streets. T55N, R34W, Sec. 36. Remove constraint Place: City of Houghton, SW corner Isle Royale & Lake Streets. T55N, R34W, Sec. 36. Place Michigan Remove constraint Place: Michigan Place North America Remove constraint Place: North America Topic Asteraceae Remove constraint Topic: Asteraceae Topic Sonchus Remove constraint Topic: Sonchus