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Notes on the Genus Usnea Dill. Ex Adanson

Published online by Cambridge University Press:  28 March 2007

Philippe Clerc
Philippe Clerc
Affiliation:
Conservatoire et jardin botaniques, 1 ch. de l’lmperatrice, Case postale 60, 1292 Chambésy/GE, Switzerland.
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Abstract

Usnea quercina Bystrek & Gòrzynska, based on heterogeneous type material, is lectotypified and becomes a synonym of U. wirthii P. Clerc. Usnea wirthii is new for South America. A distribution map of U. madeirensis Motyka (Syn. U. silesiaca Motyka) in Europe is given. Usnea hesperina Motyka (Syn. U. elongate Motyka, U. schadenbergiana Göpp & Stein, U. subgracilis Vain., U. subplicata (Vain.) Motyka) is new for Africa, Asia and South America. Usnea hirta (L.) F. H. Wigg. (Syn. U. corrugate Motyka, U. foveata Vain., U. leprosa Motyka) is new for Africa. Usnea subscabrosa Nyl. ex Motyka (Syn. U. santae-annae Motyka) is new for South America. The holotype of U. marocana Motyka (=U. mutabilis Stirt.) was found in LBL.

Type
Research Article
Information
The Lichenologist , Volume 29 , Issue 3 , May 1997 , pp. 209 - 215
Copyright
Copyright © British Lichen Society 1997

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