# Opuntia polyacantha var. erinacea

> variety of plants

**Wikidata**: [Q24691889](https://www.wikidata.org/wiki/Q24691889)  
**Source**: https://4ort.xyz/entity/opuntia-polyacantha-var-erinacea


## References

1. Integrated Taxonomic Information System
2. Global Biodiversity Information Facility
3. Tropicos
4. International Plant Names Index
5. GRIN Taxonomy for Plants
6. Flora of North America
7. United States Department of Agriculture Plants Database
8. A dataset on catalogue of alien plants in China
9. A dataset on inventory and geographical distributions of vascular plants in Beijing, China
10. [The Plant List](https://aznps.com/the-plant-list/?species=opuntia+polyacantha+var.+erinacea)
11. Plants of the World Online
12. VicFlora
13. World Flora Online
14. Native Plants Database
15. CalPhotos