Xanthoparmelia eruptens Hale
Mycotaxon 29: 254 (1987).
Synonyms: Index Fungorum
Type: xxx.
Thallus: very adnate to tightly adnate, 2-4 cm broad, dull yellowish green; lobes sublinear, 0.3-0.7 mm wide, little branched, separate to continuous, 1-2 mm long; upper surface continuous, emaculate, shiny, sparsely isidiate, the isidia coarse, pustular-bullate, globose, 0.2-0.3 mm in diameter, to 0.3 mm high, the tips epicorticate, whitish, fragile and erumpent apically but not becoming sorediate, unbranched; medulla white; lower surface plane, shiny pale brown, sparsely rhizinate, the rhizines simple, brown, 0.1-0.2 mm long. Apothecia lacking. Pycnidia lacking.
Photobiont: Trebouxia.
Chemistry: Evernic acid, lecanoric acid (trace), usnic acid.
Ecology: on rock.
Molecular data: Genbank
Distribution: Database
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