# Viburnum opulus var. americanum

> variety of plant

**Wikidata**: [Q50347468](https://www.wikidata.org/wiki/Q50347468)  
**Source**: https://4ort.xyz/entity/viburnum-opulus-var-americanum


## 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. GRIN Taxonomy for Plants
7. Database of Vascular Plants of Canada
8. United States Department of Agriculture Plants Database
9. New Zealand Organisms Register
10. UMLS 2023
11. TAXREF v11.0
12. TAXREF v12.0
13. TAXREF v13.0
14. TAXREF v14.0
15. Plants of the World Online
16. Native Plants Database
17. Open Tree of Life reference taxonomy version 3.2
18. Washington Flora Checklist
19. E-Flora BC
20. New York Flora Atlas
21. Virginia Tech Dendrology Factsheets
22. Indiana Plant Atlas
23. CalPhotos