# Hans Oluf Martensen

> botanist

**Wikidata**: [Q21520001](https://www.wikidata.org/wiki/Q21520001)  
**Source**: https://4ort.xyz/entity/hans-oluf-martensen


## References

1. International Plant Names Index
2. author citation in botany and mycology
3. Harvard Index of Botanists
4. [Source](https://www.zobodat.at/personen.php?id=130962)