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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 circumfusum (Stirt.) Kalb, Staiger & Elix

Symb. Bot. Upsal. 34(1): 145 (2004)

Graphis circumfusa Stirt., Trans. & Proc. Roy. Soc. Victoria 17: 73 (1881).

T: Brisbane, Qld, F.M.Bailey 201; lecto: GLAM n.v., fide R.W.Rogers, Austrobaileya 1: 503 (1982); isolecto: BM.

Graphis innata C.Knight, Proc. Roy. Soc. Queensland 6: 201 (1889). T: Mount Perry, Qld, C.Knight 689; holo: WELT; iso: BRI.

Graphis baileyana Müll.Arg., Hedwigia 32: 132 (1893). T: Brisbane, Qld, 1891, F.M.Bailey 1586, 1617, 1618; syn: G.

  Thallus pale greyish white, smooth, dull. Ascomata inconspicuous, scattered, open, subimmersed, ellipsoidal or irregular in outline, 0.5–1.0 mm long, 0.2–0.3 mm wide, with a poorly defined thalline margin. Proper exciple lacking. Epihymenium black, white-pruinose. Hymenium 100–125 (–150) µm thick. Ascospores 8 per ascus, biseriate, transversely (12–) 16–21-locular, (45–) 60–75 (–95) × (7–) 8–10 µm, I+ blue-violet.
CHEMISTRY: Norstictic acid.
  A widespread, endemic, corticolous species in temperate and subtropical rainforest in south-eastern Qld and eastern N.S.W.  
  Archer (2009a)  

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

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