narrow-leaved glade fern
- kingdom: Plantae
- phylum: Tracheophyta
- class: Polypodiopsida
- order: Polypodiales
- family: Diplaziopsidaceae
- genus: Homalosorus
- species: Homalosorus pycnocarpos
Florence- Huntsville
- Sheffield
Alabama- Danbury
- Farmington
- New Haven
- Simsbury Center
- Waterbury
- Weatogue
Connecticut- Anna
- Murphysboro
Illinois- Crawfordsville
- Rockville
Indiana- Cabin John
- Chesapeake Beach
- North Beach
Maryland- Hometown
Pennsylvania- McLean
Virginia
United States
Laval