Australian Biological Resources Study
Checklist of the Lichens of Australia and its Island Territories | ||
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References | ||
Xanthoparmelia metamorphosa (Gyeln.) Hale | ||
Phytologia 28: 488 (1974); Parmelia metamorphosa Gyeln., Ann. Mycol. 36: 284 (1938). T: Eden, N.S.W., 18 Dec. 1903, E.Cheel; holo: BP. | ||
Thallus foliose, loosely adnate, to 4–6 cm wide. Lobes imbricate, flat, linear-elongate, dichotomously branched, divaricate, 0.2–0.6 mm wide; margins often subascending at apices exposing lower surface. Upper surface yellow-green, shiny, white-maculate, smooth, lacking soredia and isidia; margins shiny, black or brown. Medulla white. Lower surface shiny or matt, rugose, ivory to pale brown, darker towards apices; rhizines very sparse, simple, robust, concolorous. Apothecia sessile, 1.5–8 mm wide; disc concave, becoming flattened and distorted, brown to dark brown; thalline exciple thin, involute, crenulate, becoming deeply lacerate. Ascospores 8–10 × 4–5.5 µm. Pycnidia common. Conidia bifusiform, 5–6 × 0.5 µm. CHEMISTRY: cortex K-, UV-; medulla K-, C-, KC+ rose, P-; containing usnic acid, loxodin and norlobaridone. | ||
Scattered on exposed rock in areas of high rainfall in eastern Australia (S.A., Qld, N.S.W., A.C.T., Vic. and Tas.); also on the North Island, New Zealand. | ||
Elix (1994z) |
Checklist Index |
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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