We parsed the following live from the Web into this page. Such content is managed by its original site and not cached on Discover Life. Please send feedback and corrections directly to the source. See original regarding copyrights and terms of use.
Growth type foliose.
Photos: On coastal rocks. Rock Island, Cork, SW Ireland.
Thallus greyish-beige, +/- white-pruinose when dry, greenish-brown when wet. Upper surface with numerous conspicuous oval pustules. Margins +/- lacerated. Black coralloid isidia. Apothecia very rare.
Can form large colonies on nutrient-rich, acidic, coastal or upland rocks. Most frequent in the extreme SW of Ireland.
Medulla: K-, C+ red, KC+ red, P-, UV-
