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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 dehiscens Müll.Arg. var. dehiscens
  Flora 67: 349 (1884)
T: Apiahy, Brazil, July 1882, J.I.Puiggari 499 p.p.; lecto: G; fide Oshio, in sched.
  Thallus pale to dark olive-green, dull, wrinkled and cracked. Soredia and isidia absent. Apothecia numerous, conspicuous, verruciform, concolorous with the thallus, flattened-hemispherical, 0.8–1.5 mm diam. Ostioles black, punctiform, 2–5 per verruca, in a hyaline zone that becomes rather conspicuous, deeply concave and almost disciform, to 0.8 mm diam. Ascospores 8 per ascus, biseriate, fusiform, smooth, 100–140 (–150) × 35–50 µm. CHEMISTRY: Thallus K–, KC–, C–, Pd–; containing lichexanthone (major), stictic acid (minor), constictic acid (minor), ±menegazziaic acid (trace) and ±cryptostictic acid (trace).
  A widely distributed variety which occurs in eastern Qld and north-eastern N.S.W.; also in Lord Howe Is., Norfolk Is., Brazil and India.  
  Archer (2004b)  

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

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