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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 numinbahensis (Elix) Elix
  Mycotaxon 87: 400 (2003)
Parmelia numinbahensis Elix in J.A.Elix & G.N.Stevens, Austral. J. Bot. 27: 877 (1979); Paraparmelia numinbahensis (Elix) Elix & J.Johnst. in J.A.Elix, J.Johnston & D.Verdon, Mycotaxon 27: 280 (1986). T: along the Nerang River, Qld, 20 Aug. 1976, J.A.Elix 2544; holo: MEL.
  Thallus foliose, moderately adnate to adnate, to 4–8 cm wide. Lobes imbricate, subirregular to sublinear, subirregularly to subdichotomously branched, 1–2.5 mm wide, ±suberect at apices. Upper surface pale grey to dark grey, mostly flat, shiny, emaculate, smooth but developing transverse cracks, becoming rugulose, without soredia; lobe margins often blackening near apices; isidia dense, cylindrical, simple or branched and becoming coralloid, with apices syncorticate and intact. Lower surface black to margins; rhizines sparse to moderately dense, simple, black. Apothecia subpedicellate, 1–1.5 mm wide; disc concave, chestnut-brown; thalline exciple smooth, isidiate. Ascospores 7–8 × 4–5 µm. Pycnidia not seen. CHEMISTRY: cortex K+ yellow; medulla K+ yellow then pale red, C-, P-; containing atranorin, chloroatranorin, hypostictic acid (major), hyposalazinic acid (minor) and hypoconstictic acid (minor).
  A rare endemic species known only from the type locality in southern Qld.  
  Elix (1994n)  

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

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