# Ballota nigra var. sericea

> variety of plant

**Wikidata**: [Q39067642](https://www.wikidata.org/wiki/Q39067642)  
**Source**: https://4ort.xyz/entity/ballota-nigra-var-sericea


## References

1. Global Biodiversity Information Facility
2. Tropicos
3. World Checklist of Selected Plant Families
4. Plants of the World Online
5. World Flora Online