# Leif Ryvarden

> Norwegian mycologist and writer (born 1935)

**Wikidata**: [Q4567813](https://www.wikidata.org/wiki/Q4567813)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Leif_Ryvarden)  
**Source**: https://4ort.xyz/entity/leif-ryvarden


## References

1. Virtual International Authority File
2. [Bionomia](https://bionomia.net/dataset/4ce8e3f9-2546-4af1-b28d-e2eadf05dfd4)
3. [Bionomia](https://bionomia.net/dataset/b740eaa0-0679-41dc-acb7-990d562dfa37)
4. [Bionomia](https://bionomia.net/dataset/cd6e21c8-9e8a-493a-8a76-fbf7862069e5)
5. Bionomia
6. [Source](https://www.mn.uio.no/ibv/personer/vit/leifry/index.html)
7. [Source](https://www.kongehuset.no/tildelinger.html?tid=28028&sek=27995&q=Ryvarden%2C+Leif+Randulff&type=&aarstall=)
8. International Standard Name Identifier
9. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
10. International Plant Names Index
11. BIBSYS
12. author citation in botany and mycology
13. Harvard Index of Botanists
14. Freebase Data Dumps. 2013
15. National Library of Israel Names and Subjects Authority File
16. [Bionomia](https://bionomia.net/dataset/d415c253-4d61-4459-9d25-4015b9084fb0)
17. [Bionomia](https://bionomia.net/dataset/7bd65a7a-f762-11e1-a439-00145eb45e9a)
18. [Bionomia](https://bionomia.net/dataset/861e6afe-f762-11e1-a439-00145eb45e9a)
19. [Bionomia](https://bionomia.net/dataset/821cc27a-e3bb-4bc5-ac34-89ada245069d)