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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
Phyllopsora neofoliata Elix

Australas. Lichenol. 59: 26 (2006)

T: Max Nicholls Track, Lord Howe Is., 31°31’08”S, 159°03’03”E, on tree in lowland forest, 20 June 1992, J.A.Elix 32714; holo: CANB.

  Thallus squamulose, effuse, to 5 cm wide. Prothallus well developed, white. Squamules 0.3–0.8 mm wide, adnate at first, isodiametric, plane to weakly convex, crenate-incised to digitate-incised, imbricate, later ascending, lacking isidia but becoming lacinulate. Upper surface yellow-green to pale green, glossy or often becoming finely pubescent along the squamule margins. Lacinules common, growing from the lobe apices or margins, initially subglobose, becoming elongate and ±imbricate. Upper cortex of type 2, 5–15 μm thick. Apothecia common, 0.5–1.5 mm wide, solitary or conglomerate; disc plane to convex, pale yellow-orange to pale tan or orange-brown, ±darker in the centre, immarginate or with a distinctly paler margin that is pubescent at least in some immature apothecia. Proper exciple pale orange-tan. Epihymenium golden yellow. Hypothecium intensely golden yellow. Ascospores simple, narrowly ellipsoidal, 10–15 × 2–3 μm. Pycnidia not seen.
CHEMISTRY: Cortex and medulla K–, C–, KC–, P–, UV+ blue-white; containing furfuraceic acid (major), ±physodic acid (minor or trace).
  Known from rainforest and coastal forest in eastern Qld, N.S.W. and Lord Howe Island.  
  Elix (2009h)  

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

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