Xanthoparmelia furcata (Müll. Arg.) Hale
Phytologia 28: 487 (1974).
Basionym: Parmelia furcata Müll. Arg., Flora, Regensburg 69: 256 (1886).
Synonyms: Index Fungorum
Type: xxx.
Thallus: foliose, loosely adnate, firm, 5-8 cm broad, yellowish green; lobes sublinear, 0.8-3 mm wide, irregularly dichotomously branched, divaricate-imbricate, subascending, black-rimmed; upper surface continuous, shiny, isidia and soredia lacking; medulla with; lower surface plane to weakly canaliculated, more or less uniformly brown, blacking only at the tips, shiny, rugulose, sparsely rhizinate, the rhizines brown, simple, 0.2-0.5 mm long. Pycnidia common; conidia bifusiform, 0.5 x 5-6 µm. Apothecia not commonly developed, substipitate, 2-5 mm in diameter; spores 5x 8-9 µm.
Photobiont: Trebouxia.
Chemistry: Norlobaridone, loxodin, norlobariol methylester (+/-trace), usnic acid.
Ecology: on rock.
Molecular data: Genbank
Distribution: Database
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