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 phaeomma (Nyl.) Hafellner | ||
Symb. Bot. Upsal. 32(1): 61 (1997) Lecidea phaeomma Nyl., Lich. Nov. Zel. 90 (1888). T: locality unknown, New Zealand, 1867, C.Knight;holo: H n.v. |
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Thallus white to grey-green or cream, dull, thin, spreading; lobules and soredia absent. Apothecia sessile, constricted at the base, 0.5–2.5 mm wide; disc dark rust-brown to blackish, with a rust-brown granular pruina, ±plane; margin prominent, concolorous or slightly darker than the disc. Exciple biatorine; cortical layer with brown crystals on the surface; medullary layer colourless. Hymenium colourless, 130–220 μm thick. Hypothecium pale to reddish brown. Asci 130–170 × 40–60 μm. Ascospores 100–160 × 30–55 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. |
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Grows on bark and over corticolous bryophyes in montane rainforest in south-eastern Qld; very common in New Zealand. Also in the Juan Fernandez Islands, south-eastern Pacific Ocean, as well as Chile and Argentina. | ||
Elix (2009m) |
Checklist Index |
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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