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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
     
     
Leptogium corticola (Taylor) Tuck.
     
  in Lea, Cat. Pl. Cincinnati 47 (1849)
Collema corticola Taylor, Lond. J. Bot. 5: 195 (1847). T: Ohio, U.S.A., Lea; holo: US; iso: BM, FH.
 
     
  Thallus foliose, closely to loosely adnate, 3–9 cm wide, 120–250 µm thick, ±bluish leaden grey. Lobes rotund, flat to undulate, 2–7 mm wide; margins entire. Upper surface strongly wrinkled, somewhat shining, not isidiate; wrinkles ±pustuliform, or ±ridge like. Lower surface naked or with minute rhizines. Apothecia laminal, sessile, 1–2 mm wide; disc concave to flat, brown to red–brown; thalline exciple ±wrinkled, concolorous with thallus or cream. Ascospores 8 per ascus, ellipsoidal, usually submuriform, 25–40 × 13–15 µm; apices acute to accuminate. Pycnidia submarginal. Conidia 4–5 µm long; apices swollen.
     
  An American species and also recorded from Europe but now rare in that region, see P.M.Jørgensen, Lichenologist 15(2): 117 (1983); currently known in Australia only from Qld, growing on bark.  
     
   
     
     
  Verdon (1992b)  

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