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Protoparmelia capitata sp. nov., and P. isidiata Diederich, Aptroot & Sérus., two species of Protoparmelia (Lecanorales, Ascomycota) from south-eastern North America

Published online by Cambridge University Press:  02 July 2008

James C. LENDEMER
Affiliation:
Cryptogamic Herbarium, Institute of Systematic Botany, The New York Botanical Garden, Bronx, NY, 10458-5126, USA. Email: jlendemer@nybg.org
H. Thorsten LUMBSCH
Affiliation:
Department of Botany, Field Museum of Natural History, 1400 S. Lake Shore Drive, Chicago, IL 60605, USA

Abstract:

Protoparmelia capitata Lendemer, a sorediate species, is described as new to science. It is characterized by having large hemispherical soralia. Protoparmelia isidiata Diederich, Aptroot & Sérus., an isidiate species, is reported for the first time from North America. Both taxa produce alectoronic acid, and are shown to be widespread in sub-tropical portions of south-eastern North America. The placement of these two taxa in Protoparmelia is supported by a phylogenetic study of mitochondrial SSU rDNA sequences.

Type
Research Article
Copyright
Copyright British Lichen Society 2008

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