You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Iowa Remove constraint Place: Iowa Place Muscatine Remove constraint Place: Muscatine Place North America Remove constraint Place: North America Place South of Muscatine on Pettibone Road, along the floodplain of the Mississippi River. Remove constraint Place: South of Muscatine on Pettibone Road, along the floodplain of the Mississippi River. Topic Cyperaceae Remove constraint Topic: Cyperaceae Topic Plantae Remove constraint Topic: Plantae Topic Poales Remove constraint Topic: Poales