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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
Platythecium pertenellum (Stirt.) A.W.Archer

Telopea 11: 77 (2005)

Graphis pertenella Stirt., Trans. & Proc. Roy. Soc. Victoria 17: 72 (1881); — Graphina pertenella (Stirt.) Shirley, Proc. Roy. Soc. Queensland 6: 208 (1889).

T: Brisbane, Qld, F.M.Bailey 79; holo: BRI (AQ720192); iso: BRI.

Graphina brachyspora Müll.Arg., Flora 66: 79 (1883). T: Rockhampton, Qld, A.Thozet 47; holo: G.

Graphis laevigata Müll.Arg., Nuovo Giorn. Bot. Ital. 23: 398 (1891); Graphina laevigata (Müll.Arg.) A.W.Archer, Telopea 8: 288 (1999). T: Brisbane, Qld, 1889, F.M.Bailey 484; holo: G; iso: G.

[Graphina colliculosa auct. non (Mont.) Hale: H.J.M.Sipman & H.Streimann, Australas. Lichenol. 42: 10 (1998)].

  Thallus pale brownish green to pale olive-green, thick, rimose, smooth, dull. Ascomata dark reddish brown, immersed, numerous, scattered or in irregular clusters, straight, curved or sinuous, sometimes branched, 0.5–1.0 (–2.0) mm long, c. 0.2 mm wide; lips closed or becoming open, with a thin white thalline margin that, occasionally, becomes more conspicuous. Disc reddish brown, epruinose. Proper exciple apically brown. Hymenium 70–80 µm thick, I–. Ascospores irregularly uniseriate, ellipsoidal, submuriform, 4 (–6) × 1–2-locular, 9–14 (–16) × 5–7 µm.
CHEMISTRY: Protocetraric acid.
  An uncommon, corticolous species in north-eastern Qld; also in Vanuatu.  
  Archer (2009a)  

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

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