You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Language UND Remove constraint Language: UND Place Canada Remove constraint Place: Canada Place L. bank of Spruce R. at first rapids, 7 km SSE of Black Sturgeon Research Station Remove constraint Place: L. bank of Spruce R. at first rapids, 7 km SSE of Black Sturgeon Research Station Place Ontario Remove constraint Place: Ontario Topic Amblystegiaceae Remove constraint Topic: Amblystegiaceae Topic Bryophyta Remove constraint Topic: Bryophyta Topic Calliergon Remove constraint Topic: Calliergon