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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 sulcifera (Kurok.) Hale
  Mycotaxon 20: 79 (1984); Parmelia sulcifera Kurok., Bull. Natl Sci. Mus., ser. B, 8: 37 (1982). T: east of Cooma on Numeralla road, N.S.W., 2 Dec. 1965, S.Kurokawa 6450; holo: TNS; iso: CANB.  
  Thallus foliose, loosely adnate to unattached but remaining intact, becoming pulvinate, to 6 cm wide. Primary lobes imbricate or not, sublinear, irregularly branched, 0.7–2 mm wide; primary lobes and laciniae revolute to convolute; laciniae subdichotomously branched, often entangled and growing over primary lobes, ±subascending at apices, 0.3–0.5 (–1) mm wide; without lobules. Upper surface pale yellow-green, convex, dull, emaculate, smooth to slightly rugulose, lacking soredia and isidia; lobe margins often blackened towards apices. Medulla white. Lower surface partly canaliculate, straw-yellow to light brown, usually dark brown or black towards apices; rhizines sparse to moderately dense, often grouped subapically, simple, tufted or not, 0.2–0.6 mm long, concolorous. Apothecia rare, subpedicellate, 1–3 mm wide; disc concave, red to dark brown; thalline exciple smooth, thick, involute, ±undulating. Ascospores 10–11 × 4–6 µm. Pycnidia common. Conidia bifusiform, 5–6 × 0.5 µm. CHEMISTRY: cortex K-, UV-; medulla K+ yellow then pale reddish, C-, P-; containing usnic acid, hypostictic acid, hyposalazinic acid and ±hypoconstictic acid.
  Rare, endemic, found on soil and rarely spreading over pebbles in rain shadow areas of central and southern tablelands of N.S.W.  
  Elix (1994z)  

Checklist Index
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References

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