Mycotaxon 29: 253 (1987).

Type: South Africa, Cape Province, 5 km NE of Highway N7 on the Dous-the Glim road at the railroad crossing, 200 m, 30. October 1986, Grid 3118 BC, M. E. Hale 78606 (USA - holotype; ANUC, LD, PRE - isotypes).

Thallus: vagrant, firm and leathery, 6 - 10 cm broad but scattered over several meters, light yellow green; lobes sublinear, strongly convoluted and forming tube-like branches, 4 - 10 mm wide when expanded, little branched, 1 - 4 cm long, twisted and contorted; upper surface continuous, emaculate, dull, becoming strongly rugose with age, isidia and soredia lacking; medulla white; lower surface plane, sparsely to moderately rhizinate, the rhizinges brown, simple to sparsely furcate, 0.3 - 0.5 mm long. Pycnidia rarely developed; conidia cylindrical, 0.5 / 9 - 12 µm. Apothecia lacking.

Photobiont: probably Trebouxia.

Chemistry: Protocetraric acid, usnic acid.

Ecology: Soil inhabitating, free growing on soil, occurs in a well trampled sheep paddock in the Salt River area of Namaqualand.

Molecular data: Genbank

Distribution: South Africa: Cape Province.