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DescriptionThallus: placodioid, monophyllus, with distinct marginal lobes, up to 2.1 cm in diam.; upper surface: yellow or orange, covered with whitish pruina, schizidia absent; upper cortex: paraplectenchymatous, 17-50 µm thick including a up to 30 µm thick epinecral layer; medulla: white, 75-175 µm thick; algal layer: continuous, 50-80 µm thick; lower cortex: absent; lower surface: gelatinized, compressed hyhae; Apothecia: common, sessile, up to 1.1 mm in diam.; disc: flat; margin: smooth, brighter than disc; asci: clavate, 8-spored; ascospores: hyaline, simple, ellipsoid, 10-15 x 4-5 µm; Pycnidia: not found; Secondary metabolites: anthraquinone pigments.; Substrate and ecology: soil; World distribution: wide spread in the Northern Hemisphere; Sonoran distribution: very rare so far only known from Baja California.