Mycotaxon 27: 566 (1986).

Type: South Africa, Cape Province, 78.6 km south of Sutherland on Highway R354, ca. 900 m, 29.1.1986, M. Hale 73107, Grid 3220 DC (US - holotype, PRE - isotype).

Coordinates: 32°23'37"S 20°39'41"E

Thallus: foliose, loosely adnate, firm, 10 - 12 cm broad, yellowish green; lobes subirregular, 3 - 6 mm wide, apically subrotund, contiguous to imbricate; upper surface continuous, emaculate, shiny, rugose and cracked with age, isidia and soredia lacking; medulla white; lower surface plane, black, densely rhizinate, the rhizines simple, 0.5 - 1 mm long. Pycnidia numerous; conidia bifusiform, 0.5 x 5 - 7 µm. Apothecia numerous, substipitate, 5 - 8 mm in diameter; spores 5 - 7 / 10 - 12 µm (Hale 1990: 66).

Chemistry: Fatty "subdecipiens" unknowns 33 and 37, constipatic acid series (more or less traces), usnic acid (Hale 1990: 66).

Ecology: On rock.

Molecular data: Genbank

Distribution: South Africa, Cape Province.