Fásra
This is a very simple crevice community supporting the glossy, evergreen fronds of Asplenium marinum. No other species are frequent. Other ferns which may occur include Asplenium ruta-muraria, Adiantum capillus-veneris and Phyllitis scolopendrium. Some bryophyte cover may be provided by Fissidens spp.
Éiceolaíocht
This community is largely restricted to moist crevices or overhangs on coastal cliff faces where there may be some sea spray.
Fo-phobail
No sub-communities are described.
Pobail chosúla
This is a straightforward community that is unlikely to cause confusion.
Luach caomhnaithe
Most examples of this vegetation correspond to EU HD Annex I habitat 1230 Vegetated sea cliffs.
Bainistíocht
This community does not require management.c