Synopsis of the genus Usnea (lichenized Ascomycetes) in British Columbia, Canada

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Abstract:

Twenty-three Usnea species and species groups are reported from British Columbia, Canada. Usnea chaetophora, U. diplotypus, and U. nidulans s. lat. are new to North America, whereas U. esperantiana and U. rigida s. lat. are documented for the first time for Canada, and U. ceratina and U. rubicunda are new to British Columbia. New chemotypes are also reported, e.g., in U. fragilescens var. mollis and U. subfloridana. Usnea stuppea (a synonym ofU. substerilis) is lectotypified. A key to the genus U snea in British Columbia is provided.

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Reference Code: A98HAL01IDUS <br>

Full Citation: P. Halonen, P. Clerc, T. Goward, I. M. Brodo and K. Wulff. 1998. Synopsis of the genus Usnea (lichenized Ascomycetes) in British Columbia, Canada. The Bryologist 101(1): 36-60 <br>

Keywords: Usnea, lichen <br>

Abstract: Twenty-three Usnea species and species groups are reported from British Columbia, Canada. Usnea chaetophora, U. diplotypus, and U. nidulans s. lat. are new to North America, whereas U. esperantiana and U. rigida s. lat. are documented for the first time for Canada, and U. ceratina and U. rubicunda are new to British Columbia. New chemotypes are also reported, e.g., in U. fragilescens var. mollis and U. subfloridana. Usnea stuppea (a synonym ofU. substerilis) is lectotypified. A key to the genus U snea in British Columbia is provided. <br>