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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 methoxymicareica Elix

Australas. Lichenol. 59: 25 (2006)

T: Clyde Mtn, 20 km SE of Braidwood, N.S.W., 35°35’S, 149°57’E, on base of Eucalyptus viminalis in wet-sclerophyll forest,14 Feb. 1989, J.A.Elix 22773; holo: CANB.

  Thallus crustose, formed by prothallus and by isidia developing directly from the prothallus; isidia dominating. Prothallus well developed, white to reddish brown. Isidia abundant, 0.1–0.2 mm tall, 15–20 μm thick, subcylindrical, pale green, often with a brown tinge, glabrous, branched and densely coralloid, often curved, decumbent or ascending. Apothecia common, 0.5–1.2 mm wide, ±round to irregular in outline, solitary or conglomerate; disc plane to weakly convex, pale yellow-orange to pale tan or orange-brown, with a paler margin in young apothecia, becoming immarginate. Proper exciple pale yellow-orange. Epihymenium orange-brown. Hypothecium pale brown in the lower part, orange-brown . Ascospores simple, narrowly ellipsoidal, 10–14 × 3–5 μm. Pycnidia not seen.
CHEMISTRY: Cortex and medulla K–, C–, KC–, P–; containing methoxymicareic acid (major), hydroxymicareic acid (trace).
  Known only from the type locality in south-eastern N.S.W.  
  Elix (2009h)  

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