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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 laubertianum (Fée) Staiger

Biblioth. Lichenol. 85: 288 (2002)

Graphis laubertiana Fée, Essai Crypt. Écorc. 41 (1825).

T: “America meridionalis” [South America], coll. unknown; holo: G n.v., fide B.Staiger, loc. cit.

Graphis argopholis C.Knight ex Müll.Arg., Flora 70: 401 (1887); — Hemithecium argophole (C.Knight ex Müll.Arg.) A.W.Archer, Telopea 11: 74(2005). T: “Australia orientali” [Qld], 1886, C.Knight s.n.; holo: G.

  Thallus off-white, thick, smooth, dull. Ascomata white, inconspicuous, immersed, numerous, crowded, curved or sinuous, often branched, visible as a slit with pale marginal lines on the surface of the thallus, 1–2 mm long, 0.2–0.3 mm wide. Proper exciple pale yellow-brown, complete. Hymenium 125–150 µm thick, I–. Ascospores 8 per ascus, biseriate, transversely septate, 6–10-locular, 28–32 × 7–8 µm, I+ blue.
CHEMISTRY: No lichen compounds detected.
  A very rare, corticolous lichen collected in eastern Qld (precise locality unknown); also in South America and the Caribbean.  
  Archer (2009a)  

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

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