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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 brownlieae (Elix & J.Johnst.) Elix
  Mycotaxon 87: 398 (2003)
Paraparmelia brownlieae Elix & J.Johnst., Mycotaxon 32: 401 (1988).

T: summit of Mt Lindsay, N.S.W., 1969, S.Brownlie A65; holo: MEL.
  Thallus foliose, adnate to tightly adnate, forming irregular patches, to 8 cm wide. Lobes imbricate or barely so, irregular to sublinear, irregularly branched, 0.8–1.5 (–2) mm wide; apices subrotund, subascending. Upper surface pale ash grey, flat, becoming dull, slightly arachnoid-pruinose subapically, emaculate, smooth, developing transverse cracks, becoming rugose and occasionally areolate, lacking soredia and isidia; lobe apices shiny, black-margined. Lower surface chestnut-brown; rhizines moderately dense, often grouped subapically, simple, tufted or not, concolorous or darkening. Apothecia sessile, to 4 mm wide; disc concave, becoming ±flat, dark brown; thalline exciple thin, involute, becoming undulate. Ascospores 7–8 × 4–6 µm. Pycnidia punctiform, immersed, minute. Conidia 5.5–6.5 × 1–1.5 µm. CHEMISTRY: cortex K+ yellow; medulla K+ yellow then pale red, C-, P-; containing atranorin, hypostictic acid (major), hypoconstictic acid (minor) and hyposalazinic acid (trace).
  A scattered endemic species occurring in hinterland areas of central and northern N.S.W.; also in Qld.  
  Elix (1994n)  

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

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