# Polypodium rigidulum

> species of Equisetopsida

**Wikidata**: [Q38237109](https://www.wikidata.org/wiki/Q38237109)  
**Source**: https://4ort.xyz/entity/polypodium-rigidulum


## References

1. Global Biodiversity Information Facility
2. Tropicos
3. International Plant Names Index
4. Plants of the World Online
5. Australian Plant Name Index
6. World Flora Online