# Onopordum acaulon

> species of plant

**Wikidata**: [Q15573635](https://www.wikidata.org/wiki/Q15573635)  
**Source**: https://4ort.xyz/entity/onopordum-acaulon


## References

1. Taxonomy database of the U.S. National Center for Biotechnology Information
2. Encyclopedia of Life
3. Global Biodiversity Information Facility
4. World Register of Marine Species
5. Tropicos
6. International Plant Names Index
7. The Plant List 1.1
8. GRIN Taxonomy for Plants
9. United States Department of Agriculture Plants Database
10. African Plant Database
11. New Zealand Organisms Register
12. UMLS 2023
13. FloraBase
14. BDTFX v7.00
15. TAXREF v9.0
16. TAXREF v10.0
17. TAXREF v11.0
18. TAXREF v12.0
19. TAXREF v13.0
20. TAXREF v14.0
21. TAXREF v15.0
22. TAXREF v16.0
23. Plants of the World Online
24. VicFlora
25. Australian Plant Name Index
26. European Nature Information System
27. eFloraSA
28. World Flora Online
29. Open Tree of Life reference taxonomy version 3.2
30. FloraVeg.EU
31. Biota of New Zealand