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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
Parmotrema convolutum Elix & J.Johnst.
  Mycotaxon 31: 497 (1988)
T: north of Parkers Gap, east of Captains Flat, Great Dividing Range, N.S.W., 3 Mar. 1983, J.A.Elix 10894 & J.Johnston; holo: CBG.
  Thallus loosely adnate, relatively rigid, to 3–5 cm wide. Lobes separate, not imbricate, markedly convolute, linear-elongate, subdichotomously branched, 3–5 mm wide when convolute; cilia apical, simple, minute, 0.5–1 mm long. Upper surface pale grey, convex, shiny, emaculate, smooth, lacking soredia and isidia, occasionally developing rotund marginal lobules; lobules 0.5–2 mm wide. Medulla white. Lower surface black, with a broad, chestnut-brown, erhizinate marginal zone; rhizines sparse to moderately dense, grouped subapically, simple, short, slender, 0.5–1 mm long. Apothecia and pycnidia not seen. CHEMISTRY:cortex K+ yellow; medulla K+ yellow, C-, P+ orange; containing atranorin, chloroatranorin, stictic acid (major), constictic acid (major), cryptostictic acid (trace), norstictic acid (trace) and menegazziaic acid (trace).
  A rare endemic species known only from the type locality. Grows on bark.  
  Elix (1994t)  

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

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