Mycotaxon 27: 578 (1986).

Protolog: Data lacking.

Protolog type data: Data lacking.

Type locality: South Africa, Western Cape, District West Coast, 25 km S of Clanwilliam along Highway N7, Grid 3218 DD, ca. 300 m, 25 January 1986, M. Hale 72030 (US - holotype; LD, PRE - isotypes).

Type locality coordinates: 32°10'0"S, 18°52'0"E; -32.166667°, 18.866667°.

Molecular barcode: Data lacking.

Thallus: foliose, adnate, fragile and easily breaking apart when collected, 4-8 cm broad, light yellowish green; lobes subirregular, 1-2 mm wide, short, imbricate; upper surface continuous, emaculate, shiny, moderately to densely isidiate, the isidia globose to irregularly inflated (Figure 15d), 0.10-0.15 mm in diameter, 0.1-0.3 mm high, the tips syncorticate to weakly epicorticate, shiny, pale, weakly erumpent but not becoming sorediate, sparsely short-branched; medulla white; lower surface plane, shiny, very pale tan, very sparsely rhizinate, the rhizines pale, coarse, simple, 0.2-0.5 mm long. Pycnidia and apothecia lacking (Hale 1990: 119).

Photobiont: Probably Trebouxia.

Chemistry: Stictic acid, constictic acid, usnic acid, unknown substance.

Ecology: On siliceous rock.

Distribution type: Known only from the type locality in southern Namaqualand (Hale 1990: 119).

Taxonomy: Data lacking.

Note:

Distribution Database: Distributions

Picture Database: Tropical Lichens

Molecular Database: Genbank

Synonym Database: Index Fungorum

Synonym Database: Mycobank