You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place L. bank of Spruce River, just below first rapids, 7 km SSE of Black Sturgeon Research Station. Remove constraint Place: L. bank of Spruce River, just below first rapids, 7 km SSE of Black Sturgeon Research Station. Topic Hypnaceae Remove constraint Topic: Hypnaceae