# Polytrichum undulatum

> species of Polytrichopsida

**Wikidata**: [Q38327709](https://www.wikidata.org/wiki/Q38327709)  
**Source**: https://4ort.xyz/entity/polytrichum-undulatum


## References

1. Integrated Taxonomic Information System
2. Global Biodiversity Information Facility
3. Tropicos
4. European Nature Information System
5. World Flora Online