Phytologia 28, 5: 486 (1974).
Basionym: Parmelia almbornii Hale, Bot. Notiser 124, 3: 345 (1971).
Protolog: Data lacking.
Barcode: Data lacking.
Coordinates: Data lacking.
Thallus: loosely adnate, forming firm pulvinate mats, 5-8 cm broad, dark yellowish green, often blackening with age; lobes sublinear, 0.4 - 1 mm wide, dichotomously branched, subinbricate, black rimmed; upper surface continuous, emaculate, shiny, isidia and soredia lacking; medulla white; lower surface plane, pale brown to brown at the tips, usually whitish at the center, moderately to densely rhizinate at the tips, more sparsely toward the center, the rhizines pale brown, simple, 1 - 2 mm long. Pycnidia rare, conidia bifusiform, 0.5 x 5-6 µm. Apothecia lacking (Hale 1990: 66).
Photobiont: Probably Trebouxia.
Chemistry: Fumarprotocetraric acid, usnic acid (Hale 1990: 66).
Ecology: on rock.
Molecular data: Genbank
Distribution: South Africa, Cape Province.
Type locality: South Africa, Cape Province, Table mountain, near upper cableway station, O. Almborn 1728 (LD - holotype; TNS, US, - isotypes).