Mycotaxon 27: 566 (1986).

Type: South Africa, Cape Province, Barkly Pass, about 18 km N of Elliott along Highway R 58, 1800 m, 9.2.1986, Grid 3127 BB, M. E. Hale 73015 (US - holotype, PRE - isotype).

Thallus: adnate to loosely adnate, 8 - 15 cm broad, bright yellow green, lobes subirregular to sublinea, 2,5 - 5 mm wide, contiguous to imbricate, the center becoming short laciniate; upper surface continuous, emaculate, shiny, isidia and soredia lacking; medulla white; lower surface plane, pale brown, moderately to densely rhizinate, the rhizines pale brown, simple, 0.5 - 1 mm long. Pycnidia numerous; conidia bifusiform, 0.5 x 5-6 µm. Apothecia numerous, adnate, 3 - 5 mm in diameter; spores 5 - 7 x 9 - 11 µm (Hale 1990: 75).

Photobiont: Trebouxia.

Chemistry: Fatty "subdecipiens" unknowns 33 and 37 (major), constipatic acid (more or less trace), protoconstipatic acid (more or less trace), usnic acid (Hale 1990: 75).

Ecology: On Cave and Moltena sandstones (Hale 1990: 75).

Molecular data: Genbank

Distribution: South Africa: Eastern Cape Province (Hale 1990: 75).

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