Xanthoparmelia dubitata Elix & J. Johnst.
in Elix, Johnston & Armstrong, Bull. Br. Mus. nat. Hist., Bot. 15(3): 233 (1986).
Synonyms: Index Fungorum
Type: xxx.
Thallus: very tightly adnate, appearing areolate at the center, 2-7 cm broad, dull yellowish green; lobes sublinear, 0.3-0.7 mm wide, crowded, short, continuous to imbricate; upper surface continuous, emaculate, shiny, transversely cracked and areolate-bullate with age, isidia and soredia lacking; medulla white; lower surface plane, pale brown, sparsely rhizinate, the rhizines pale brown, delicate, simple, about 0.2 mm long. Pycnidia common; conidia bifusiform, 0.5 x 5 µm. Apothecia 1-4 mm in diameter, spores 4-6 x 7-9 µm.
Photobiont: Trebouxia.
Chemistry: Norlobaridone, loxodin (+/- trace), usnic acid.
Ecology: on rock.
Molecular data: Genbank
Distribution: Database
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