# Bruce Douglas Ryan

> American lichenologist

**Wikidata**: [Q21387884](https://www.wikidata.org/wiki/Q21387884)  
**Source**: https://4ort.xyz/entity/bruce-douglas-ryan


## References

1. Bionomia
2. International Plant Names Index
3. author citation in botany and mycology
4. [Bionomia](https://bionomia.net/dataset/d415c253-4d61-4459-9d25-4015b9084fb0)
5. [Bionomia](https://bionomia.net/dataset/7e380070-f762-11e1-a439-00145eb45e9a)
6. [Bionomia](https://bionomia.net/dataset/821cc27a-e3bb-4bc5-ac34-89ada245069d)