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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 thwaitesii Müll.Arg.
  Flora 67: 470 (1884)
T: Peradeniya, Ceylon [Sri Lanka], 1876, G.H.K.Thwaites s.n.; holo: G. ****Pertusaria wilsonii A.W.Archer, Mycotaxon 41: 250 (1991). T: Clarke Ra., 46 km S of Proserpine, Qld, J.A.Elix 20943; holo: CANB.
  Thallus off-white to pale grey, wrinkled, cracked and areolate, dull. Soredia and isidia absent. Apothecia numerous, conspicuous, verruciform, concolorous with the thallus, strongly flattened-hemispherical or irregular in outline, 1–2 mm wide. Ostioles numerous, conspicuous, initially pale, becoming black, punctiform and somewhat sunken, 3–8 (–15) per verruca. Ascospores 2 per ascus, elongate-ellipsoidal, rough, 110–160 (–175) × 35–50 µm. CHEMISTRY: Thallus K–, KC–, C–, Pd+ orange-red; containing protocetraric acid (major), virensic acid (trace) and ±lichexanthone (trace to minor).
  A predominantly coastal, corticolous species in Qld, N.S.W. and Vic.; also in Sri Lanka and Papua New Guinea.  
  Archer (2004b)  

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

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