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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 caesiopruinosa (Fée) Fée

Bull. Soc. Bot. France 21: 30 (1874)

Arthonia caesiopruinosa Fée, Essai Crypt. Écorc., Suppl. 36 (1837); — Phaeographina caesiopruinosa (Fée) Müll.Arg., Mém. Soc. Phys. Genève 29(8): 49 (1887).

T: South America,locality unknown, coll. unknown; holo: G n.v.

  Thallus pale fawn to pale greenish fawn, thin, smooth, glossy. Ascomata scattered or clustered, sessile, open, linear to oval or irregular in outline, 1–4 mm long, 0.3–0.8 mm wide, lacking a thalline margin. Disc black, densely white-pruinose. Proper exciple apically to laterally carbonised, remaining smooth. Hymenium 150–200 µm thick. Ascospores 1 per ascus, becoming pale brown (sometimes persistently hyaline), densely muriform, 75–100 × 16–22 µm.
CHEMISTRY: No lichen compounds detected.
  An uncommon, corticolous species in eastern Qld; also in Central and South America, Kenya and the Philippines.  
  Archer (2009a)  

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

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