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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 rufidulum (Fée) A.Massal.
     
  Atti Reale Ist. Veneto Sci. Lett. Arti, ser. 3, 5: 253 (1860); Lecanora rufidula Fée, Essai Crypt. Écorc. 116 (1824). T: Peru, on bark of Cinchona peruviana, coll. unknown; lecto: G, n.v., fide B.Staiger & K.Kalb, Biblioth. Lichenol. 59: 160 (1995).  
     
  Thallus cream-coloured to pale grey or greenish grey, uneven to rugose, rimose, 0.3–0.5 mm thick, corticate, esorediate. Apothecia sessile and constricted at the base, 1.0–2.0 mm diam., not confluent; disc dark scarlet-red to cinnabar-red, epruinose; thalline margin prominent, smooth or crenulate, sometimes swollen. Ascospores fusiform, straight or slightly curved, 7–24-septate, 50–80 × 4.0–6.0 µm. Conidia curved-filiform, 12–19 × 0.6–0.8 µm. CHEMISTRY: Thallus K+ yellow, C–, KC–, Pd+ yellow; disc K+ red; containing placodiolic acid (major), atranorin (minor) and russulone (minor).
     
  Very rare on bark in south-eastern Qld. This pantropical species also occurs in North, Central and South America, Africa, India, Malaysia and Papua New Guinea.  
     
   
     
     
  Elix (2004c)  

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