A distinctive placodioid lichen that forms pinkish grey to cream-brown adpressed rosettes. Scattered over the surface are pink to brown, lobed cephalodia, as well as soralia and apothecia that have pinkish to dark red-brown discs that are often pruinose, and that have thick, thalline margins.
Thallus: C+ red
Placopsis gelida occurs mainly in the western Highlands where it prefers basalt. BLS distribution map
scottishlichens.co.uk 