# Betula nana subsp. nana

> subspecies of birch

**Wikidata**: [Q24688357](https://www.wikidata.org/wiki/Q24688357)  
**Source**: https://4ort.xyz/entity/betula-nana-subsp-nana


## References

1. Taxonomy database of the U.S. National Center for Biotechnology Information
2. Integrated Taxonomic Information System
3. Tropicos
4. GRIN Taxonomy for Plants
5. Flora of North America
6. Database of Vascular Plants of Canada
7. United States Department of Agriculture Plants Database
8. UMLS 2023
9. World Flora Online
10. Native Plants Database