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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
Canoparmelia pruinata (Müll.Arg.) Elix & J.Johnst.
  Brunonia 9: 158 (1987); Parmelia pruinata Müll.Arg., Flora 66: 46 (1883); Parmelina pruinata (Müll.Arg.) Hale, Phytologia 28: 483 (1974). T: Yorke Peninsula, S.A., 1879, O.Tepper; holo: G.  
  Thallus adnate, to 3–5 cm wide. Lobes moderately imbricate, subirregular to sublinear, 2–4 mm wide; apices rotund. Upper surface grey to pale whitish grey, often pruinose towards lobe apices, dull, smooth or becoming rugulose, lacking soredia, pustules and isidia. Medulla white. Lower surface black, with brown marginal zone; rhizines moderately dense, simple, black. Apothecia common, 4–15 mm wide; disc concave, becoming flat, densely white-pruinose; thalline exciple persistent. Ascospores 9–13 × 7–9 µm. Pycnidia common near lobe apices. Conidia bacilliform to weakly fusiform, commonly curved, 9–11 × 1 µm. CHEMISTRY: cortex K+ yellow; medulla K-, C+ red, KC+ red, P-; containing atranorin, chloroatranorin and lecanoric acid.
  A common endemic species inhabiting twigs of trees and shrubs in southern areas of W.A., S.A., A.C.T. and western Vic. Grows on bark.  
  Elix (1994c)  

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

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