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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 pustuliza (Elix) Elix & J.Johnst.
  in J.A.Elix, J.Johnston & P.M.Armstrong, Bull. Brit. Mus. (Nat. Hist.), Bot. 15: 313 (1986); Parmelia pustuliza Elix, Austral. J. Bot. 29: 367 (1981). T: Gudgenby River Gorge, south of Tharwa, A.C.T., 26 June 1979, J.A.Elix 6117; holo: MEL.  
  Thallus foliose, tightly adnate, to 3–5 cm wide. Lobes imbricate or not, sublinear-elongate, irregularly to subdichotomously branched, 0.5–1.5 (–2) mm wide. Upper surface yellow-green, flat, shiny, emaculate, often with transverse cracks, soon developing numerous isidia; lobe margins black; isidia globose, coarse, short, appearing granulose; isidia apices epicorticate, erumpent into pustulate or coarsely subsorediate masses. Medulla white. Lower surface flat, black; rhizines moderately dense, simple, black. Apothecia sessile, 1–3 mm wide; disc concave, dark brown; thalline exciple smooth. Ascospores 6–9 × 3.5–5.5 µm. Pycnidia not seen. CHEMISTRY: cortex K-, UV-; medulla K+ yellow then dark red, C-, KC-, P+ yellow; containing usnic acid, norstictic acid, connorstictic acid, ±hypostictic acid (trace), ±hyposalazinic acid (trace) and ±constipatic acid (trace).
  Rare, confined to smooth, very moist rock surfaces in mountain areas of southern Australia (W.A., S.A., N.S.W., A.C.T., Vic. and Tas.); also on both main islands of New Zealand.  
  Elix (1994z)  

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

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