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 | ||
Usnea nidulifera Motyka | ||
Usnea 2: 551 (1937). T: Punta Arenas, Patagonia, Argentina, 1895, P.Dusén 11; lecto: UPS, fide G.N.Stevens, Biblioth. Lichenol. 72: 69 (1999). | ||
Thallus shrubby, erect, to 3 cm tall, pale green; branching subdichotomous, irregular; trunk usually black; branches terete, to 1 mm wide, smooth; apices blunt, often covered with soredia; branchlets and fibrils moderately dense; papillae on primary and secondary branches, few or absent on other branches; pseudocyphellae absent. Soralia large, well defined, usually capitate; soredia abundant, some pseudoisidiate to isidiate. Cortex matt. Medulla sparse; axis 1/2–3/5 width of branch, hyaline. Apothecia not known. CHEMISTRY: Cortex containing usnic acid. Medulla K–; containing psoromic acid, or stictic acid aggregate, or fatty acids only. | ||
Rarein moist forest in Vic. and Tas. Also in southern South America. | ||
Stevens (2004) |
Checklist Index |
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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