Xanthoparmelia ferruma Elix & Johnston
in Elix, Johnston & Armstrong, Bull. Br. Mus. nat. Hist., Bot. 15(3): 247 (1986).
Synonyms: Index Fungorum
Type: xxx.
Thallus: adnate, 4-8 cm broad, yellowish green; lobes subirregular, 1.5-3 mm wide, contiguous to imbricate; upper surface continuous, emaculate, shiny, isidia and soredia lacking; upper medulla white, lower medulla ochre in part; lower surface plane, pale or darker brown, moderately rhizinate, the rhizines pale brown, simple, 0.2-0.3mm long. Pycnidia common, substipitate, 1-3 mm in diameter; spores 5x 8-9 µm.
Photobiont: Trebouxia.
Chemistry: Salazinic acid, consalazinic acid, protocetraric acid (+/-), usnic acid, skyrin.
Ecology: on rock.
Molecular data: Genbank
Distribution: Database
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