# Alnus incana subsp. tenuifolia

> subspecies of plant

**Wikidata**: [Q21382454](https://www.wikidata.org/wiki/Q21382454)  
**Source**: https://4ort.xyz/entity/alnus-incana-subsp-tenuifolia


## 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. International Plant Names Index
6. The Plant List 1.1
7. GRIN Taxonomy for Plants
8. Flora of North America
9. Database of Vascular Plants of Canada
10. United States Department of Agriculture Plants Database
11. Colorado Plant Database
12. New Zealand Organisms Register
13. UMLS 2023
14. World Checklist of Selected Plant Families
15. Plants of the World Online
16. World Flora Online
17. Native Plants Database
18. Open Tree of Life reference taxonomy version 3.2
19. Washington Flora Checklist
20. E-Flora BC
21. Virginia Tech Dendrology Factsheets
22. CalPhotos