
Lecanora symmicta - © Barry Stewart
(Ach.) Ach.
Lecanora symmicta is a crustose lichen of acid-barked trees, wood and worked timber, sometimes found as a pioneer species on twigs. The thallus can be granular or areolate, ranging from pale yellow-green to grey-green or whitish. The discs can be flat or convex, cream, pinkish, pale orange or brown with entire or excluded margins. The thallus is C+ orange and all parts are UV+ dull orange. Recent records included colonists on treated fence posts at Llangennith Burrows.
Listed by Alan Orange in Flora of Glamorgan (Wade et al, 1994).
Key: