# Joseph Niessen

> botanist

**Wikidata**: [Q21522156](https://www.wikidata.org/wiki/Q21522156)  
**Source**: https://4ort.xyz/entity/joseph-niessen


## References

1. Virtual International Authority File
2. International Plant Names Index
3. author citation in botany and mycology
4. Harvard Index of Botanists
5. Czech National Authority Database
6. VcBA (identifier)
7. NUKAT