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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 streimannii A.W.Archer

Fl. Australia 57: 652 (2009)

T: Big Tableland, 26 km S of Cooktown, Qld, 15°43’S, 145°16’E, alt. 550 m, on Acacia at edge of Eucalyptus-dominated grassland and rainforest beside a stream, 4 July 1984, H.Streimann 30884; holo: CANB.

[Phaeographis exilior auct. non (Vain.) A.W.Archer: A.W.Archer, Biblioth. Lichenol. 94: 120 (2006)].

  Thallus greyish white, thin, smooth, dull. Ascomata numerous, crowded, inconspicuous, immersed, curved or sinuous, richly branched, 1–2 mm long, c. 0.1 mm wide; lips open, with a thin conspicuous thalline margin. Disc pale reddish brown, epruinose. Proper exciple inconspicuous. Hymenium 75–100  µm thick. Ascospores irregularly biseriate, ellipsoidal, submuriform, 4 × 2-locular, 15–18 × 7–9 µm.
CHEMISTRY: No lichen compounds detected.
  A very rare, corticolous species in north-eastern Qld; known only from the type locality.  
  Archer (2009a)  

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

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