# Norton's St. John's-wort

> subspecies of plant

**Wikidata**: [Q49457385](https://www.wikidata.org/wiki/Q49457385)  
**Source**: https://4ort.xyz/entity/norton-s-st-john-s-wort


## References

1. Integrated Taxonomic Information System
2. Global Biodiversity Information Facility
3. Tropicos
4. International Plant Names Index
5. United States Department of Agriculture Plants Database
6. Colorado Plant Database
7. Idaho Species
8. iNaturalist
9. Plants of the World Online
10. World Flora Online
11. Native Plants Database
12. E-Flora BC