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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
Xanthoparmelia rugulosa (Elix & J.Johnst.) Elix
  Mycotaxon 87: 401 (2003)
Paraparmelia rugulosa Elix & J.Johnst., Brunonia 9: 147 (1987). T: Black Trevethen Range, SSW of Cooktown, Qld, 4 July 1984, J.A.Elix 17338 & H.Streimann; holo: CANB.
  Thallus foliose, tightly adnate, to 5 cm wide. Lobes barely imbricate, flat, irregular to sublinear-elongate,irregularly branched, 1–3 mm wide. Upper surface pale grey to grey, shiny and smooth, becoming dull and rugulose, lacking maculae, soredia and isidia; lobe apices darkening, often black-margined. Lower surface smooth, jet black, sometimes brown towards lobe margins; rhizines sparse to moderately dense, simple, black. Apothecia and pycnidia not seen. CHEMISTRY: cortex K+ yellow; medulla K+ pale yellow-brown, C-, P+ red; containing atranorin, protocetraric acid (major), ±norstictic acid (trace) and ±virensic acid (trace).
  A rare endemic species, occurring in hinterland areas of north-eastern Qld.  
  Elix (1994n)  

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

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