You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Aetna Twp. Sec 32 cen1/4 T13N, R10W Along dry 2 track through prairie remnant 4 mi. west of Morley Remove constraint Place: Aetna Twp. Sec 32 cen1/4 T13N, R10W Along dry 2 track through prairie remnant 4 mi. west of Morley Topic Polygonaceae Remove constraint Topic: Polygonaceae