# John Spence

> American botanist and bryologist (born 1956)

**Wikidata**: [Q21175838](https://www.wikidata.org/wiki/Q21175838)  
**Source**: https://4ort.xyz/entity/john-spence-q21175838


## References

1. Harvard Index of Botanists
2. Studies in Austral Bryaceae (Bryopsida) I. New Combinations in Ptychostomum Hornsch. from southern South America
3. [Source](https://www.nps.gov/aboutus/nrawards-2012.htm)
4. International Plant Names Index
5. Biodiversity Heritage Library
6. Virtual International Authority File