# Mammillaria pondii subsp. setispina
**Wikidata**: [Q94434708](https://www.wikidata.org/wiki/Q94434708)  
**Source**: https://4ort.xyz/entity/mammillaria-pondii-subsp-setispina


## References

1. Taxonomy database of the U.S. National Center for Biotechnology Information
2. Integrated Taxonomic Information System
3. Global Biodiversity Information Facility
4. International Plant Names Index
5. A dataset on catalogue of alien plants in China
6. UMLS 2023
7. Plants of the World Online
8. World Flora Online
9. Open Tree of Life reference taxonomy version 3.2