International Association of Vegetation Science Fine-Scale Distribution of the Epiphytic Lichen Usnea longissima on Two Even-Aged Neighbouring Picea abies Trees Author(s): Y. Gauslaa, M. Ohlson, J. Rolstad Source: Journal of Vegetation Science, Vol. 9, No. 1 (Feb., 1998), pp. 95-102 Published by: Blackwell Publishing Stable URL: http://www.jstor.org/stable/3237227 . Accessed: 02/05/2011 09:11 Your use of the JSTOR archive indicates your acceptance of JSTOR's Terms and Conditions of Use, available at . http://www.jstor.org/page/info/about/policies/terms.jsp. JSTOR's Terms and Conditions of Use provides, in part, that unless you have obtained prior permission, you may not download an entire issue of a journal or multiple copies of articles, and you may use content in the JSTOR archive only for your personal, non-commercial use. Please contact the publisher regarding any further use of this work. Publisher contact information may be obtained at . http://www.jstor.org/action/showPublisher?publisherCode=black. . Each copy of any part of a JSTOR transmission must contain the same copyright notice that appears on the screen or printed page of such transmission. JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact support@jstor.org. Blackwell Publishing and International Association of Vegetation Science are collaborating with JSTOR to digitize, preserve and extend access to Journal of Vegetation Science. http://www.jstor.org