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The Lichen Genus Usnea On Quercus Suber In Iberian Cork-Oak Forests

Published online by Cambridge University Press:  28 March 2007

Simón Fos  and
Philippe Clerc
Simón Fos
Affiliation:
Institut “Cavanilles” de Biodiversitat i Biologia Evolutiva, Facultat de Ciències Biològiques, Universitat de València, Dr. Moliner 50, 46100-Burjassot, Valencia, Spain.
Philippe Clerc
Affiliation:
Conservatoire et jardin botaniques de la Ville de Genève, 1 ch. de l'lmp´ratrice, case postale 60, CH-1292 Chamb´esy/GE, Switzerland.
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Abstract

Fifteen species of Usnea are recorded from Iberian cork-oak forests: U. ceratina, U. comma, U. dasaea, U. esperantiana, U. flammea, U. fulvoreagens, U. glabrata, U. hirta, U. mutabilis, U. rubicunda, U. subcornuta, U. subfloridana U. subscabrosa, U. substerilis and U. wasmuthii. A key for these species is provided. Details of morphology, chemistry, distribution, ecology and taxonomy are discussed. Usnea dasaea is reported as new to the Iberian Peninsula. New chemotypes of U. fulvoreagens (with squamatic acid) and U. wasmuthii (with psoromic acid) have been identified. Distribution maps of U. dasaeaand U. subcornuta in Europe are presented. A new combination, Usnea subfloridana subsp. praetervisa (Asahina) P. Clerc, is proposed.

Type
Research Article
Information
The Lichenologist , Volume 32 , Issue 1 , January 2000 , pp. 67 - 88
Copyright
Copyright © British Lichen Society 2000

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