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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 toilenae Kantvilas & Kukwa

Muelleria 23: 3 (2006)

T: Warra SST, W of Tahune Bridge, Tas., 43°06’S, 146°40’E, on dry trunk of large Eucalyptus obliqua in wet-sclerophyll forest, 10 May 2005, G.Kantvilas 121/05; holo: HO; iso: BG, BM, UGDA.

  Thalluscrustose, leprose, whitish green to greenish grey, diffuse, forming extensive irregularly spreading patches to 50 cm wide, less commonly in small irregularly orbicular ±delimited colonies c. 3–5 mm wide which eventually coalesce. Margin delimited or not, lacking well-defined lobes. Soredia fine, dispersed or forming a thick continuous layer, ±globose, 16–40 μm wide, commonly aggregated in slightly elongate consoredia, 50–80 μm wide, very rarely with a few projecting hyphae to 15 μm long. Medulla absent. Hyphae 2–5 μm thick. Lower surface not apparent.Photobiont cells ±spherical, 5–10 μm diam. Hypothallus very well developed, white or rarely pale greyish white, forming a thick weft covered with soredia except for a soredia-free zone at the thallus margin.
CHEMISTRY: Thallus K+ pale yellow-brown, C–, KC–, P+ orange-red, UV–; containing malonprotocetraric acid (major), fumarprotocetraric acid (submajor), roccellic acid (major or minor), protocetraric acid (minor), confumarprotocetraric acid (trace).
  Known from Vic. and Tas.; grows at the base of trees in wet Eucalyptus and Nothofagus forests. Endemic.  
  Elix (2009i)  

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

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