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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 sublacerans A.W.Archer
  Mycotaxon 41: 242 (1991)
T: top of Intermediate Hill, Lord Howe Is., [31°33’S, 159°06’E],July 1911, W.W.Watts s.n.; holo: NSW L5219.
  Thallus olive-green, thin, somewhat areolate and cracked, glossy. Soredia and isidia absent. Pustules numerous, subisidioid, finally hemispherical to subspherical, 0.5–1.5 mm diam., the upper part opening to reveal the white medulla. Apothecia disciform, somewhat sunken; disc 0.5–1.0 mm diam., white-pruinose. Ascospores rare, 1 per ascus, ellipsoidal, 150–175 × 60–70 µm; wall smooth, c. 1 µm thick. CHEMISTRY: Thallus K+ yellow → red, KC–, C–, Pd+ yellow; containing norstictic acid (major) and connorstictic acid (trace).
  An uncommon, corticolous species in eastern Qld and N.S.W.; also in Papua New Guinea, Lord Howe Is. and Norfolk Is.  
  Archer (2004b)  

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

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