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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 hypomelaenum (Müll.Arg.) Staiger

Biblioth. Lichenol. 85: 300 (2002)

Phaeographis hypomelaena Müll.Arg., Flora 69: 313 (1886).

T: French Guyana, F.M.R.Leprieur 188;holo: G n.v.

Phaeographis necopinata A.W.Archer & Elix, Mycotaxon 72: 92 (1999). T: Mt Baldy, 4 km SW of Atherton, Qld, 25 June 1984, J.A.Elix 16233; holo: CANB.

  Thallus pale fawn to pale olive-green, thin, smooth, glossy. Ascomata conspicuous, scattered, rarely clustered, sessile, open, black, with a conspicuous thalline margin, straight, curved or sinuous, rarely branched, 1–4 (–5) mm long, 0.3–0.5 mm wide. Proper exciple completely carbonised, concealed by the thalline margin. Hymenium 125–150 µm thick. Ascospores irregularly biseriate, cylindrical with rounded ends, 7–8 (–10)-locular, 25–40 × (8–) 9–12 µm.
CHEMISTRY: Hypostictic acid (major), conhypoprotocetraric acid (trace), hyposalazinic acid (trace).
  An uncommon, corticolous species in north-eastern Qld; also in French Guyana, Mexico and the U.S.A.  
  Archer (2009a)  

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

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