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 | ||
| Menegazzia caliginosa P.James & D.J.Galloway | ||
| New Zealand J. Bot. 21: 194 (1983) T: track from Information Centre to Lyndon Saddle, Craigieburn Forest Park, Canterbury, N. Z., P.W.James; holo: BM. |
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| Thallus ±adnate, forming irregular patches to 10 cm wide, rather brittle. Lobes variable, 2–3 mm wide, marginal lobes often ±spreading, wide-angled; inner lobes contorted and imbricate-unorientated centrally, without interthalline spaces. Upper surface grey-green, shining, ridged-rugose or smooth, convex or becoming flat, occasionally white-blotched, especially at apices, weakly concave towards lobe ends. Upper side of cavity densely yellow or ochre-yellow, tomentose towards lobe ends, blackened centrally. Perforations sparse, scattered, gaping or with depressed rim, level or slightly raised. Soralia numerous, laminal, rarely subterminal, scattered or ±confluent, convex, finely granular, to 1 mm wide. Apothecia rare, adnate, 3–4 mm wide, concave; disc epruinose, ±wrinkled, red-brown; exciple thick, inflexed, smooth, rarely faintly white-blotched, becoming entirely sorediate. Ascospores 8 per ascus, ellipsoidal, 28–35 × 15–18 µm; wall 2 µm thick. CHEMISTRY: atranorin (cortex), stictic, constictic, norstictic (trace) and echinocarpic acids, accessory compounds and four or more orange-yellow pigments, one UV+ orange-red; medulla K+ orange, C-, KC+ orange, P+ orange. | ||
| Occurs in Vic. and Tas. on bark and mosses; occasional to rare in rainforest, from 150–820 m, on Atherosperma moschatum and Nothofagus cunninghamii. Also in New Zealand and Argentina. | ||
| James & Galloway (1992) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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