Xanthoparmelia dysprosa Brusse & Knox
in Knox & Brusse, J. S. Afr. Bot. 49(2): 148 (1983).
Synonyms: Index Fungorum
Type: xxx.
Thallus: loosely adnate, rather fragile and congested, 4-8 cm broad, dull yellowish green; lobes sublinear to linear, 0.5-1.5 mm wide, dichotomously divided, the tips subascending, black rimmed, separate to subimbricate; upper surface strongly effigurate-maculate, shiny, isidia and soredia lacking; medulla white; lower surface plane, black, shiny, smooth to rugulose, very sparsely rhizinate, the rhizines black, coarse, simple, 0.-1 mm long. Pycnidia common; conidia not found. Apothecia substipitate, 1-4 mm in diameter; spores 5-6 x 9-10 µm (Hale 1990: 105).
Photobiont: Trebouxia.
Chemistry: Evernic acid (major), lecanoric acid (trace), usnic acid (Hale 1990: 105).
Ecology: on rock.
Molecular data: Genbank
Distribution: Database
Note: