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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 aridella Elix
  Mycotaxon 87: 397 (2003); Paraparmelia arida Elix & J.Johnst., Brunonia 9: 139 (1987). T: Mutitjula, Maggie Springs, Ayers Rock, 25°21'S, 131°02'E, N.T., 10 Sept. 1983, J.A.Elix 11164 & L.A.Craven; holo: CANB.  
  Thallus foliose, tightly adnate, to 6 cm wide. Lobes imbricate or not, irregular, irregularly branched, 1–3 mm wide. Upper surface pale grey to dark grey, flat, becoming dull, emaculate, smooth, without soredia; lobe apices shiny, black-margined; isidia dense in thallus centre, scattered on marginal lobes, globose becoming cylindrical and inflated especially at apices, sparingly branched or rarely becoming coralloid-branched, with apices epicorticate and intact. Lower surface shiny, pale buff to pale tan, often slightly darker towards lobe apices; rhizines sparse, simple or occasionally tufted, robust, short, concolorous or darkening. Apothecia and pycnidia not seen. CHEMISTRY: cortex K+ yellow; medulla K+ yellow then pale red, C-, P-; containing atranorin, hypostictic acid (major), hyposalazinic acid (minor) and 4-O-methylhypoprotocetraric acid (minor).
  A common endemic species in arid, inland areas of W.A., N.T., S.A. and N.S.W.  
  Elix (1994n)  

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

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