Amandinea coniops (Wahlenb. in Ach.) Choisy ex Scheid. & H. Mayrhofer
Buellia coniops (Wahlen. in Ach.) Th. Fr.
Thallus thick, areolate; areoles e. 0.1-0.3 mm diam., convex, sometimes becoming shortly lobed, often aggregating to form a warted, secondarily rimose crust up to 1-2 mm thick in the thallus centre, pale grey-brown to dark brown, prothallus often evident, black. Apothecia superficial, 0.3-0.8 mm diam., disc plane to slightly convex, convex when mature, dark-brown, true exciple usually persistent. Ascoppores uni-septate with even, thick wall minutely warted, 13-18 x 7-9 µm. Photobiont : Chlorococcales. Chemical spot tests negative. On coastal rocks, especially those manured by birds. Not to be confused with d'Amandinea punctata growing on rocks (rare) by the thicker, more warted thallus and with Amandina pelidna (lecideina) of which the thallus is cracked, paler, thicker, with unlobate towards margins, prothallus dark but not black and apothecia more convex.