Xanthoparmelia filarszkyana (Gyeln.) Hale
Phytologia 28: 487 (1974).
Basionym: Parmelia filarszkyana Gyeln., Annls mycol. 36(4): 278 (1938).
Synonyms: Index Fungorum
Type: xxx.
Thallus: tightly adnate to adnate, 4-10 cm broad, yellowish green; lobes subirregular, 1.5-2.5 mm wide, continuous to imbricate; upper surface continuous, emaculate, shiny, transversely cracked with age, isidia and soredia lacking; medulla white; lower surface plane, pale brown, moderately rhizinate, the rhizines pale brown, simple, 0.2-0.5 mm long. Pycnidia common; conidia bifusiform, 0.5 x 6-7 µm. Apothecia common, substipitate, 2-5 mm in diameter; spores 6-7 x 9-10 µm.
Photobiont: Trebouxia.
Chemistry: Norlobaridone, loxodin (+/-), conorlobaridone (+/- trace), conloxodin (+/-trace), constipatic acid (+/-), protoconstipatic acid (+/-), usnic acid.
Ecology: on rock.
Molecular data: Genbank
Distribution: Database
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