ISSN 0043-1532
- Series title: Watsonia
- Full name: Watsonia. Journal and Proceedings of the Botanical Society of the British Isles. Arbroath
- Publisher: Botanical Society of the British Isles (BSBI)
- Publication: Vol. 1-28, 1949/1950-2010
- Preceded by: Botanical Society Exchange Club of the British Isles
- Superseded by: New Journal of Botany