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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
Haematomma sorediatum R.W.Rogers
  Lichenologist 14: 124 (1982). T: Lakes Entrance, Vic., on bark of Notelaea ovata, Mar. 1889, F.R.M.Wilson s.n.; holo: MEL, n.v.  
  Thallus white to cream-coloured, yellow-grey, pale grey or greenish grey, smooth to rugulose and weakly warty, ±rimose to areolate, to 0.4 mm thick, corticate, sorediate. Soralia often ±globose, 0.5–2.0 mm wide, rarely diffuse, but then the thallus with irregular sorediate areas. Apothecia sessile, constricted at the base, 0.5–2.0 mm diam., not confluent; disc orange-red to cinnabar-red, with or without pale golden pruina; thalline margin prominent, smooth to weakly crenulate; in older apothecia the disc becoming undulate and the margin sorediate. Ascospores fusiform, straight or slightly curved, 9–19-septate, 45–70 × 4–6 µm. Conidia bacilliform, 7–8 × 0.8–1.0 µm. CHEMISTRY: Thallus K+ yellow, C–, KC–, Pd+ yellow; disc K+ violet; containing atranorin, haematommone (minor) and placodiolic acid (minor or trace).
  Scattered in humid forests of south-western W.A., eastern Qld, N.S.W., Vic. and Tas.; grows on bark of Acacia, Notelaea, Pomaderris etc. This warm-temperate to tropical species also occurs in South America, southern Europe, Madeira and India.  
  Elix (2004c)  

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

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