Jaakko Jalas | |
|---|---|
| Born | 7 May 1920 |
| Died | 1 December 1999 (aged 79) |
| Nationality | Finnish |
| Scientific career | |
| Fields | botany |
| Author abbrev. (botany) | Jalas |
Arvo Jaakko Juhani Jalas (7 May 1920 – 1 December 1999) was a Finnish botanist. He worked in the University of Helsinki.