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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 thula A.W.Archer
  Mycotaxon 41: 246 (1991)
T: The Tip, Cape York Penin., Qld, 26 Sept. 1976, U.Allen s.n.; holo: HO 50934.
  Thallus dull yellow, areolate and cracked, thin. Soredia and isidia absent. Apothecia conspicuous, verruciform, flattened-hemispherical, concolorous with the thallus, constricted at the base, sometimes confluent, 0.8–2.0 mm diam. Ostioles conspicuous, subpapilliform, concolorous with the verrucae, 1–4 per verruca. Ascospores 8 per ascus, irregularly biseriate, broadly ellipsoidal, smooth, 60–85 × 37–50 µm. CHEMISTRY: Thallus K–, KC+ yellow-orange, C+ yellow-orange, Pd–; containing thiophanic acid (major), asemone [4,5,7-trichloronorlichexanthone] (minor), arthothelin (minor) and 6-O-methylasemone (trace).
  A endemic, saxicolous species in Cape York Peninsula, north-eastern Qld.  
  Archer (2004b)  

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

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