Xanthoparmelia heterodoxa (Hale) Hale
Phytologia 28(5): 487 (1974).
Basionym: Parmelia heterodoxa Hale, Bot. Notiser 124(3): 349 (1971).
Synonym: Index Fungorum
Type: Kwa-Zulu Natal.
Thallus: foliose, very tightly adnate, fragile, 1-3 cm broad, dark yellowish green; lobes sublinear, 0.3-0.6 mm wide, contiguous to imbricate, narrowly black-rimmed; upper surface continuous, shiny, faintly reticulate-maculate at the tips, transversely cracked toward the center, isidia and soredia lacking; medulla white; lower surface plane, black, shiny, sparsely rhizinate, the rhizines black, simple, 0.1-0.2 mm long. Pycnidia rarely developed; conidia cylindrical, 0.5 x 11-14 µm. Apothecia poorly developed, adnate, 0.3-1 mm in diameter; spores 6x8 µm.
Photobiont: Trebouxia.
Chemistry: Caperatic acid, olivetoric acid, 4-O-demethymicrophyllinic acod, usnic acid.
Ecology: On rock.
Molecular data: Genbank
Distribution: Database
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