# Johan J. Groot

> American geologist

**Wikidata**: [Q112645750](https://www.wikidata.org/wiki/Q112645750)  
**Source**: https://4ort.xyz/entity/johan-j-groot


## References

1. [Source](https://www.stategeologists.org/sites/default/files/remembrance/Johan-J-Groot-1919-2009.pdf)
2. International Fossil Plant Names Index
3. Guggenheim Fellows database