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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 petrophyes C.Knight
     
  Trans. Linn. Soc. London, ser. 2, 2: 47 (1881)
T: [near Sydney],N.S.W., C.Knight s.n.; holo: WELT; iso: H-NYL 23608. *****Pertusaria leucoxantha Müll.Arg., Bull. Herb. Boissier 3: 637 (1895). T: Thursday Is., Qld, 1887, C.Knight 280; holo: G.
 
     
  Thallus pale fawn or pale yellowish green, thin to effuse, smooth and dull. Soredia and isidia absent. Apothecia few to numerous, verruciform, sometimes confluent, flattened-hemispherical or irregular in outline, 0.5–1.5 mm diam. Ostioles black, 1 or 2 per verruca, sometimes raised. Ascospores 8 per ascus, irregularly uniseriate, ellipsoidal, smooth, 60–85 × 25–45 µm. CHEMISTRY: Thallus K–, KC+ weak orange, C+ weak orange, Pd–; containing thiophaninic acid (major), 2-O-methylperlatolic acid (major) and 2-chloro-6-O-methylnorlichexanthone (trace).
     
  A widely distributed, saxicolous species found in Qld, N.S.W. and Vic.; also in Papua New Guinea, Lord Howe Is. and New Zealand.  
     
  .  
     
     
  Archer (2004b)  

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