# Xanthium strumarium var. canadense

> variety of plant

**Wikidata**: [Q50889337](https://www.wikidata.org/wiki/Q50889337)  
**Source**: https://4ort.xyz/entity/xanthium-strumarium-var-canadense


## 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. International Plant Names Index
7. GRIN Taxonomy for Plants
8. United States Department of Agriculture Plants Database
9. New York Flora Atlas
10. UMLS 2023
11. Plants of the World Online
12. World Flora Online
13. Native Plants Database
14. Open Tree of Life reference taxonomy version 3.2
15. E-Flora BC
16. CalPhotos