in Lumbsch, Messuti & Nash, Lichenologist 35, 5 & 6: 387 (2003).
Protolog: Thallus crustaceus, uniformis, adnatus, ad 1.10 mm crassus, rimoso-areolatus vel verrucoso-areolatus, cremeus usque ad cremeo-luteus, luteo-griseus vel albo-brunneus; isidia vel soredia nulla, prothallus non evolutus. Apothecia sessilia vel semi-immersa, dispersa, orbicularia, 0.75-3.0 mm in diametro; disci rosei vel aurantiaci usque ad aurantiaco-brunnei, albido-griseo pruinosi; margines apotheciorum cremei usque ad cremeo-lutei vel albo-brunnei, crassi, laeves. Asci octospori; ascosporae hyalinae, non-septatae, ellipsoideae vel late ellipsoideae, 37.0-58.5 x 21.0-40.0 µm. Thallus et apothecia acidum gyrophoricum et lichexanthonum continens.
Protolog type data: Typus: Mexico, Chihuahua, vicinity of Cascada de Cusararé (canyon below falls), on shaded cliff-face 27°36'50"N, 107°34'20"W, 2100 m, 22 July 1994, T. H. Nash III 37316 (ASU-holotypus, MEXU, F-isotypi).
Type locality: Mexico, Chihuahua, vicinity of Cascada de Cusararé (canyon below falls), on shaded cliff-face, 2100 m, 22 July 1994, T. H. Nash 37316 (ASU - holotype, MEXU, F - isotypes).
Type locality coordinates: 27°36'50"N, 107°34'20"W.
Molecular barcode: Data lacking.
Thallus: Data lacking.
Photobiont: Data lacking.
Chemistry: Thallus cortex K-, C+ pink to red, KC+ red, P-; medulla K-, C-; KC-, P-; apothecial disc and margins K+ red, C+ pink to red, KC+ red, P-; UV+ bright yellow; containing gyrophoric acid (major), lichexanthone (major), hiascic acid (minor), lecanoric acid (minor), and orsellinic acid (minor).
Ecology: Data lacking.
Distribution Type: Data lacking.
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