# Protea afra subsp. afra
**Wikidata**: [Q104065425](https://www.wikidata.org/wiki/Q104065425)  
**Source**: https://4ort.xyz/entity/protea-afra-subsp-afra


## 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. Global Biodiversity Information Facility
5. African Plant Database
6. UMLS 2023
7. Plants of the World Online
8. Red List of South African Plants
9. World Flora Online
10. Open Tree of Life reference taxonomy version 3.2