American climbing fern
- kingdom: Plantae
- phylum: Tracheophyta
- class: Polypodiopsida
- order: Schizaeales
- family: Lygodiaceae
- genus: Lygodium
- species: Lygodium palmatum
Arbutus- Baltimore
- Charlestown
- College Park
- East Riverdale
- Edmonston
- Ellicott City
- Four Corners
- Glenarden
- Goddard
- Hillcrest Heights
- Hyattsville
- Kemp Mill
- Landover
- Landover Hills
- Langley Park
- Lanham
- Marlow Heights
- Naval Academy
- New Carrollton
- Riverdale Park
- Seabrook
- Silver Hill
- Silver Spring
- Suitland
- Takoma Park
- University Park
- Woodlawn
Maryland- Amherst Center
Massachusetts- Cinnaminson
- East Brunswick
- Riverton
- South River
New Jersey- Athens
Ohio
United States