# Jan Jansonius

> Dutch born Canadian geologist and botanist (1928-2013)

**Wikidata**: [Q21516930](https://www.wikidata.org/wiki/Q21516930)  
**Source**: https://4ort.xyz/entity/jan-jansonius


## References

1. [Source](https://mhfh.com/tribute/details/7962/Jan-JANSONIUS/obituary.html)
2. Virtual International Authority File
3. International Plant Names Index
4. author citation in botany and mycology
5. Harvard Index of Botanists