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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 eremaeum R.W.Rogers
  Lichenologist 14: 124 (1982). T: 3.3 km NW of Ongerup, W.A., on branches of dead Melaleuca hamulosa, 11 Oct. 1972, K.Newbey L/8; holo: PERTH, n.v. Haematomma pruinosum R.W.Rogers, Lichenologist 14: 125 (1982). T: Mt Manning, W.A., 10 Apr. 1980, A.V.Milewski s.n.; holo: PERTH, n.v.  
  Thallus white to cream-coloured, yellow-grey or pale grey, uneven to rugose and warty, ±rimose, c. 0.3 mm thick, weakly corticate, esorediate. Apothecia sessile, constricted at the base, 1.0–2.0 mm diam., not confluent; disc pink to red-grey or reddish brown, ±white-pruinose; thalline margin prominent, smooth to weakly crenulate. Ascospores fusiform, straight or slightly curved, 5–11-septate, 35–65 × 3.5–5.5 µm. Conidia curved-filiform, 11–17 × 0.8–1.0 µm. CHEMISTRY: Thallus K+ yellow, C–, KC–, Pd+ yellow; disc K+ red; containing atranorin, placodiolic acid (major) and russulone (minor).
  Endemic to dry, inland regions of south-western W.A. Grows on bark of Acacia acuminata, Acacia sp. and Melaleuca hamulosa in open woodland.  
  Elix (2004c)  

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

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