Phytologia 28, 5: 486 (1974).

Basionym: Parmelia schenckiana var. chalybaeizans J. Steiner & Zahlbr. in Zahlbruckner, Bot. Jb. 60: 510 (1926)

Synonyms: Index Fungorum

Type locality: South Africa, Cape District, Matjesfontein, Brunnthaler s.n. (W - lectotype; WU - isolectotype).

Type locality coordinates: 33°13'52.52?S, 20°34'55.91? E; -33.231257°, 20.582199°.

Molecular barcode: Data lacking.

Thallus: tightly adnate to adnate on rock, firm, 4-8 cm broad, rather light yellowish green, rarely darkening with age (as in the type specimen); lobes subirregular to sublinear, 1 -3 mm wide, rather short, irregularly branched, rarely short laciniate, contiguous to imbricate; upper surface continuous, emaculate, shiny, becoming cracked and rugose with age, isidia and soredia lacking; medulla white or turning uniformly pale yellow in some herbarium specimens; lower surface plane, pale brown, moderately rhizinate, the rhizines pale brown, simple, 0.2- 0.5 mm long. Pycnidia well developed; conidia bifusiform, 0.5 x 6 - 7 µm. Apothecia very common, substipitate, 2 - 8 mm in diameter; spores 6 - 7 x 10 - 12 µm (Hale 1990: 84).

Chemistry: Salacinic acid, consalacinic acid, norstictic acid (more or less trace), usnic acids, chalybaeizans unknown (Hale 1990: 84).

Ecology: On silicious rock.

Molecular data: Genbank

Distribution: South Africa, Cape province, Ciskei. Database

Note: