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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
Graphis stipitata A.W.Archer

Mycotaxon 80: 368 (2001)

T: Yungaburra road, 2 km SE of Atherton, Qld, on Casuarina, 27 Feb. 1983, H.Streimann 16826; holo: CANB; iso: H, US.

  Thallus off-white, thin, smooth, dull. Ascomata numerous, crowded, semi-immersed, straight, curved or sinuous, sometimes branched, 0.5–2.0 mm long, 0.10–0.15 mm wide; lips closed. Proper exciple laterally carbonised. Hymenium 80–90 µm thick, not inspersed. Ascospores 8 per ascus, irregularly biseriate, transversely 5–6-locular, 15–20 × 5–6 µm, I+ blue.
CHEMISTRY: Lichexanthone (major), norstictic acid (minor), connorstictic acid (trace); thallus UV+ yellow.
  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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