| New Journal of Botany | |
| Formernames: | Watsonia |
| Editor: | Richard Gornall |
| Discipline: | Botany |
| Abbreviation: | New J. Bot. |
| Publisher: | Maney Publishing on behalf of the Botanical Society of Britain and Ireland |
| Country: | United Kingdom |
| Frequency: | Triannual |
| History: | 1949–2017 |
| Website: | https://www.tandfonline.com/action/journalInformation?journalCode=ynjb20 |
| Link1: | https://www.tandfonline.com/loi/ynjb20 |
| Link1-Name: | Online archives |
| Link2: | http://archive.bsbi.org.uk/index.html |
| Link2-Name: | Watsonia online archives |
| Oclc: | 780326717 |
| Lccn: | 2011252931 |
| Eissn: | 2042-3497 |
The New Journal of Botany was a peer-reviewed scientific journal covering research on the native flora of Northern and Western Europe, including population and conservation biology, ecological genetics, autecological, physiological, and phenological studies, plant/animal interactions, and plant biochemistry. It was established in 1949 as Watsonia, with the subtitle Journal & Proceedings of the Botanical Society of the British Isles. It was named after the eighteenth-century British botanist Hewett Watson. The journal was renamed New Journal of Botany in 2011 with volume numbering restarting at 1. It was discontinued in 2017. The journal was published by Maney Publishing on behalf of the Botanical Society of Britain and Ireland. It was abstracted and indexed in AGRICOLA,[1] Biological Abstracts,[2] BIOSIS Previews,[3] CAB Abstracts,[4] and Scopus.[5]