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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 anthracophila (Nyl.) P.James & Gotth.Schneid.

in G.Schneider, Biblioth. Lichenol. 13: 81 (1979)

Lecidea anthracophila Nyl., Flora 48: 603 (1865).

T: Finland, 1865, J.P.Norrlin; lecto: H-NYL 20375 p.p. n.v., fide E.Timdal, Nordic J. Bot. 4: 93 (1984).

  Thallus squamulose, 3–5 cm wide. Squamules 0.4–1.3 mm wide, usually ascending, geotropically orientated, concave or plane when young, later weakly or strongly convex, green to grey-green or brown, glossy; margin slightly upturned or not, white or paler than the upper surface. Soredia farinose to granular, grey, forming marginal labriform soralia; isidia absent. Upper cortex 100–130 μm thick, composed of thick-walled hyphae. Apothecia uncommon, 0.8–1.3 mm wide, marginal or on the underside of ascending squamules, ±plane when young, soon becoming convex; disc reddish to dark brown, convex, epruinose, egyrose; margin ±prominent when young, entire, becoming excluded. Proper exciple pale brown to colourless. Epihymenium pale brown. Hypothecium colourless. Ascospores narrowly ellipsoidal to fusiform, usually simple, rarely 1-septate, 7–13 × 1.5–2.5 μm. Pycnidia not seen in Australian material [Reported to be sessile, black, attached marginally or on the undersides of squamules; conidia filiform, 6.5–12.5 × 1 μm (Timdal, 2004)].
CHEMISTRY: Cortex and soralia K–, C–, KC–, P+ orange-red; medulla K–, C–, KC+ purple, P–; containing 4-O-methylphysodic acid (major), colensoic acid (minor), fumarprotocetraric acid (minor), protocetraric acid (trace).
  Known from south-eastern N.S.W. where it is very rare on the base of Eucalyptus trees; common in temperate Europe, North America and Asia.  
  Elix (2009f)  

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

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