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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
Phaeographis subdividens (Leight.) Müll.Arg.

Flora 65: 383 (1882)

Graphis subdividens Leight., Trans. Linn. Soc. London 27: 177 (1869).

T: Central Province,Ceylon [Sri Lanka], G.H.K.Thwaites s.n. (CL 147); holo: BM.

  Thallus off-white to pale fawn, thin, smooth, glossy. Ascomata numerous, scattered, black, open, semi-immersed, usually simple, rarely branched, straight, curved or sinuous, 1–3 mm long, 0.15–0.25 mm wide. Disc black, epruinose. Proper exciple medium brown to dark brown laterally, yellow-brown below. Hymenium 80–100 µm thick, not inspersed. Ascospores 8 per ascus, irregularly biseriate, elongate-ellipsoidal, pale brown, 4–6-locular, (16–) 18–22 × 6–8 µm.
CHEMISTRY: No lichen compounds detected.
  An uncommon, corticolous lichen in north-eastern Qld; also in India, Sri Lanka and the Solomon Islands.  
  Archer (2009a)  

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

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