Basionym: Parmelia conspersa var. obtecta Zahlbruckner, 1924: 386. Smith. Contr. Bot. 1974b: 490.
Thallus: adnate on rock, rarely on wood ,2-8 cm broad, yellowish green; lobes subirregular, 1,5-4 mm wide, apically rotund, contiguous to imbricate; upper surface continuous, emaculate, shiny, sorediate, the soralia orbicular but soon fusing into diffuse masses; medulla white; lower surface plane, pale to dark brown, moderately rhizinate, the rhizines brown, simple, 0,3-1 mm long. Pycnidia rare, conidia bifusiform, 0,5 x 5-6 µm. Apothecia rare, substipitate, 1-4 mm in diameter; spores 5 x 7-8 µm.
Chemistry: Salazinic acid, gyrophoric (+-) acid, and usnic acid.
Ecology: On rock, rarely on wood.
Molecular data:
Distribution: Venezuela, Colombia, Ecuador, Chile, Argentina.
Parmelia tegulicola [Villa Alegre de Lencomilla, Chile, Espinosa s. n. (W, lectotype; BP, isolectotype).]
Parmelia teresiana [ La Mesa, near Bogotá, Colombia, Apollinaire 29 (BP, lectotype; designated type in Bouly de Lesdain herbarium destroyed).]
Parmelia neosoredians [Los Quebrachitos, Argentina, Hosseus 109,[10 May 1934] (BP, lectotype).]
Parmelia rugulosa var. subirregularis [ La Estancita, Prov. Córdoba, Argentina, Hosseus 88 (BP, lectotype).]