# Smooth Distaff-thistle

> subspecies of plant

**Wikidata**: [Q48856737](https://www.wikidata.org/wiki/Q48856737)  
**Source**: https://4ort.xyz/entity/smooth-distaff-thistle


## References

1. Australian Plant Name Index
2. Taxonomy database of the U.S. National Center for Biotechnology Information
3. Integrated Taxonomic Information System
4. Tropicos
5. International Plant Names Index
6. GRIN Taxonomy for Plants
7. African Plant Database
8. New Zealand Organisms Register
9. UMLS 2023
10. BDTFX v7.00
11. Plants of the World Online
12. European Nature Information System
13. World Flora Online
14. Open Tree of Life reference taxonomy version 3.2