# Ludger Kappen

> German botanist

**Wikidata**: [Q21510496](https://www.wikidata.org/wiki/Q21510496)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ludger_Kappen)  
**Source**: https://4ort.xyz/entity/ludger-kappen


## References

1. [Source](http://www.lichenology.org/Awards/Acharius_Kappen.html)
2. National Library of Israel Names and Subjects Authority File
3. Catalogo of the National Library of India