# Urtica dioica ssp. gracilis

> subspecies of plant

**Wikidata**: [Q16993348](https://www.wikidata.org/wiki/Q16993348)  
**Source**: https://4ort.xyz/entity/urtica-dioica-ssp-gracilis


## 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. GRIN Taxonomy for Plants
7. Flora of North America
8. Database of Vascular Plants of Canada
9. United States Department of Agriculture Plants Database
10. New Zealand Organisms Register
11. BDTFX v7.00
12. TAXREF v9.0
13. TAXREF v10.0
14. TAXREF v11.0
15. TAXREF v12.0
16. TAXREF v13.0
17. TAXREF v14.0
18. Plants of the World Online
19. Australian Plant Name Index
20. World Flora Online
21. Native Plants Database
22. Washington Flora Checklist
23. E-Flora BC
24. Colorado Plant Database
25. Indiana Plant Atlas
26. CalPhotos
27. EASIN Catalogue of Alien Species