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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
Diorygma wallamanense A.W.Archer & Elix

Australas. Lichenol. 63: 27 (2008), as wallamanensis

T: Jinda Track to Wallaman Falls, Girringun Natl Park, 50 km W of Ingham, Qld, 18°35’21”S, 145°48’20”E, alt. 540 m, on base of tree in rainforest in river gorge, 25 July 2006, J.A.Elix 38058; holo: CANB; iso: BRI.

  Thallus off-white to pale fawn, smooth, glossy. Ascomata conspicuous, concolorous with the thallus, sessile, straight, curved or sinuous, sometimes branched, 1–4 (–5) mm long, 0.2–0.3 mm wide; lips initially closed, opening to expose a narrow reddish brown epruinose disc. Proper exciple non-carbonised, indistinct. Hymenium 100–120 µm thick, I–. Ascospores 8 per ascus, biseriate, transversely 10–12-locular, 40–50 × 8–10 µm, I+ blue-violet.
CHEMISTRY: Stictic acid (major), peristictic acid (minor).
  This very rare, corticolous species is known only from the type locality in north-eastern Qld.  
  Archer (2009a)  

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

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