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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
Pertusaria lacerans Müll.Arg.
  Flora 67: 270 (1884)
T: Apiahy, Brazil; May 1881, J.I.Puiggari s.n.; holo: G.
  Thallus olive-green, somewhat areolate and cracked, smooth and glossy. Soredia and isidia absent. Pustules 0.2–1.0 mm diam., opening at the top to reveal the white medulla. Apothecia disciform, inconspicuous, immersed in larger pustules. Ascospores rare, 1 per ascus, elongate-ellipsoidal, smooth, 170–180 (–225) × 35–40 (–50) µm; wall c. 1 µm thick. CHEMISTRY: Thallus K–, KC+ violet, C–, Pd–; containing picrolichenic acid (major), subpicrolichenic acid (minor) and ±lichexanthone (trace to minor).
  An uncommon, corticolous species in Qld and N.S.W.; also in Papua New Guinea, Fiji and Brazil.  
  Archer (2004b)  

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

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