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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 hypoxantha Malme
  Ark. Bot. 28A(9): 23 (1936)
T: Serra da Chapada, Mato Grosso, Brazil, June 1894, G.O.A.Malme 3932; holo: S.
  Thallus dull to bright yellow, areolate and cracked, smooth. Soredia and isidia absent. Apothecia uncommon, verruciform, scattered, rarely confluent, concolorous with the thallus, slightly flattened-hemispherical, becoming constricted at the base, 0.6–1.0 mm diam. Ostioles inconspicuous, pale to dark yellowish brown, 1 per verruca. Ascospores 8 per ascus, irregularly uniseriate, ellipsoidal, rarely subfusiform, smooth, 55–75 (–90) × 25–37 µm. CHEMISTRY: Thallus K–, KC+ orange, C+ orange, Pd– or Pd+ weak yellow; containing thiophaninic acid (major), stictic acid (major), constictic acid (minor), ±lichexanthone (minor to trace) and 2-chloro-6-O-methylnorlichexanthone (trace).
  A common, conspicuous, saxicolous species in eastern Qld and N.S.W.; also in New Zealand and Brazil.  
  Archer (2004b)  

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

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