# Cirsium undulatum var. tracyi

> variety of the plant species Cirsium undulatum

**Wikidata**: [Q67195365](https://www.wikidata.org/wiki/Q67195365)  
**Source**: https://4ort.xyz/entity/cirsium-undulatum-var-tracyi


## References

1. Integrated Taxonomic Information System
2. Global Biodiversity Information Facility
3. World Register of Marine Species
4. Tropicos
5. International Plant Names Index
6. United States Department of Agriculture Plants Database
7. Plants of the World Online
8. World Flora Online
9. Native Plants Database
10. CalPhotos