Xanthoparmelia elixii Filson
Brunonia 7(1): 203 (1984).
Synonyms: Index Fungorum
Type: Australia, S.A., Mt. Lofty Range, 3 km N of Carey Gully, J. Elix 2290 (MEL - holotype, CBG - isotype).
Thallus: adnate to loosely adnate, 4-16 cm broad, dark yellowish green; lobes sublinear, 0.7-2 mm wide, contiguous to imbricate, with short subascending laciniae toward the center, black rimmed; upper surface continuous, emaculate, shiny, isidia and soredia lacking; medulla white; lower surface plane, pale or darker brown, sparsely rhizinate, the rhizines pale brown, simple, 0..5-2 mm long. Pycnidia common; conidia bifusiform, 0.5 x 6-8 µm. Apothecia common, substipitate, 3-10 mm in diameter; spores 6-7 x 9-10 µm (Hale 1990: 107).
Photobiont: Trebouxia.
Chemistry: Norstictic acid, connorstictic acid, salazinic acid (+/- trace), constipatic acid (+/- trace). Protoconstipatic acid (+/- trace), usnic acid (Hale 1990: 107).
Ecology: on rock.
Molecular data: Genbank
Distribution: Database
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