Order: Verrucariales       Family: Verrucariaceae Species: Dermatocarpon miniatum Growth type foliose. Photos: On coastal rocks. Bantry, Cork, SW Ireland. Leathery pale greyish-brown lobes, grey-pruinose with margins that are often incised and contorted. Small dark-brown ostioles. The under-surface is tan with a single hold-fast. Can be single-lobed. Found on coastal rocks and inland on damp calcareous rocks. Chemical reactions negative. Similar: Dermatocarpon luridum, lobes bright green when wet. On siliceous rocks in or by streams and rivers

     


Dermatocarpon miniatum. On coastal rocks, Bantry, Co.Cork. December 2008