# Phegopteris excelsior

> species of fern

**Wikidata**: [Q89045458](https://www.wikidata.org/wiki/Q89045458)  
**Source**: https://4ort.xyz/entity/phegopteris-excelsior


## References

1. Phegopteris excelsior (Thelypteridaceae): A New Species of North American Tetraploid Beech Fern
2. Taxonomy database of the U.S. National Center for Biotechnology Information
3. Tropicos
4. International Plant Names Index
5. Database of Vascular Plants of Canada
6. UMLS 2023
7. Plants of the World Online
8. New York Flora Atlas
9. Flora of the Southeastern United States