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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
Hemithecium radicicola (A.W.Archer) A.W.Archer

Telopea 11: 75 (2005)

Graphina radicicola A.W.Archer, Mycotaxon 77: 175 (2001).

T: Windsor Tableland, 45 km NW of Mossman, Qld, 26 June 1984, H.Streimann 29599; holo: CANB; iso: US.

  Thallus olive-green, thin, smooth, glossy. Ascomata inconspicuous, initially fissurine, straight, curved or sinuous, unbranched, 1–3 mm long, 0.2–0.4 mm wide; lips thickening, opening and developing pale fawn margins. Proper exciple inconspicuous. Hymenium 150–170 µm thick, I–. Ascospores 4 per ascus, 10–12 × 2–3-locular, 35–48 × 15–20 µm, I+ blue.
CHEMISTRY: Stictic acid.
  A very rare, endemic, corticolous species in north-eastern Qld.  
  Archer (2009a)  

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

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