You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Language UND Remove constraint Language: UND Place Northwood Fen on NW side of Expressway, Thunder Bay City. Remove constraint Place: Northwood Fen on NW side of Expressway, Thunder Bay City. Place Thunder Bay Remove constraint Place: Thunder Bay Topic Cyperaceae Remove constraint Topic: Cyperaceae Topic Eleocharis Remove constraint Topic: Eleocharis Type still image Remove constraint Type: still image