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 aranaea (Elix & J.Johnst.) Elix | ||
| Mycotaxon 87: 397 (2003); Paraparmelia aranaea Elix & J.Johnst., Mycotaxon 32: 399 (1988). T: Paluma Reservoir–Hidden Valley track, SSW of Ingham, Qld, 18 June 1986, J.A.Elix 20294 & H.Streimann; holo: CANB. | ||
| Thallus small-foliose, tightly adnate, to 5 cm wide. Lobes scarcely imbricate, separate at apices, ±contiguous towards thallus centre, irregular to sublinear-elongate, subdichotomously branched, 0.2–1.2 mm wide. Upper surface pale grey to grey, or darkening, flat, becoming dull, emaculate, smooth, without soredia; shiny and black-margined towards lobe apices; isidia moderately dense, globose to short-cylindrical, not inflated, simple, short, to 0.2 mm tall, often black-tipped, with apices syncorticate and intact. Lower surface black, often with a narrow dark brown zone at lobe margins and apices; rhizines sparse to moderately dense, simple, black. Apothecia and pycnidia not seen. CHEMISTRY: cortex K+ yellow; medulla K+ pale yellow-brown, C-, P+ red-orange; containing atranorin and protocetraric acid. | ||
| A rare endemic species occurring in hinterland areas of north Qld. | ||
| Elix (1994n) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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