Department of the Environment and Water Resources home page

About us | Contact us | Publications | What's new

Header imagesHeader imagesHeader images

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

This work is copyright. Apart from any use as permitted under the Copyright Act 1968, no part may be reproduced by any process without prior written permission from Australian Biological Resources Study. Requests and inquiries concerning reproduction and rights should be addressed in the first instance to Dr P. McCarthy. These pages may not be displayed on, or downloaded to, any other server without the express permission of ABRS.

Top | About us | Advanced search | Contact us | Information services | Publications | Site index | What's new