You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Michigan Remove constraint Place: Michigan Place North America Remove constraint Place: North America Place north of park headquarters, Sand Point. sec. 19 T47N R18W Remove constraint Place: north of park headquarters, Sand Point. sec. 19 T47N R18W Topic Agrostis Remove constraint Topic: Agrostis Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Poales Remove constraint Topic: Poales