You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place "Wilderness Arboretum," ca 14 mi. NW of Bad Axe (A tract of 120 acres of alternating sand ridges and shallow swales in sec 7, Hume Township.) Remove constraint Place: "Wilderness Arboretum," ca 14 mi. NW of Bad Axe (A tract of 120 acres of alternating sand ridges and shallow swales in sec 7, Hume Township.) Topic Poaceae Remove constraint Topic: Poaceae