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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
Pycnothelia caliginosa D.J.Galloway & P.James
  Notes Roy. Bot. Gard. Edinburgh 44: 573 (1987)
T: Nelson, Denniston Plateau, N of Westport, South Is., New Zealand, 21 Sept. 1981, D.J.Galloway; holo:CHR; iso: BM, CHR.
  Primary thallus granular to subsquamulose, smooth to scabrid, grey-white to dull ashen grey, occasionally somewhat blackened; granules convex, 0.1–0.5 mm wide, ±discrete or coalescing into a thick, spreading, areolate crust. Podetia to 20 mm tall and 1–4 mm wide, ±erect, subterete, hollow, simple or sparingly branched in lower part, densely proliferating and longitudinally fissured towards apices, covered with contiguous or dispersed thalline granules, or partially decorticate and exposing a cartilaginous, brown-black medulla. Apothecia numerous, discrete, 0.5–1.5 mm wide, strongly convex, immarginate, glossy, black, commonly forming conglomerate clusters to 4 mm wide. Ascospores 10.5–12 × 2.5–4.5 µm, simple. Conidia 4.5–5 × 0.5 µm. CHEMISTRY: cortex K+ yellow. Atranorin, chloroatranorin and three unidentified compounds, including two fatty acids
  Occasional in Tas. at altitudes above 750 m on moist, sandy soil or peat in windswept alpine heathland, bolster moor and buttongrass moorland. Also in N.Z.  
  Kantvilas (1992c)  

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

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