You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Language UND Remove constraint Language: UND Place Erie Remove constraint Place: Erie Place Lake Pleasant, along west side (upslope side) of fen opening, southwest Venago Twp. Remove constraint Place: Lake Pleasant, along west side (upslope side) of fen opening, southwest Venago Twp. Place North America Remove constraint Place: North America Place Pennsylvania Remove constraint Place: Pennsylvania Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Poales Remove constraint Topic: Poales