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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
Phaeographis girringunensis A.W.Archer & Elix

Australas. Lichenol. 63: 27 (2008)

T: Stoney Ck, above Wallaman Falls, Girringun Natl Park, 51 km W of Ingham, Qld, 18°35’54”S, 145°47’51”E, alt. 545 m, on dead tree in rainforest margin along creek, 25 July 2006, J.A.Elix 38114; holo: CANB.

  Thallus pale green to pale fawn, somewhat glossy and subtuberculate. Ascomata conspicuous, off-white, scattered or occasionally clustered, with a conspicuous thalline margin, straight, curved or sinuous, sometimes branched, 1–4 mm long, 0.3–0.6 mm wide, initially closed, becoming open to expose a black faintly white-pruinose disc. Proper exciple thin, completely carbonised. Hymenium 120–140 µm thick, not inspersed; subhymenial layer reddish brown. Ascospores 8 per ascus, irregularly biseriate, elongate-ellipsoidal, terminally rounded, initially hyaline, becoming pale brown, transversely 6 (–8)-locular, 26–30 × 6–8 µm.
CHEMISTRY: Stictic acid (major), peristictic acid (minor).
  An uncommon, endemic, corticolous species in north-eastern Qld.  
  Archer (2009a)  

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

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