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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
Acanthothecis gyridia (Stirt.) A.W.Archer

Telopea 11: 70 (2005)

Graphis gyridia Stirt., Trans. & Proc. Roy. Soc. Victoria 17: 77 (1881); — Graphina gyridia (Stirt.) Zahlbr., Cat. Lich. Univ. 2: 412 (1923).

T: Waterloo [c. 140 km WNW of Melbourne], Vic., H.Paton s.n.; lecto: BM, fide R.W.Rogers, Austrobaileya 1: 504 (1982).

  Thallus pale grey, thin, evanescent, smooth, slightly glossy. Ascomata lirelliform, conspicuous, appearing as pale dull yellow patches on the thallus, numerous, scattered, sessile, straight, curved or sinuous, sometimes branched, with a pale thalline margin, 1–4 mm long, c. 0.3 mm wide; lips closed. Proper exciple lacking. Hymenium 50–60 µm thick. Ascospores 8 per ascus, submuriform, narrowly ellipsoidal, 6–9 × 2-locular, 14–25 × 5–8 µm, I+ pale blue.
CHEMISTRY: Stictic acid.
  A rare, endemic, corticolous species in Vic. and Tas.  
  Archer (2009a)  

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

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