# Fraxinus excelsior subsp. excelsior

> subspecies of plant

**Wikidata**: [Q21383489](https://www.wikidata.org/wiki/Q21383489)  
**Source**: https://4ort.xyz/entity/fraxinus-excelsior-subsp-excelsior


## References

1. Taxonomy database of the U.S. National Center for Biotechnology Information
2. Global Biodiversity Information Facility
3. Tropicos
4. Plants of the World Online
5. African Plant Database
6. UMLS 2023
7. BDTFX v7.00
8. FloraWeb
9. European Nature Information System
10. World Flora Online
11. Open Tree of Life reference taxonomy version 3.2