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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
     
     
Astrothelium galbineum Kremp.
     
 

Nuovo Giorn. Bot. Ital. 7: 58 (1875)

T: Sarawak, [Malaysia], 1866, O.Beccari 23; lecto: M n.v., fide R.C.Harris, Acta Amazon. (Suppl.) 14: 60 (‘1984’) [1986].

 
     
  Thallus green to yellowish, smooth to somewhat bullate. Pseudostromata raised, ±conical, cream-coloured, with yellow to orange K+ purple, UV+ red pigment. Hamathecium not inspersed. Ascospores 3-septate, 22–28 × 7–11 μm.
CHEMISTRY: Thallus UV+ yellow, K–, containing lichexanthone (or 1,8-dihydroxy-3,6-dimethoxyxanthone); pseudostromata with yellow to orange K+ purple, UV+ red anthraquinone.
     
  Rather common on bark in northern N.T. and north-eastern Qld. Pantropical, mostly in open, lowland areas.  
     
   
     
     
  Aptroot (2009d)  

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