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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 norcapnodes (Elix & J.Johnst.) Elix
  Mycotaxon 87: 400 (2003)
Paraparmelia norcapnodes Elix & J.Johnst., Mycotaxon 32: 406 (1988). T: Countegany–Kybean Rd, 36 km ESE of Cooma, 36°19'S, 149°30'E, N.S.W., 15 Nov. 1983, J.A.Elix 11450 & H.Streimann; holo: CANB.
  Thallus foliose, loosely adnate to adnate, to 10 cm wide. Lobes imbricate, sublinear to irregular, irregularly branched, 1–3 (–4) mm wide; laciniae rare, developing in thallus centre, 0.4–1 mm wide; apices subrotund. Upper surface grey to dark grey, blackening, mostly flat, dull, emaculate, smooth, developing transverse cracks and becoming rugose, without soredia; lobe margins often blackening; lobe apices shiny, slightly brown; isidia dense in thallus centre, scattered on marginal lobes, cylindrical, slender, becoming coralloid-branched, with apices syncorticate and intact. Lower surface rugulose, black, sometimes brown at lobe apices; rhizines sparse to moderately dense, simple, black. Apothecia sessile to subpedicellate, to 5 mm wide; disc concave then undulate-distorted, pale brown to dark brown; thalline exciple thin, involute becoming undulate, isidiate. Ascospores 8–9 × 5–6 µm. Pycnidia not seen. CHEMISTRY: cortex K+ yellow; medulla K+ yellow then dark red, C-, P+ orange; containing atranorin, norstictic acid (major), connorstictic acid (minor) and ±constipatic acid.
  A common species endemic in southern and eastern Australia (S.A., N.S.W. and A.C.T.).  
  Elix (1994n)  

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

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