You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Colorado Remove constraint Place: Colorado Place Gypsum mesa on Beaver Creek, at Colo. Route 115, 2½ miles NE of PENROSE Remove constraint Place: Gypsum mesa on Beaver Creek, at Colo. Route 115, 2½ miles NE of PENROSE Place USA Remove constraint Place: USA Topic Bryopsida Remove constraint Topic: Bryopsida Topic Plantae Remove constraint Topic: Plantae Topic Pottiaceae Remove constraint Topic: Pottiaceae