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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
Brigantiaea lobulata F.J.Walker & Hafellner

in J.Hafellner, Lichenologist 15: 263 (1983)

T: Cascade Cove, Dusky Sound, Southland, South Island, New Zealand, on Nothofagus, Feb. 1969, D.J.Galloway; holo: CHR n.v.; iso: BM n.v.

  Thallus whitish to pale grey-green, thin, matt, spreading, covered with small suberect somewhat flattened lobules; soredia absent. Apothecia usually present, sessile, constricted at the base, to 2 mm wide; disc rust-brown to blackish, ±plane, often with rust-brown granular pruina; margin prominent, concolorous. Exciple biatorine, with brown crystals in the intercellular spaces; medullary layer colourless. Hymenium colourless, 150–180 μm thick. Hypothecium yellow to pale brown. Asci 90–140 × 30–50 μm. Ascospores 80–120 × 25–45 μm. Spore-borne microconidia and pycnidia not seen.
CHEMISTRY: Thallus K+ yellow, C–, P–; apothecia K+ purple; apothecial sections, upper part of exciple and epihymenium K+ purple; thallus containing atranorin, caloploicin, vicanicin, ±isofulgidin (trace), ±fulgidin (trace); apothecia containing parietin.
  Rare in N.S.W. and southern Qld; grows on bark or spreads over bark-inhabiting bryophytes in subtropical and temperate rainforest. Also known from New Zealand and Papua New Guinea.  
  Elix (2009m)  

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

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