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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 borealis A.W.Archer & Elix

Australas. Lichenol. 61: 18 (2007)

T: Berry Springs Nature Park, 47 km S of Darwin, N.T., 12°42’06”S, 130°59’57”E, alt. 35 m, on twigs of treelet, 4 Aug. 2005, J.A.Elix 37360; holo: CANB.

  Thallus off-white to pale grey, smooth to subtuberculate. Ascomata lirelliform, inconspicuous, scattered, concolorous with the thallus, unbranched, straight, curved or sinuous, with a conspicuous thalline margin, 1–2 mm long, 0.2–0.3 mm wide; lips closed. Proper exciple lacking. Hymenium 120–140 µm thick. Ascospores 4–8 per ascus, elongate, transversely 16–18-locular, 40–56 × 7–8 µm, I–, with a thin halo (epispore) 1–2 µm wide.
CHEMISTRY: Protocetraric acid.
  A very rare, corticolous species, known only from the type locality in northern N.T.  
  Archer (2009a)  

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

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