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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 descissa Müll.Arg.

Bull. Herb. Boissier 3: 318 (1895)

T: Qld, locality unknown, 1887, C.Knight 339; holo: G.

  Thallus off-white, thin, smooth, dull. Ascomata black, conspicuous, numerous, semi-immersed, curved or sinuous, often branched, 1–4 (–5) mm long, 0.15–0.30 mm wide, with a conspicuous white thalline margin; lips closed. Proper exciple completely carbonised. Hymenium 100–120 µm thick, not inspersed. Ascospores 8 per ascus, transversely 8–10
(–11)-locular, 28–37 (–40) × 6–8 µm, I+ blue.
CHEMISTRY: Stictic acid.
  An inconspicuous, corticolous species in eastern Qld and north-eastern N.S.W.; also on Christmas Island (Indian Ocean).  
  Archer (2009a)  

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

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