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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 norconvoluta (Elix & P.M.Armstr.) Elix & J.Johnst
  in J.A.Elix, J.Johnston & P.M.Armstrong, Bull. Brit. Mus. (Nat. Hist.), Bot. 15: 299 (1986); Parmelia norconvoluta Elix & P.M.Armstr., Austral. J. Bot. 31: 477 (1983). T: Thurla, c. 9.6 km west of Red Cliffs [Redcliffs], Vic., Sept. 1940, J.H.Willis; holo: MEL.  
  Thallus foliose, unattached, to 2–6 cm wide. Lobes strongly convolute, contorted, elongate, sublinear, sparsely dichotomously branched, 3.5–8 mm wide when flattened, 1–4 mm wide when dry and convoluted; marginal and laminal lobules sometimes present in older lobes. Upper surface pale yellow-green, darkening in older central lobes, dull, emaculate, smooth, with older lobes becoming rugulose and cracked, without soredia and isidia. Medulla white. Lower surface pale brown to dark brown; rhizines very sparse, simple, concolorous. Apothecia not seen. Pycnidia not seen. CHEMISTRY: cortex K-, UV-; medulla K+ yellow then dark red, C-, P+ orange; containing usnic acid, norstictic acid and connorstictic acid.
  Widespread but not common, endemic, on soil in mallee scrub and arid shrublands of the Nullarbor Plain and the Murray Mallee (S.A. and Vic.).  
  Elix (1994z)  

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

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