Fungal Diversity 49, 1: 55 (2011).
Basionym: Opegrapha brattiae Egea & Ertz, Lichen Flora of the Greater Sonoran Desert Region (Tempe) 3: 258 (2007).
Synonyms: Index Fungorum
Protolog: Thallus crustaceus, cremeo-albus vel griseo-albus. Ascomata 0.3-1.3 x 0.2-0.3 mm, subimmersa vel adnata. Excipulum integrum. Hymenium I+ primum caeruleum, deinde rufescens. Paraphysoides usque ad 1.5 µm crassae. Asci cylindrici-clavati, 45-55 x 10-12 µm. Ascosporae ellipsoideae vel fusiformes, 13-17 x (3-)3.5-4.5 µm, (2-)3-septatae, rectae vel leviter curvatae. Pycnidia immersa vel subimmersa. Conidia recta, 4-7 x 0.8-1 µm.
Type locality: Mexico, Baja California Norte, near lighthouse at Punta Santo Domingo adjacent Laguna Manuela, Vizcaíno Desert Region of the Sonoran Desert, on basalt, 100 m, 21.2.1993, T. H. Nash 33971 (ASU - holotype; BR - isotype).
Type locality coordinates: 28°15'N, 114°07'W.
Molecular barcode: Data lacking.
Thallus: crustose, epilithic, effuse, rimose to areolate, with a thin black prothallus; in section up to 100 µm thick, ecorticate ... .
Photobiont: Data lacking.
Chemistry: Erythrin, lecanoric acid (Ertz & Egea 2007: 259).
Ecology: Data lacking.
Distribution: Database
Molecular data: Genbank
Mycobank: Mycobank
Note:
Pictures: Tropical Lichens
Type: Mexico: Baja California Norte, near lighthouse at Punta Santo Domingo adjacent Laguna Manuela, Vizcaíno Desert Region of the Sonoran Desert, 28°15'N, 114°07'W, on basalt, 100 m, 21 Feb. 1993, Nash 33971 (ASU, holotype; BR, isotype).