You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Houghton Lake Wildlife Research Area (Porter Ranch), ca. 6 km. SW of Houghton Lake. Remove constraint Place: Houghton Lake Wildlife Research Area (Porter Ranch), ca. 6 km. SW of Houghton Lake. Topic Orchidaceae Remove constraint Topic: Orchidaceae