You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Bank of Big Thompson River (on US 34), 2 miles SW. of Drake. Remove constraint Place: Bank of Big Thompson River (on US 34), 2 miles SW. of Drake. Place Colorado Remove constraint Place: Colorado Place North America Remove constraint Place: North America Topic Orthotrichum Remove constraint Topic: Orthotrichum