You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Creighton Marsh, T46N, R16W, NE1/4 SW1/4 NE1/4 sec.12 Remove constraint Place: Creighton Marsh, T46N, R16W, NE1/4 SW1/4 NE1/4 sec.12 Topic Rhynchospora Remove constraint Topic: Rhynchospora