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Phylogenetic relationships and species concepts in Parmelia s. str. (Parmeliaceae) inferred from nuclear ITS rDNA and β-tubulin sequences

Published online by Cambridge University Press:  10 March 2004

María del Carmen MOLINA ,
Ana CRESPO ,
Oscar BLANCO ,
H. Thorsten LUMBSCH  and
David L. HAWKSWORTH
María del Carmen MOLINA
Affiliation:
Departamento de Matemáticas y Física Aplicadas y Ciencias Naturales, Escuela Superior de Ciencias Experimentales y Tecnología, Universidad Rey Juan Carlos, Madrid 28933, Spain
Ana CRESPO
Affiliation:
Departamento de Biología Vegetal II, Facultad de Farmacia, Universidad Complutense, Madrid 28040, Spain
Oscar BLANCO
Affiliation:
Departamento de Biología Vegetal II, Facultad de Farmacia, Universidad Complutense, Madrid 28040, Spain
H. Thorsten LUMBSCH
Affiliation:
Department of Botany, The Field Museum, 1400 S. Lake Shore Drive, Chicago, Illinois 60605, USA
David L. HAWKSWORTH
Affiliation:
Departamento de Biología Vegetal II, Facultad de Farmacia, Universidad Complutense, Madrid 28040, Spain
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Abstract

The phylogenetic relationships of 16 species of Parmelia s. str. are presented based on sequences of nuITS rDNA from 56 specimens, and β-tubulin gene sequences from 29 collections. Parmelia serrana sp. nov. a Mediterranean species morphologically very close to P. saxatilis is described. Parmelia ernstiae is the sister-group to P. saxatilis s. str., and a further undescribed North American species of the P. saxatilis complex may require recognition. The isidiate P. squarrosa is closely allied to the sorediate P. sulcata, which is paraphyletic. Japanese samples of P. cochleata form a monophyletic group but too few collections of these were studied to reach firm conclusions regarding their relationships. An epitype is selected for the lectotype of Lichen saxatilis to unequivocally fix the application of that epithet.

Keywords

Ascomycotacryptic speciesLecanoraleslichensLinnean typification
Type
Research Article
Information
The Lichenologist , Volume 36 , Issue 1 , January 2004 , pp. 37 - 54
Copyright
© British Lichen Society 2004

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