# Pieter den Ouden

> botanist (1874-1964)

**Wikidata**: [Q21510224](https://www.wikidata.org/wiki/Q21510224)  
**Source**: https://4ort.xyz/entity/pieter-den-ouden


## References

1. Virtual International Authority File
2. International Plant Names Index
3. author citation in botany and mycology
4. NUKAT
5. Trove