# Jiří R. Haager

> botanist (1943-1989)

**Wikidata**: [Q21393497](https://www.wikidata.org/wiki/Q21393497)  
**Source**: https://4ort.xyz/entity/ji-r-haager


## References

1. Czech National Authority Database
2. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
3. International Plant Names Index
4. author citation in botany and mycology
5. NUKAT
6. Harvard Index of Botanists
7. Virtual International Authority File