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 Calumet Water Works, 4 miles N.W. Calumet Remove constraint Place: Calumet Water Works, 4 miles N.W. Calumet Place Houghton Remove constraint Place: Houghton Place North America Remove constraint Place: North America Place USA Remove constraint Place: USA Topic Ericaceae Remove constraint Topic: Ericaceae Topic Pyrola Remove constraint Topic: Pyrola