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 | ||
| Imshaugia aleurites (Ach.) S.L.F.Mey. | ||
| Mycologia 77: 338 (1985) Lichen aleurites Ach., Lichenogr. Suec. Prodr. 117 (1798); Parmeliopsis aleurites (Ach.) Nyl., Syn. Meth. Lich. 2: 54 (1869). T: Sweden; lecto: H-ACH, fide S.L.F.Meyer, loc. cit. |
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| Thallus to 3–5 cm wide. Lobes sublinear, irregularly branched, narrow, 0.8–1.5 mm wide. Upper surface pale ash-grey, dull, flat or shallowly pitted, slightly cobwebby under strong magnification (x 50), emaculate; isidia cylindrical, corticate or rarely becoming granulose and coalescing to form a dense sorediate-isidiate mass in centre of thallus. Lower surface ivory to pale brown; rhizines moderately dense to dense, simple, tufted or not, concolorous. Apothecia not seen. Pycnidia emergent at or near margin, to 0.1 mm wide. Conidia 3–4 × 1 µm. CHEMISTRY: cortex K+ yellow; medulla K+ yellow, C-, P+ yellow-orange; containing atranorin, chloroatranorin, thamnolic acid (major) and decarboxythamnolic acid (trace). | ||
| Uncommon on dead wood in alpine or subalpine areas of W.A., N.S.W., A.C.T., Vic. and Tas. Widespread in North America, Europe and Asia. | ||
| Elix (1994i) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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