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 | ||
Parmelinopsis afrorevoluta (Krog & Swinscow) Elix & Hale | ||
Mycotaxon 29: 242 (1987) Parmelia afrorevoluta Krog & Swinscow, Norweg. J. Bot. 26: 22 (1979); Hypotrachyna afrorevoluta (Krog & Swinscow) Krog & Swinscow, Lichenologist 19: 420 (1987). T: 10 km W of Tusha, Aberdare Mtns, Nyeri District, Central Province, Kenya, 0°31'S, 36°44'E, Feb. 1974, H.Krog 3 K 31/188; holo: O; iso: BM, UPS. ****[Parmelia revolutella auct. non Nyl.: R.B.Filson, Checklist of Australian Lichens 1st edn, 74 (1983)]. |
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Thallus loosely adnate, to 4–10 cm wide. Lobes sublinear, irregularly branched, 2–5 mm wide; central lobes often crowded and imbricate; marginal lobes often ascending and ±revolute; cilia distinct, simple, to 1 mm long. Upper surface whitish to greenish grey, shiny, emaculate, smooth, without isidia; cortex fragile, flaking, with blackened eroded areas; soralia pustular, laminal and submarginal, with granular soredia. Medulla white. Lower surface shiny, black, dark brown at lobe margins; rhizines sparse to moderately dense, simple or bifurcate, black. Apothecia rare, subpedicellate, 10–20 mm wide; disc concave, often radially split; thalline exciple rugose, with patches of granular soredia. Ascospores 16–20 × 10–14 µm. Pycnidia not seen. CHEMISTRY: cortex K+ yellow; medulla K-, C+ rose, KC+ red, P-; containing atranorin, chloroatranorin, gyrophoric acid (major), 5-O-methylhiascic acid (minor), umbilicaric acid (trace), 2,4,5-tri-O-methylhiascic acid (trace) and 4,5-di-O-methylhiascic acid (minor/trace). | ||
Widespread on rock and bark in moist forests of eastern Australia (Qld, N.S.W., A.C.T., Vic. and Tas.); in Australasia it is also known from New Zealand and Papua New Guinea, and is widespread in temperate regions of both hemispheres. | ||
Elix (1994r) |
Checklist Index |
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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