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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 terrestris (Kurok. & Filson) Elix & J.Johnst.
  in J.A.Elix, J.Johnston & P.M.Armstrong, Bull. Brit. Mus. (Nat. Hist.), Bot. 15: 341 (1986); Parmelia terrestris Kurok. & Filson in R.B.Filson, Austral. J. Bot. 30: 574 (1982). T: 10 km west of Red Cliffs [Redcliffs] along the Werrimull road, Vic., 8 Dec. 1965, S.Kurokawa 6615; holo: TNS; iso: MEL.  
  Thallus foliose, loosely adnate, forming irregular subpulvinate patches or rosettes to 10 cm wide. Lobes often entangled, revolute to convolute, elongate, subdichotomously branched, 1–2 mm wide; often with laciniae growing over primary lobes, 0.3–0.5 mm wide, occasionally becoming subterete, coralloid, isidia-like, growing up from lobules in thallus centre. Upper surface pale yellow-green, convex, dull, smooth to slightly rugulose, lacking maculae, soredia and isidia. Medulla white. Lower surface pale tan to light brown; rhizines sparse to moderately dense, simple, concolorous. Apothecia occasional, sessile, to 2 mm wide; disc concave, smooth, brown; thalline exciple thick, crenulate. Ascospores 8–10 × 6–7 µm. Pycnidia common. Conidia bifusiform, 5–6 × 0.5 µm. CHEMISTRY: cortex K-, UV-; medulla K+ yellow then dark red, C-, P+ yellow then orange; containing usnic acid, norstictic acid (major), salazinic acid and connorstictic acid.
  Scattered, on soil and debris in mallee scrub and arid shrubland (W.A., S.A., N.S.W. and Vic.).  
  Elix (1994z)  

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

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