You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Costa Rica Remove constraint Place: Costa Rica Place S of San Ramón, ca. 3 km above San Rafael. Remove constraint Place: S of San Ramón, ca. 3 km above San Rafael. Topic Hymenophyllaceae Remove constraint Topic: Hymenophyllaceae Topic Hymenophyllum Remove constraint Topic: Hymenophyllum Topic Polypodiopsida Remove constraint Topic: Polypodiopsida Type still image Remove constraint Type: still image