Xanthoparmelia gyrophorica Hale
Mycotaxon 27: 578 (1986).
Synonyms: Index Fungorum
Type: Lesotho, .
Thallus: foliose, adnate to loosely adnate, firm, 6-12 cm broad, bright yellowish green; lobes subirregular, apically rotund, contiguous to imbricate, 2-6 mm wide; upper surface continuous, emaculate, dull, transversely cracked with age, isidia and soredia lacking; medulla white; lower surface plane, pale brown, moderately rhizinate, the rhizines brown to blackening, rather coarse, 0.5-1 mm. Pycnidia numerous; conidia bifusiform, 0.5 x 5-6 µm. Apothecia common, adnate, 5-8 mm in diameter; spores 6-7 x 9-10 µm.
Photobiont: Trebouxia.
Chemistry: Gyrophoric acid, lecanoric acid (trace), 2,4-di-O-methylgyrophoric acid (trace), 5-O-methylhiascic acid (trace), usnic acid (det. J. Johnston).
Ecology: On rock.
Molecular data: Genbank
Distribution: Database
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