# Populus nigra var. thevestina

> variety of plants

**Wikidata**: [Q18382335](https://www.wikidata.org/wiki/Q18382335)  
**Source**: https://4ort.xyz/entity/populus-nigra-var-thevestina


## References

1. A Scientific Dataset of useful plants of China
2. Taxonomy database of the U.S. National Center for Biotechnology Information
3. Global Biodiversity Information Facility
4. Tropicos
5. GRIN Taxonomy for Plants
6. Flora of China
7. A dataset on catalogue of alien plants in China
8. A dataset on inventory and geographical distributions of vascular plants in Beijing, China
9. A checklist of vascular plants in Shaanxi Province, China (Version 2021)
10. UMLS 2023
11. Plants of the World Online
12. World Flora Online
13. Open Tree of Life reference taxonomy version 3.2