Phytologia 28, 5: 487 (1974).

Basionym: Parmelia subconspersa var. cumberlandia Gyelnik, xxx: 164 (1934).

Parmelia subconspersa var. cumberlandia Gyeln., (1934).

Synonyms: Index Fungorum

Type: USA, Maine, Cumberland, Chamberlain s.n. (BP - lectotype; isotype designated in Bouly de Lesdain herbarium destroyed).

Thallus: adnate to loosely adnate, 6-12 cm broad, yellowish green; lobes subirregular to sublinear, 1-2 mm wide, contiguous to imbricate and often becoming densely laciniate at the center; upper surface continuous, emaculate, shiny, isidia and soredia lacking; medulla white; lower surface plane, pale brown or darkening, moderately isidiate, the rhizines pale brown, simple, 0,3-0,8 mm long. Apothecia numerous, substipitate, 2-10 mm in diameter; spores 4-5 x 9-10 µm. Pycnidia common; conidia bifusiform, 0,5 x 5-7 µm.

Photobiont: Trebouxia.

Chemistry: Stictic acid, constictic acid, norstictic acid, usnic acid (xxx). Usnic acid, stictic acid, norstictic acid (Will-Wolf 1998: 332)

Ecology: On rock.

Molecular data: Genbank

Distribution: Venezuela, Brasil, Uruguay Database

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