# Polystichum imbricans subsp. imbricans

> subspecies of plant

**Wikidata**: [Q24688629](https://www.wikidata.org/wiki/Q24688629)  
**Source**: https://4ort.xyz/entity/polystichum-imbricans-subsp-imbricans


## 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. Flora of North America
6. Database of Vascular Plants of Canada
7. United States Department of Agriculture Plants Database
8. UMLS 2023
9. Plants of the World Online
10. World Flora Online
11. Native Plants Database
12. Washington Flora Checklist
13. E-Flora BC
14. CalPhotos