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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 thamnoides (Kurok.) Hale
  Phytologia 28: 489 (1974); Parmelia thamnoides Kurok., J. Hattori Bot. Lab. 32: 213 (1969). T: Freshwater Gorge, NW of Cairns, Qld, 6 Nov. 1965, S.Kurokawa 5723; holo: TNS; iso: MEL.  
  Thallus foliose, adnate, to 5–10 cm wide. Lobes imbricate or not, flat, sublinear-elongate, irregular, irregularly branched, 2–4 mm wide; margins incised, slightly thickened. Upper surface yellow-green, often blackened towards centre, emaculate, coriaceous, smooth, conspicuously rugose and irregularly cracked in older parts, lacking soredia; lobe margins black; isidia laminal, rarely at lobe apices, cylindrical becoming coralloid-branched, slender; isidia apices syncorticate and brownish. Medulla white. Lower surface shiny, black; rhizines moderately dense, simple, black. Apothecia and pycnidia not seen. CHEMISTRY: cortex K-, UV-; medulla K-, C-, KC+ rose, P-; containing usnic acid, ±loxodin, norlobaridone, ±conorlobaridone, ±scabrosin 4-acetate 4'-butyrate, ±scabrosin 4-acetate 4'-hexanoate and ±scabrosin 4,4'-dibutyrate.
  Occurs on rock in moist forests in eastern and southern Australia (Qld, N.S.W., A.C.T., Vic. and Tas.); rather rare except in north Qld. Also in Lord Howe Is. and 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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