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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 subspodochroa (Elix & J.Johnst.) Elix
  Mycotaxon 87: 402 (2003)
Paraparmelia subspodochroa Elix & J.Johnst., Brunonia 9: 150 (1987). T: 7 km NNW of Morringo, General Stewart Gap, N.S.W., 10 Sept. 1980, J.A.Elix 8883; holo: CANB.
  Thallus foliose, adnate to tightly adnate, forming irregular patches to 8 cm wide. Lobes imbricate or barely so, flat, irregular to sublinear-elongate, irregularly branched, 1–2 (–3) mm wide; occasionally developing laciniae in thallus centre, highly imbricate, 0.2–0.8 mm wide; apices subrotund or crenate. Upper surface pale grey to dark grey, blackening, black-margined towards lobe apices, flat, smooth and shiny near lobe apices, emaculate, older lobes occasionally becoming cracked and eventually rugulose, lacking soredia and isidia. Lower surface jet black to margins; rhizines moderately dense, often grouped subapically, simple, tufted or not, slender, black. Apothecia sessile to subpedicellate, to 6 mm wide; disc concave becoming undulate-distorted, brown to dark brown; thalline exciple smooth, thin, involute, becoming undulate. Ascospores 7–10 × 4–6 µm. Pycnidia scattered, immersed. Conidia 5–7 × 1 µm. CHEMISTRY: cortex K+ yellow; medulla K+ yellow then dark red, C-, P+ orange; containing atranorin, salazinic acid (major), consalazinic acid, ±constipatic acid and ±protoconstipatic acid; rarely traces of norstictic acid and protocetraric acid.
  A common endemic species found along and west of the Great Dividing Ra. in eastern Australia (Qld, N.S.W. and Vic.).  
  Elix (1994n)  

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

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