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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 caesioradians (Leight.) Kalb

Lich. Neotrop. 13: [563] (2001)

Graphis caesioradians Leight., Trans. Linn. Soc. London 27: 176 (1869); — Graphina caesioradians (Leight.) Müll.Arg., Bull. Herb. Boissier 2, App. 1: 92 (1894); — Phaeographina caesioradians (Leight.) Redinger, Ark. Bot. 26A(1): 99 (1933); — Phaeographis caesioradians (Leight.) A.W.Archer, Telopea 11: 75 (2005), nom. superfl.

T: Central Province, Ceylon [Sri Lanka], G.H.K.Thwaites (CL 71); holo: BM.

  Thallus pale olive-green, thin, smooth, glossy. Ascomata conspicuous, numerous, scattered, straight, curved or sinuous, often branched, sessile, with a conspicuous thalline margin, 1–4 mm long, 0.3–0.4 mm wide; lips open. Disc white-pruinose. Proper exciple non-carbonised, rarely weakly carbonised and apically darkened. Hymenium 75–100 µm thick, not inspersed. Ascospores 8 per ascus, pale brown, submuriform to muriform, 6–8 × 2–3-locular, 23–35 × 10–13 µm.
CHEMISTRY: No lichen compounds detected.
  An uncommon, corticolous species in northern N.T. and eastern Qld; also in Brazil, Sri Lanka, Borneo, the Solomon Islands and the Hawaiian Islands.  
  Archer (2009a)  

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

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