You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries 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 Place USA Remove constraint Place: USA Topic Bryopsida Remove constraint Topic: Bryopsida Topic Plantae Remove constraint Topic: Plantae Topic Pottiaceae Remove constraint Topic: Pottiaceae