Botany for everyone
Promoting the study, understanding and enjoyment of British and Irish botany since 1836.
Happening now
About the BSBI
The BSBI is for everyone who is interested in the flora of Britain and Ireland. We trace our origins back to 1836, when the Society was founded as the Botanical Society of London. We are now one of the world's largest contributors of biological records: our data inform scientific research and underpin evidence-based conservation in our time.
Botany in your area
56 million records
The largest database of its kind. We hold over 56 million botanical records with more than 300 million data points.
95 years
Our recorders have been formally collecting botanical records since 1930.
4,700+ members
Our growing community, spanning amateurs to academics, is always welcoming new members.
Latest
News
We are pleased to announce the availability of the eBook of the second edition of one of our seminal Handbooks: Whitebeams, Rowans and Service Trees of Britain and Ireland is now available to purchase and costs £10. This new edition of Handbook No. 14 will be widely welcomed, as the original proved very popular, and has been out of print for a number of years, aside from as a BSBI eBook. The content has been updated and incorporates the results of recent work by several contributors, and is …
2 July 2026
There are now more ways than ever for you to enjoy membership of the Society on your own terms, whether you're considering joining us or you've been with us for a while. Wondering whether membership is right for you but not sure if you want to commit to an annual subscription? Why not try our monthly payment option? For the price of a cup of coffee (or less!), you can sample the full range of membership benefits on offer on a rolling basis. This is a great way to dip your toe in the water of …
Blog
22 June 2026
Press releases
Upcoming events
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Mullaghanattin, Iveragh Peninsula
Waiting list
18 July 2026
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Roxburghshire recording weekend
18 July 2026 10:00 am - 19 July 2026
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Grasslands of Gale's Hill, Kilkenny
18 July 2026 10:00 am 4:00 pm
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Wildflower Walk - Sheskinmore
18 July 2026 1:00 pm - 4:30 pm
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Beginner Botany Walk - Halton, Lancaster
18 July 2026 2:00 pm - 4:00 pm