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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 verdonii Elix & J.Johnst.
  in J.A.Elix, J.Johnston & P.M.Armstrong, Bull. Brit. Mus. (Nat. Hist.), Bot. 15: 346 (1986). T: Alfred National Park, east of Cann River township, Vic., 21 Nov. 1978, J.A.Elix 5252 & D.Verdon; holo: CANB.  
  Thallus foliose, adnate, to 5–7 cm wide. Lobes imbricate or not, flat, sublinear-elongate to subirregular, irregularly branched, 1–3 mm wide. Upper surface yellow-green, often blackened towards centre, shiny, emaculate, coriaceous, conspicuously rugose and irregularly cracked in older parts, without soredia; lobe margins commonly blackened; isidia warty to subglobose, sometimes becoming gnarled-branched; isidia apices epicorticate, inflated, some erumpent and becoming pustulate. Medulla white. Lower surface shiny, mostly black, elsewhere brown-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 and norlobaridone.
  Rare, on rock in moist forests in southern N.S.W., Vic., and Tas.; also on the South Is. of New Zealand.  
  Elix (1994z)  

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

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