An interesting article can be found up on the National Trust Website. Titled Five rare plants to spot on the Great Orme this feature by Trevor Dines may be of interest if you find yourself regularly walking the Orme.
The Great Orme in North Wales is one of my favourite places in Britain to see rare plants. By working with farmer Dan Jones to establish the right grazing system, Plantlife and the National Trust are helping rare flora thrive on this exposed stretch of coast
1. Great Orme Berry
The Great Orme is the only place in the world where you will find this native cotoneaster growing in the wild
The full list complete with images can be read here...