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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
Parmelina johnstoniae Elix
  Mycotaxon 47: 118 (1993). T: Buckenbowra River Estuary, W of Batemans Bay, N.S.W., 4 Aug. 1988, J.Johnston 2610; holo: CANB.  
  Thallus adnate, to 2–6 cm wide. Lobes imbricate, variable, sublinear-elongate to subirregular and apically rounded, sometimes subdichotomously branched, 1–3 mm wide; cilia sparse to moderately dense, 0.1–0.15 mm long, black. Upper surface brownish grey to pale grey, ±flat, shiny, emaculate, smooth, without soredia; isidia moderately dense to dense, cylindrical, erect, often branched, less than 0.5 mm high. Medulla white. Lower surface black; rhizines moderately dense, shiny, simple, black. Apothecia and pycnidia not seen. CHEMISTRY: cortex K+ yellow; medulla K-, C-, KC-, P-; containing atranorin, chloroatranorin, lichesterinic acid and protolichesterinic acid.
  A rare endemic species, on bark or wood in eastern Australia (N.S.W.); known only from the type locality.  
  Elix (1994p)  

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

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