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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
Lepraria lobata Elix & Kalb

Mycotaxon 94: 220 (‘2005’) [2006]

T: slopes of Angwin Peak, 19 km ESE of Mt Barker, Porongurups Ra., Porongurups Natl Park, W.A., 34°40’S, 117°51’E, on granite rocks in low sclerophyll forest with heath and numerous granite outcrops, 16 Sept. 1994, J.A.Elix 41327, H.T.Lumbsch & H.Streimann; holo: PERTH.

  Thalluscrustose, leprose, powdery, whitish green to greenish or bluish grey, usually delimited, forming extensive irregularly spreading patches to 10 cm wide, or small irregularly rounded colonies 5–10 mm wide which eventually coalesce. Margin usually with well-defined lobes 1–2 mm wide, ±raised at margins, covered with granules, to 250 μm thick. Soredia farinose, dispersed or forming a thick continuous layer, ±globose, 20–75 μm wide, commonly aggregated in ±rounded consoredia to 350 μm wide, with projecting hyphae to 20 (–100) μm long. Medulla white, distinct. Hyphae 1.6–3.0 μm thick. Lower surface not apparent, without a tomentum.Photobiont cells ±spherical, 7–12 μm diam. Hypothallus not apparent.
CHEMISTRY: Thallus K+ yellow, C–, KC–, P+ pale yellow, UV–; containing atranorin (major), zeorin (major or minor, very rarely absent), rangiformic or jackinic acid (major) or roccellic or angardianic acid (major), ±norrangiformic or norjackinic acid (minor or trace), ±pallidic acid (minor), ±conpallidic acid (minor), ±3’-demethylatranorin (trace), ±3,7-di-O-methylstrepilin (trace), ±unknown dibenzofurans (minor), ±fragilin (trace), ±7-chloroemodin (trace), ±ursolic acid (minor).
  This endemic species is known from W.A., N.S.W., A.C.T. and Tas.; grows on soil in sheltered rock ledges and at the base of shrubs.  
  Elix (2009i)  

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

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