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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 subalpina (Elix & J.Johnst.) Elix
  Mycotaxon 87: 402 (2003)
Paraparmelia subalpina Elix & J.Johnst., Brunonia 9: 149 (1987). T: Angwin Peak, Porongurup Range, W.A., 23 Oct. 1982, J.A.Elix 10643 & L.H.Elix; holo: CANB.
  Thallus foliose, loosely to moderately adnate, to 6–7 cm wide. Lobes loosely imbricate, linear-elongate, with irregular di- or trichotomous branching, 0.5–1.5 mm wide; sinuses rounded; margins thickened; apices subascending, incised. Upper surface grey to dark grey, becoming dark brown or blackening, ±flat to slightly concave, shiny, emaculate, becoming ridged or weakly faveolate, lacking soredia and isidia; lobe margins shiny, black or brown. Lower surface shiny, rugulose, jet black; rhizines sparse, grouped subapically, simple, often tufted, robust, black. Apothecia sessile to subpedicellate, to 4 mm wide; disc shallowly concave, becoming undulate-distorted, dark brown; thalline exciple smooth, thin, slightly involute at first, persistent. Ascospores 7–9 × 4–5.5 µm. Pycnidia rare, immersed. Conidia 4–6 × 1 µm. CHEMISTRY: cortex K+ yellow; medulla K+ yellow then dark red, C-, P+ yellow-orange; containing atranorin, norstictic acid (major) and connorstictic acid (minor).
  A rare endemic species, occurring in montane heath in two widely separated localities (W.A. and N.S.W.).  
  Elix (1994n)  

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

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