# Petrophytum caespitosum subsp. caespitosum

> subspecies of plant

**Wikidata**: [Q24689070](https://www.wikidata.org/wiki/Q24689070)  
**Source**: https://4ort.xyz/entity/petrophytum-caespitosum-subsp-caespitosum


## References

1. Integrated Taxonomic Information System
2. Tropicos
3. Flora of North America
4. Plants of the World Online
5. World Flora Online
6. Washington Flora Checklist
7. Online Field Guide to the Rare Plants of Washington
8. CalPhotos