You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Language UND Remove constraint Language: UND Place Near summit of Mt. Horeb, west of Woodcutter's Gap. Remove constraint Place: Near summit of Mt. Horeb, west of Woodcutter's Gap. Place Saint Andrew Remove constraint Place: Saint Andrew Topic Hymenophyllaceae Remove constraint Topic: Hymenophyllaceae Topic Hymenophyllum Remove constraint Topic: Hymenophyllum Topic Polypodiopsida Remove constraint Topic: Polypodiopsida