# Echinops ritro ruthenicus

> subspecies of plant

**Wikidata**: [Q21383402](https://www.wikidata.org/wiki/Q21383402)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Echinops_ritro_subsp._ruthenicus)  
**Source**: https://4ort.xyz/entity/echinops-ritro-ruthenicus


## References

1. Taxonomy database of the U.S. National Center for Biotechnology Information
2. Integrated Taxonomic Information System
3. Global Biodiversity Information Facility
4. World Register of Marine Species
5. Tropicos
6. The Plant List 1.1
7. GRIN Taxonomy for Plants
8. Flora of North America
9. United States Department of Agriculture Plants Database
10. A dataset on catalogue of alien plants in China
11. UMLS 2023
12. Plants of the World Online
13. European Nature Information System
14. World Flora Online
15. Royal Horticultural Society Plant Database
16. Open Tree of Life reference taxonomy version 3.2
17. Washington Flora Checklist
18. CalPhotos
19. Flora Croatica Database
20. EASIN Catalogue of Alien Species