Altitudinal Limits of British & Irish Vascular Plants

2nd edition
A provisional listing, alphabetically arranged, giving maximum, and or minimum altitude levels, VC, locality, grid ref., status, source. recorder, year found and notes – in each case where confirmed and appropriate.

The paper version is no longer available, but the updated version is availabe to download from the BSBI website:

Altitudes – Botanical Society of Britain & Ireland (bsbi.org)