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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 consociata (Elix) Elix & J.Johnst.
  in J.A.Elix, J.Johnston & P.M.Armstrong, Bull. Brit. Mus. (Nat. Hist.), Bot. 15: 214 (1986); Parmelia consociata Elix, Austral. J. Bot. 29: 352 (1981). T: south-west of Glendale Crossing, A.C.T., 13 Apr. 1977, J.A.Elix 3142; holo: MEL; iso: CANB.  
  Thallus small-foliose to subcrustose, tightly adnate, to 3–6 cm wide. Lobes contiguous, flat, sublinear, irregularly branched, 0.3–1 mm wide, without lobules. Upper surface greenish yellow, dull, emaculate, without soredia; older lobes irregularly fractured and areolae commonly formed; isidia sparse to moderately dense, cylindrical, mainly simple, short, up to 0.2 mm high; isidia apices syncorticate. Medulla white. Lower surface pale brown to brown, often straw-yellow near lobe apices; rhizines moderately dense, simple, pale brown. Apothecia sessile, 0.5–1 mm wide; disc concave, dark brown; thalline exciple smooth, isidiate. Ascospores 6–9 × 3.5–5.5 µm. Pycnidia common. Conidia bifusiform, 6–7 × 0.5 µm. CHEMISTRY: cortex K-, UV-; medulla K+ yellow then dark red, C-, CK-, P+ intense yellow; containing usnic acid, salazinic acid (major), norstictic acid (minor) and ±consalazinic acid.
  Rare, endemic, on rock in arid central Australia (N.T.), and subalpine eucalypt forests of southern N.S.W. and A.C.T. Also in Lord Howe Is.  
  Elix (1994z)  

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

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