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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
Graphis striatula (Ach.) Spreng.

Syst. Veg. 4 (1): 250 (1827)

Opegrapha striatula Ach., Syn. Meth. Lich. 74 (1814).

T: Guinea, ad corticem Uvariae, coll. unknown; holo: H-ACH 629 n.v.

  Thallus off-white to pale fawn, thin, smooth, dull. Ascomata numerous, conspicuous, black, sulcate, sessile, with a negligible thalline margin, straight, curved or sinuous, rarely branched, 1–2 (–3) mm long, 0.2–0.3 mm wide. Proper exciple laterally carbonised, occasionally weakly carbonised at the base. Hymenium 100–125 µm thick, not inspersed. Ascospores 8 per ascus, irregularly biseriate, transversely 10–14 (–16)-locular, 40–60 × 7–10 µm, I+ blue-violet.
CHEMISTRY: No lichen compounds detected.
  Corticolous in eastern Qld and N.S.W.; also in South America, East Africa, the Philippines and the Hawaiian Islands.  
  Archer (2009a)  

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

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