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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
Protoparmelia pulchra Diederich, Aptroot & Sérus.

in A.Aptroot, P.Diederich, E.Sérusiaux & H.J.M.Sipman, Biblioth. Lichenol. 64: 147 (1997)

T: near the hut on the S shore of L. Piunde, Pindaunde Valley, Mt Wilhelm, Simbu Province, Papua New Guinea, 05°47’S, 145°43’E, alt. 3600 m, subalpine forest remnants on W slope of valley, 6 Aug. 1992, H.Sipman 35638; holo: B.

  Thallus whitish or pale to dark brown, thin, smooth and continuous, sometimes thicker, cracked and areolate, to 2 cm wide, effuse or often delimited by a dark brown prothallus. Areolae irregularly shaped, contiguous, 0.3–0.8 mm wide; upper surface ±plane to weakly convex, lacking isidia. Apothecia abundant, sessile, ±constricted at the base, round, 0.6–3.5 mm wide; disc pale to dark reddish brown, orange-brown or dark brown, ±plane or weakly convex, glossy, usually darker than the margin; thalline exciple ±undulate, pale, whitish to brownish, prominent, sometimes slightly curved over the disc, occasionally radially striate. Proper exciple poorly delimited. Epihymenium 10–12 µm thick. Hymenium 35–60 µm thick, colourless to brownish. Hypothecium 50–90 µm thick, colourless. Paraphyses colourless; apical cells not swollen, without a brown cap. Ascospores narrowly ellipsoidal, 9–17 × 2–3 µm. Pycnidia not seen.
CHEMISTRY: Cortex K–, C–, KC–, P–, N–; medulla K–, C–, KC+ pink, P–, UV+ blue-white; containing alectoronic acid (major), dehydroalectoronic acid (minor or trace), ±β-alectoronic acid (trace).
  Occurs on bark and dead wood in W.A., northern N.T., Qld and N.S.W.; also in Papua New Guinea.  
  Elix (2009g)  

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

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