You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Arcola Creek Lake Metropark; western shoreline of main marsh, just west of observation deck. Remove constraint Place: Arcola Creek Lake Metropark; western shoreline of main marsh, just west of observation deck. Place Lake Remove constraint Place: Lake Place North America Remove constraint Place: North America Topic Plantae Remove constraint Topic: Plantae Topic Poaceae Remove constraint Topic: Poaceae Topic Poales Remove constraint Topic: Poales