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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
Canoparmelia raunkiaeri (Vain.) Elix & Hale
  Mycotaxon 27: 278 (1986); Parmelia raunkiaeri Vain., Ann. Acad. Sci. Fenn., ser.A, 6: 19 (1915). T: Cane Bay, St. Croix, [West Indies], 11 Jan. 1906, C.Raunkiaer 461; lecto: TUR; isolecto: C, FH, fide M.E.Hale, Smithsonian Contr. Bot. 31: 42 (1976).  
  Thallus adnate, to 5–8 cm wide. Lobes imbricate, subirregular, 2–4 mm wide; apices rotund. Upper surface pale grey, smooth, becoming irregularly rugose towards centre, without isidia; pustulate-sorediate, pustules coalescing in coarsely sorediate mass on older portions of thallus. Medulla white. Lower surface black, with brown zone at margins; rhizines sparse, simple, black. Apothecia and pycnidia not seen. CHEMISTRY: cortex K+ yellow; medulla K-, either C-, KC- or C+ rose, KC+ rose, P+ orange-red; containing atranorin, chloroatranorin, protocetraric acid (major), ±gyrophoric acid and unidentified fatty acids.
  Common, occurs on both rock and bark of trees in open drier areas of tropical Australia (N.T. and Qld) and south to the N.S.W. border; also in Lord Howe Is. It also occurs in Central America and the Caribbean.  
  Elix (1994c)  

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

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