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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
Hypotrachyna booralensis Elix
  Mycotaxon 47: 106 (1993). T: west of Booral, N.S.W., 1 Feb. 1969, R.B.Filson 16764; holo: MEL.  
  Thallus adnate, to c. 2.5 cm wide. Lobes separate, sublinear, dichotomously branched, 0.5–0.8 mm wide; margins subcrenate. Upper surface whitish grey to grey, flat, shiny on younger lobes, dull and irregularly cracked on older lobes, emaculate, without pustules or isidia; soralia mostly subterminal, orbicular, capitate. Medulla white. Lower surface densely rhizinate; rhizines moderately dichotomously branched. Apothecia and pycnidia not seen. CHEMISTRY: cortex K+ yellow, UV-; medulla K-, C-, KC+ rose, P-, UV+ blue-white; containing atranorin, chloroatranorin and alectoronic acid (major).
  This rare endemic species is currently only known from the type collection. Grows on bark.  
  Elix (1994h)  

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

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