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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 leucophaea (Elix & J.Johnst.) Elix
  Mycotaxon 87: 399 (2003)
Paraparmelia leucophaea Elix & J.Johnst., Mycotaxon 32: 403 (1988). T: below the Lookout, Brown Mountain, 60 km south-east of Cooma, N.S.W., 6 Dec. 1978, J.A.Elix 5458; holo: CANB.
  Thallus foliose, adnate, to 9 cm wide. Lobes moderately imbricate, irregular, subirregularly branched, 1–2 (–4) mm wide; apices often subrotund; occasionally developing laciniae in thallus centre, markedly imbricate, irregularly branched, 0.5–1 mm wide. Upper surface pale grey to dark grey, flat, dull, emaculate, smooth; thallus centre becoming cracked and areolate, lacking soredia and isidia; lobe apices shiny, black-margined. Lower surface mostly smooth, brown to dark brown, becoming brown-black at lobe margins; rhizines sparse, grouped subapically, simple, often tufted, robust, concolorous. Apothecia subpedicellate, to 7 mm wide; disc shallowly concave, becoming undulate-distorted, red-brown to dark brown; thalline exciple thin, crenulate, persistent. Ascospores 7–9 × 4–6 µm. Pycnidia minute, immersed, punctiform. Conidia 5–6 × 1 µm. CHEMISTRY: cortex K+ yellow; medulla K+ yellow then dark red, C-, P+ yellow-orange; containing atranorin, chloroatranorin, norstictic acid (major), salazinic acid (major), connorstictic acid (minor) and consalazinic acid (minor).
  An endemic species restricted to southern N.S.W., eastern Vic. and Tas., particularly in the Snowy Mtns and adjacent ranges.  
  Elix (1994n)  

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

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