Peltigera chionophila, a New Lichen (Ascomycetes) from the Western Cordillera of North America

Trevor Goward; Bernard Goffinet

doi:10.1639/0007-2745(2000)103[0493:PCANLA]2.0.CO;2

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Trevor Goward,¹ Bernard Goffinet²

¹Herbarium, Department of Botany, University of British Columbia, Vancouver, B.C. V6T 2B1, Canada. Mailing address: Edgewood Blue, Box 131, Clearwater, B.C. V0E 1N0, Canada
²Botany Department, Duke University, Box 90339 Durham, NC 27706;nh0339 U.S.A. Current address: Department of Ecology and Evolutionary Biology, University of Connecticut U-43, Storrs, CT 06269;nh3043 U.S.A.

Abstract

The terricolous lichen Peltigera chionophila sp. nov. is described from the western cordillera of North America. It can be distinguished from other members of the P. aphthosa group by its even lobe margins, its uniformly corticate apothecial reverses, its well-defined veins that darken gradually toward the thallus centre, and by its strict occurrence in mountainous regions subject to heavy, prolonged snow cover. Comparisons of sequences of the Internal Transcriber Spacer of the nuclear ribosomal DNA repeat support the taxonomic distinctness of this species. A map of its global distribution is provided.

Citation Download Citation

Trevor Goward and Bernard Goffinet "Peltigera chionophila, a New Lichen (Ascomycetes) from the Western Cordillera of North America," The Bryologist 103(3), 493-498, (1 September 2000). https://doi.org/10.1639/0007-2745(2000)103[0493:PCANLA]2.0.CO;2

Received: 16 August 1999; Accepted: 1 January 2000; Published: 1 September 2000

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