| Dryopteris marginalis (L.) A. Gray |
| Currently Accepted Name: | Dryopteris marginalis (L.) A. Gray |
| Locality: | United States. Tennessee. Sequatchie: Ca. 4.25 airmi ESE of Dunlap. South side of Henson Gap Rd at a point ca. 0.7 mi W of entrance to sand quarry. 35°21'23.8 85°19'01.2 |
| Habitat: | North-facing slope of steep grade in rather loose sandy soil. Common. Community includes Tsuga canadensis and Polystichum acrostichoides. Elevation at 502 meters. Specimen has odd double frond. |