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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 orarensis A.W.Archer & Elix
  in A.W.Archer, Biblioth. Lichenol. 69: 117 (1997)
T: Orara State Forest, 23 km WNW of Coffs Harbour, N.S.W., 30°15’S, 152°55’E, 17 Sept. 1996, A.W.Archer P857; holo: NSW.
  Thallus pale greenish grey, thin, smooth and slightly glossy. Soredia and isidia absent. Apothecia inconspicuous, verruciform, scattered, rarely confluent, flattened-hemispherical, concolorous with the thallus, 1.0–1.5 mm diam. Ostioles inconspicuous, black, punctiform, 1 per verruca. Ascospores 8 per ascus, irregularly biseriate, ellipsoidal to subfusiform, 70–92 × 25–33 µm. CHEMISTRY: Thallus K–, KC–, C–, Pd–; containing divaricatic acid (major), 2-chloroliche-xanthone (minor), methyl 2,2’-di-O-methyldivaricatate (minor) and methyl 2-O-methyl-divaricatate (trace).
  An endemic, corticolous species that is known from two localities in north-eastern N.S.W.  
  Archer (2004b)  

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

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