You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Michigan Remove constraint Place: Michigan Place Near Houghton. Remove constraint Place: Near Houghton. Topic Asparagales Remove constraint Topic: Asparagales Topic Orchidaceae Remove constraint Topic: Orchidaceae Topic Platanthera Remove constraint Topic: Platanthera