Vainio, EA and Lynge, B. 1934. Lichenographia Fennica IV: Lecideales II. Acta Societatis Pro Fauna et Flora Fennica 57, No. 2: 59-60
Thallus moderately thin, consisting of depressed verrucae or verrucules, entire, adnate or appressed and subsquamulose, white-pale or pale, opaque, lacking soredia, hypothallus indistinct. Apothecia small, broadly adnate, base not constricted, thin, disc dark brown/grayish-brown-becoming red, plane or depressed convex, naked, opaque, immarginate (or >>surrounded by very thin, at length disappearing margin>>sec. Th. Fr.). Hypothecium pale or hyaline, thin, hyphae irregularly woven together. Epithecium reddish or dark brown/grayish-brown-reddish. Paraphyses tightly coherent. Spores 8, oblong or ellipsoid, >>0.009-0.016 mm long, 0.004-0.006 mm thick>> (sec. Th. Fr.), >>0.014-0.017 mm long, 0.006-0.007 mm thick (sec. Nyl.).