You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Language UND Remove constraint Language: UND Place Edwin S. George Reserve, in ditch connecting Fishhook Marsh with Crane Pond, Grid F-11. Remove constraint Place: Edwin S. George Reserve, in ditch connecting Fishhook Marsh with Crane Pond, Grid F-11. Place USA Remove constraint Place: USA Topic Alismatales Remove constraint Topic: Alismatales Topic Spirodela Remove constraint Topic: Spirodela