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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
Leiorreuma melanostalazans (Leight.) A.W.Archer

Telopea 11: 75 (2005)

Platygrapha melanostalazans Leight., Trans. Linn. Soc. London 27: 180 (1869); — Phaeographis melanostalazans (Leight.) Müll.Arg., Flora 65: 336 (1882).

T: south of the island, Ceylon [Sri Lanka], G.H.K.Thwaites 155; holo: BM.

  Thallus pale fawn, thin, smooth, glossy. Ascomata black, conspicuous, scattered, numerous, open, straight, curved or sinuous, usually simple, occasionally branched, immersed, 1–5 mm long, 0.2–0.3 mm wide, with a thin thalline margin. Disc black, finely white-pruinose. Proper exciple completely carbonised, thick, wide at the base, tapering upwards. Hymenium 100–120 µm thick. Ascospores biseriate, elongate-ellipsoidal, 8–9-locular, 25–37 × 8–10 µm.
CHEMISTRY: Stictic acid.
  An uncommon, corticolous species in north-eastern Qld; also in French Guyana, Mexico, India, Sri Lanka, Thailand, Indonesia and the Hawaiian Islands.  
  Archer (2009a)  

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

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