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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 aquilonia A.W.Archer & Elix
  in A.W.Archer, Biblioth. Lichenol. 69: 46 (1997)
T: Portland Roads, 14 km SW of Cape Weymouth, Qld, 12°42’S, 143°20’E, 18 Oct. 1995, H.Streimann 56605A; holo: CANB.
  Thallus off-white, thin, smooth and glossy. Soredia and isidia absent. Apothecia inconspicuous on the rough substratum, verruciform, scattered, flattened-hemispherical, somewhat distorted, concave above, 0.8–1.2 mm diam. Ostioles inconspicuous, black-punctiform in a grey translucent zone, 1 per verruca. Ascospores 3 (or 4) per ascus, ellipsoidal, smooth, 70–80 × 25–35 µm. CHEMISTRY: Thallus K–, KC–, C–, Pd–; containing 2,4,5-trichlorolichexanthone (major), 2-O-methylperlatolic acid (major), 2,5-dichlorolichexanthone (minor), 2-chlorolichexanthone (minor), 2,4-dichlorolichexanthone (trace), 2’-O-methylperlatolic acid (trace) and planaic acid (trace).
  This rare, endemic, corticolous species is known only from the type locality in north-eastern Qld.  
  Archer (2004b)  

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

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