Mycotaxon 27: 573 (1986).
Protolog: Thallus adnatus, coriaceus, 6-12 cm latus, lobis sublinearibus, brevibus, 1.5-2.5 latis, superne valde effigurato-maculatus, isidiis sorediisque destitutus, subtus planus, niger, sparse rhizinosus.
Protolog type data: Type collection: Schist ledges on hillside, Meiringspoort, 18 km N of De Rust on east side of Hwy R29, elev. 690 m, Cape Province, S. Africa, Grid 3322 BC, M. E. Hale 73016, 1 Feb. 1986 (US, holotype; PRE, isotype).
Type locality: South Africa, Cape Province, 18 km N of De Rust on east side of Hwy R29, Meiringspoort, schist ledges on hillside, Grid 3322 BC, 690 m, 1 February 1986, M. E. Hale 73016, (US - holotype; PRE - isotype).
Type locality coordinates: 33°24'58.68"S, 22°32'58.92"E; -33.4163, 22.5497.
Molecular barcode: Data lacking.
Thallus: adnate to loosely adnate, firm and leathery, pale yellowish green, 6-12 cm broad; lobes sublinear, 1.5-2.5 mm wide, dichotomously branched; upper surface strongly effigurate-maculate, the maculae irregularly elongate, sometimes coalescing, shiny, becoming transversely cracked, somewhat convex with age, isidia and soredia lacking; medulla white; lower surface plane, black with a brown zone at the tips, sparsely to moderately rhizinate, the rhizines coarse, brown to black, simple, 0.5-1mm long. Apothecia common, substipitate, the rim upturned, 3-7 mm in diameter, spores 6-7 x 9-11 µm. Pycnidia common, conidia bifusiform, 0.5 x 6-8 µm (Hale 1986: 573).
Photobiont: Trebouxia.
Chemistry: Salazinic acid, norstictic acid (+ trace), usnic acid, chalybaeizans unknown (Hale 1986: 573).
Ecology: On exposed sandstone rock.
Distribution Type: Endemic in Namakwaland and southwestern Cape Province (South Africa).
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