# Asclepias asperula subsp. asperula

> subspecies of plant

**Wikidata**: [Q32850699](https://www.wikidata.org/wiki/Q32850699)  
**Source**: https://4ort.xyz/entity/asclepias-asperula-subsp-asperula


## References

1. Taxonomy database of the U.S. National Center for Biotechnology Information
2. Integrated Taxonomic Information System
3. Global Biodiversity Information Facility
4. Tropicos
5. United States Department of Agriculture Plants Database
6. UMLS 2023
7. World Checklist of Selected Plant Families
8. Plants of the World Online
9. World Flora Online
10. Native Plants Database
11. Open Tree of Life reference taxonomy version 3.2
12. CalPhotos