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 | ||
| Parmeliopsis ambigua (Wulfen) Nyl. | ||
| Lich. Lapp. Orient. 121 (1866) [preprint from Not. Sällsk. Fauna Fl. Fenn. Förh. 8: 121 (1882)] Lichen ambiguus Wulfen in N.J. von Jacquin, Collect. Bot. Spectantia (Vienna) 4: 239, t. 4, fig. 2 (1790). T: [Germany], precise locality and collector unknown; holo: not located. *****Parmelia viridosoredians Elix, Austral. J. Bot. 29: 21 (1981). T: Mount Guthrie, Kosciusko National Park, N.S.W., 9 Feb. 1978, J.A.Elix 4334; holo: MEL; iso: CANB. |
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| Thallus orbicular, to 1–3 cm wide or irregularly expanded. Lobes congested throughout or separate at apices, sublinear-elongate, subdichotomously branched, 0.5–1.5 mm wide. Upper surface yellowish green, flat and roughened near periphery, becoming rugose towards thallus centre, densely sorediate; soralia orbicular at first, coalescing, often occurring on ridges; soredia farinose, green. Lower surface pale brown, black towards centre; rhizines simple or sparsely branched, concolorous or darkening. Apothecia sessile or shortly pedicellate, 1–2 mm wide; thalline exciple entire or becoming sorediate. Ascospores 7–11 × 2.5–3 µm. Pycnidia rare. Conidia curved, 12–18 × 0.5–1 µm. CHEMISTRY: cortex K-, UV-; medulla K-, C-, KC+ rose, P-; containing usnic acid, divaricatic acid (major) and nordivaricatic acid. | ||
| Rare, on bark of trees and dead wood in mountain areas of southern N.S.W., A.C.T., Vic., and Tas. Widely distributed in boreal regions of the Northern Hemisphere. | ||
| Elix (1994s) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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