Following #plants in the crags: MIREN rock face survey https://the3dlab.org/2024/01/23/following-plants-in-the-crags-miren-rock-face-survey/
"cliff #vegetation, and the influence of rock #climbing on it, is pretty unique: rock faces often cover strong microclimatic gradients, resulting in a unique vegetation of species at either the warm or cool edge of their distribution. This unique vegetation often consists of (locally) rare species with very patchy distribution"