# Hans Trass

> Estonian ecologist, lichenologist (1928-2017)

**Wikidata**: [Q3741917](https://www.wikidata.org/wiki/Q3741917)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Hans_Trass)  
**Source**: https://4ort.xyz/entity/hans-trass


## References

1. [Source](http://www.lichenology.org/index.html?/Awards/AchariusMedallists.html)
2. International Standard Name Identifier
3. Virtual International Authority File
4. Faceted Application of Subject Terminology
5. International Plant Names Index
6. Estonian biographical database