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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 convolutella Elix
  Mycotaxon 63: 426 (1997). T: Western Australia. Gairdner River, South Coast Highway, 5 km ENE of Jerramungup, 33°15'S, 118°58'E, 260 m, on granite rocks in cleared rocky paddock with small scattered trees, J. A. Elix 41538, 18 Sept. 1994;  holo: CANB.  
  Thallus foliose, saxicolous, moderately to loosely adnate, 6-10 cm wide.  Lobes imbricate, more or less flat to convex, irregularly branched, 1-2 mm wide; often with dense laciniae growing over the primary lobes, laciniae imbricate or entangled, subpulvinate, revolute to convolute, elongate, subdichotomously branched, 0.3-0.5(-1.0) mm wide, occasionally becoming subterete.  Upper surface  pale yellow-green, flat to convex, shiny but becoming dull and darkening with age, smooth to slightly rugulose, lacking maculae, soredia and isidia.  Medulla white.  Lower surface ivory to light brown, darker at apices; rhizines sparse to moderately dense, simple, concolorous.  Apothecia not seen.  Pycnidia common; conidia bifusiform, 5-6 x 0.5 µm. CHEMISTRY: Cortex K-; medulla K-, C-, KC+ rose, P-; containing usnic acid (major), norlobaridone (major), loxodin (minor).
  X. convolutella appears to be confined to south-western Western Australia, where it occurs on scattered granite inselbergs.  
  Elix (1997c)  

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

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