# Viola purpurea var. grisea
**Wikidata**: [Q96166043](https://www.wikidata.org/wiki/Q96166043)  
**Source**: https://4ort.xyz/entity/viola-purpurea-var-grisea


## References

1. Integrated Taxonomic Information System
2. Global Biodiversity Information Facility
3. International Plant Names Index
4. Plants of the World Online
5. World Flora Online