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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
Buellia metaphragmia (C.Knight) Elix

Fl. Australia 57: 660 (2009)

Lecidea metaphragmia C.Knight, Trans. Linn. Soc. London, Bot. 2: 44 (1882); Hafellia metaphragmia (C.Knight) Pusswald, in J.A.Elix, Australas. Lichenol. 63: 5 (2008).

T: [neighbourhood of Sydney] N.S.W., “ad cortices arborum”; lecto: the illustration in C.Knight, Trans. Linn. Soc. London, Bot. 2: pl. 8, fig. 22 (1882), fide W.Pusswald, in J.A.Elix, Australas. Lichenol. 63: 5 (2008).

  Thallus corticolous or lignicolous, 1–3 cm wide, thin, membranous, continuous to finely rimose and areolate, whitish or grey-white, densely covered with brown granules. Prothallus not apparent. Apothecia common, 0.2–0.4 mm wide, sessile; disc black, epruinose, plane to weakly convex, glossy; margin black, thick, prominent. Proper exciple brown-black. Epihymenium 10–20 μm thick, brown, K–. Hymenium 50–80 μm thick, not inspersed with oil droplets. Hypothecium 50–70 μm thick, brown. Asci usually 8-spored, rarely 4- or 6-spored. Ascospores 1–3-septate, 12–20 × 5–9 μm, with strong subapical thickenings and weak septal wall thickenings; outer wall markedly ornamented. Pycnidia not seen.
CHEMISTRY: Thallus K–, C–, P–; no lichen substances detected.
  This endemic species occurs on bark and dead wood in dry-sclerophyll forest in W.A., N.S.W. and Vic.  
  Elix (2009l)  

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

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