# John Charles Sawer

> British zinc merchant. manufacturing chemist and botanist

**Wikidata**: [Q21607810](https://www.wikidata.org/wiki/Q21607810)  
**Source**: https://4ort.xyz/entity/john-charles-sawer


## References

1. International Plant Names Index
2. author citation in botany and mycology
3. Harvard Index of Botanists
4. Virtual International Authority File