# Strophocactus testudo

> species of plant

**Wikidata**: [Q21934494](https://www.wikidata.org/wiki/Q21934494)  
**Source**: https://4ort.xyz/entity/strophocactus-testudo


## References

1. The IUCN Red List of Threatened Species 2022.2
2. IUCN Red List
3. Taxonomy database of the U.S. National Center for Biotechnology Information
4. Integrated Taxonomic Information System
5. Global Biodiversity Information Facility
6. Tropicos
7. International Plant Names Index
8. GRIN Taxonomy for Plants
9. A dataset on catalogue of alien plants in China
10. Plants of the World Online
11. World Flora Online
12. Open Tree of Life reference taxonomy version 3.6
13. CalPhotos