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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
Platygramme commutabilis (Kremp.) A.W.Archer

Fl. Australia 57: 652 (2009)

Graphis commutabilis Kremp., Nuovo Giorn. Bot. Ital. 7: 33 (1875); — Phaeographina commutabilis (Kremp.) Zahlbr., Cat. Lich. Univ. 2: 437 (1924).

T: Sarawak, Borneo, [Malaysia], 1866, O.Beccari 196b; lecto: M, fide A.W.Archer, Fl. Australia 57: 652 (2009).

[Platygramme platyloma auct. non (Müll.Arg.) M.Nakan. & Kashiw.: A.W.Archer & J.A.Elix, Telopea 11: 461 (2007)].

  Thallus pale fawn to pale reddish brown, smooth, glossy. Ascomata inconspicuous, scattered, sessile, straight, curved or sinuous, occasionally branched, 2–6 mm long, 0.3–0.5 mm wide; lips slightly open, exposing the black epruinose disc. Proper exciple conspicuously apically to laterally carbonised. Ascospores 1 per ascus, pale brown, densely muriform, 80–100 × 24–30 µm.
CHEMISTRY: No lichen compounds detected.
  Very rare on bark in north-eastern Qld. Reported for the first time from Australia; also in Malaysia.  
  Archer (2009a)  

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

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