# Physostegia virginiana subsp. virginiana

> subspecies of plant

**Wikidata**: [Q27668540](https://www.wikidata.org/wiki/Q27668540)  
**Source**: https://4ort.xyz/entity/physostegia-virginiana-subsp-virginiana


## 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. Database of Vascular Plants of Canada
6. United States Department of Agriculture Plants Database
7. UMLS 2023
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. New York Flora Atlas
13. Indiana Plant Atlas
14. Flora of the Southeastern United States
15. CalPhotos