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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 subisidiosa A.W.Archer
  Mycotaxon 41: 242 (1991)
T: North Stradbroke Is., Qld, 27°29’S, 153°26’E, 10 Aug. 1986, J.Hafellner 19204; holo: GZU.
  Thallus pale cream-white, thin, continuous, smooth and dull. Soredia absent. Isidia simple, concolorous with the thallus, profuse, 0.1–0.3 mm tall, 0.05–0.10 mm wide. Apothecia inconspicuous, verruciform, isidiate, concolorous with the thallus, scattered, flattened-hemispherical, not constricted at the base, 0.5–0.7 mm diam. Ostioles conspicuous, black, 0.1–0.2 mm diam., 1 per verruca. Ascospores 4 per ascus, uniseriate, ellipsoidal, rough, 80–95 × 30–35 µm. CHEMISTRY: Thallus K–, KC–, C–, Pd–; containing 2,5-dichlorolichexanthone (major), 2,4,5-trichlorolichexanthone (major), stictic acid (major), 2-chlorolichexanthone (minor), 2,4-dichlorolichexanthone (trace), constictic acid (trace), cryptostictic acid (trace) and menegazziaic acid (trace).
  An uncommon, coastal, corticolous species in eastern Qld and N.S.W.; also in New Zealand.  
  Archer (2004b)  

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

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