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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 subpustulifera Elix
  Mycotaxon 47: 108 (1993). T: trail to Pigeon House Mtn, 19 km W of Ulladulla, N.S.W., 35°20'S, 150°16'E, 2 Dec. 1986, J.A.Elix 21305 & H.Streimann; holo: CANB; iso HO, MEL.  
  Thallus adnate to tightly adnate, to 2.5–4 cm wide. Lobes separate to subimbricate, linear-elongate, dichotomously to subirregularly branched, 0.5–1 mm wide; margins entire. Upper surface whitish grey, flat to slightly convex, shiny, continuous, emaculate, without isidia; pustules subapical, erumpent, eroding and becoming coarsely granular-sorediate and exposing black lower cortex. Medulla white. Lower surface moderately to densely rhizinate; rhizines shiny, dichotomously branched. Apothecia and pycnidia not seen. CHEMISTRY: cortex K+ yellow, UV-; medulla K- or K+ pale reddish, C-, KC+ rose, P-; containing atranorin, chloroatranorin, colensoic acid (major), 4-O-methylphysodic acid (major), lividic acid (trace), physodic acid (minor) and oxyphysodic acid (trace).
  Known from areas with outcropping Hawkesbury sandstone in central N.S.W. Also in the Neotropics, South africa and New Zealand. Grows on bark.  
  Elix (1994h)  

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

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