# Nigritella rubra subsp. widderi

> subspecies of plant

**Wikidata**: [Q164947](https://www.wikidata.org/wiki/Q164947)  
**Source**: https://4ort.xyz/entity/nigritella-rubra-subsp-widderi


## References

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