# Euphorbia knuthii subsp. johnsonii

> subspecies of plant

**Wikidata**: [Q28808927](https://www.wikidata.org/wiki/Q28808927)  
**Source**: https://4ort.xyz/entity/euphorbia-knuthii-subsp-johnsonii


## References

1. Integrated Taxonomic Information System
2. Global Biodiversity Information Facility
3. Tropicos
4. International Plant Names Index
5. The Plant List 1.1
6. A dataset on catalogue of alien plants in China
7. African Plant Database
8. World Checklist of Selected Plant Families
9. Plants of the World Online
10. World Flora Online