You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Colorado Remove constraint Place: Colorado Place Deadwood Gulch, San Juan Mountains, 2 miles south-southwest of Silverton Remove constraint Place: Deadwood Gulch, San Juan Mountains, 2 miles south-southwest of Silverton Topic Plantae Remove constraint Topic: Plantae Topic Pottiaceae Remove constraint Topic: Pottiaceae