# Viburnum opulus subsp. calvescens

> subspecies of plant

**Wikidata**: [Q24872695](https://www.wikidata.org/wiki/Q24872695)  
**Source**: https://4ort.xyz/entity/viburnum-opulus-subsp-calvescens


## References

1. Species cataloging of vascular plants in Ningxia, northwestern China
2. A Scientific Dataset of useful plants of China
3. Global Biodiversity Information Facility
4. Tropicos
5. The Plant List 1.1
6. Flora of China
7. Checklist of tracheophyte in Heilongjiang Province
8. A checklist of wild vascular plants in Jiangxi Province, China
9. A checklist of vascular plants in Shaanxi Province, China (Version 2021)
10. A dataset on inventory and geographical distributions of vascular plants in Beijing, China
11. Plants of the World Online
12. World Flora Online
13. CalPhotos