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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 junghuhnii (Mont. & Bosch) Kalb, Staiger & Elix

Symb. Bot. Upsal. 34(1): 157 (2004)

Ustalia junghuhnii Mont. & Bosch, in F.A.W.Miquel, Pl. Junghuhn. 4: 477 (1855).

T: Java, [Indonesia], F.W.Junghuhn; holo: L n.v., fide K.Kalb, B.Staiger & J.A.Elix, loc. cit.; iso: G n.v.

[Graphina mendax auct. non (Nyl.) Müll.Arg.: A.W.Archer, Mycotaxon 77: 158 (2001)].

  Thallus pale greyish white, thick, smooth, dull. Ascomata inconspicuous, numerous, sometimes crowded, initially immersed, becoming subimmersed to sessile, with a conspicuous raised thalline margin, straight, curved or sinuous, rarely branched, 1–4 mm long, 0.2–0.5 mm wide; lips initially closed, opening to expose the white-pruinose epihymenium. Proper exciple lacking. Hymenium 125–175 µm thick, I+ pale blue. Ascospores 1 per ascus, densely muriform, c. 30 × 6-locular, (70–) 78–105 × 20–35 µm, I+ blue.
CHEMISTRY: Norstictic acid.
  Corticolous in northern N.T. and north-eastern Qld; pantropical.  
  Archer (2009a)  

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

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