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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
Hypocenomyce tinderryensis Elix

Australas. Lichenol. 61: 21 (2007)

T: Tinderry Ra., 10 km E of Michelago, N.S.W., 35°45’S, 149°16’E, on dead Eucalyptus trunk on exposed S slope surrounded by open Eucalyptus dalrympleana-dominated forest, 12 Jan. 1993, H.Streimann 50968; holo: CANB; iso: B, KRAM, MSC, NY, TU.

  Thallus squamulose, to 10 cm wide. Squamules 0.3–0.8 mm wide, adnate, not proliferating, plane to moderately convex, white, off-white, pale olive-green to yellow-brown; isidia absent. Soralia marginal, initially pustulate, then spreading along margins and ±over the upper surface; soredia copious, white to pale yellow-grey, granular, 40–75 μm wide. Upper cortex 25–40 μm thick, including an epinecral layer to 15 μm thick. Apothecia common, 0.4–1.5 mm wide, attached to margins of squamules or directly to the substratum, ±plane; disc black, epruinose or faintly bluish white-pruinose, egyrose; margin persistent, becoming somewhat flexuose, concolorous with or partly paler than the disc, ±bluish white-pruinose. Proper exciple colourless within, with a green rim. Epihymenium brownish green. Hypothecium pale to mid-brown. Mature asci very rare. Ascospores simple, ellipsoidal, 6–8 × 2.5–3.0 μm. Pycnidia not seen.
CHEMISTRY: Cortex and medulla K–, C+ red, KC+ red, P–; containing lecanoric acid (major), ±orsellinic acid (trace).
  This rare, endemic lichen is known from south-western W.A. and south-eastern N.S.W.  
  Elix (2009f)  

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

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