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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
     
     
Graphis aquilonia (A.W.Archer) Staiger
     
 

Biblioth. Lichenol. 85: 209 (2002)

Graphina aquilonia A.W.Archer, Mycotaxon 77: 160 (2001).

T: McIlwraith Ra., 28 km NE of Coen, Qld, H.Streimann 56768; holo: CANB.

 
     
  Thallus pale greyish white, thick, smooth, dull. Ascomata numerous, conspicuous, white, becoming black where abraded, straight, curved or sinuous, sometimes branched, sessile, with a conspicuous thalline margin, (1–) 2–7 mm long, 0.25–0.50 mm wide. Proper exciple thick, completely carbonised, slightly sulcate, concealed by the thalline margin. Hymenium 200–225 µm thick, not inspersed. Ascospores 6–8 per ascus, muriform in the terminal locules only, 16–20 (–22) × 2–3-locular, (72–) 85–105 × (11–) 13–16 µm, I+ blue.
CHEMISTRY: Norstictic acid.
     
  A rare, corticolous species in north-eastern Qld; also in Costa Rica, India and New Caledonia.  
     
   
     
     
  Archer (2009a)  

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