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Notoparmelia, a new genus of Parmeliaceae (Ascomycota) based on overlooked reproductive anatomical features, phylogeny and distribution pattern

Published online by Cambridge University Press:  09 January 2014

Zuzana FERENCOVA ,
Paloma CUBAS ,
Pradeep Kumar DIVAKAR ,
M. Carmen MOLINA  and
Ana CRESPO
Zuzana FERENCOVA
Affiliation:
Departamento de Biología Vegetal II, Facultad de Farmacia, Universidad Complutense de Madrid, E-28040 Madrid, Spain. Email: [email protected]
Paloma CUBAS
Affiliation:
Departamento de Biología Vegetal II, Facultad de Farmacia, Universidad Complutense de Madrid, E-28040 Madrid, Spain. Email: [email protected]
Pradeep Kumar DIVAKAR
Affiliation:
Departamento de Biología Vegetal II, Facultad de Farmacia, Universidad Complutense de Madrid, E-28040 Madrid, Spain. Email: [email protected]
M. Carmen MOLINA
Affiliation:
Departamento de Biología y Geología, ESCET, Universidad Rey Juan Carlos, Móstoles, E-28933 Madrid, Spain
Ana CRESPO*
Affiliation:
Departamento de Biología Vegetal II, Facultad de Farmacia, Universidad Complutense de Madrid, E-28040 Madrid, Spain. Email: [email protected]
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Abstract

The importance of the anatomy and fine morphology of reproductive structures for the systematics of the family Parmeliaceae is highlighted by the new genus Notoparmelia, described here for Australasian species of Parmelia. These species were known to form a monophyletic lineage but correlated characters for its delimitation were lacking. A major characteristic used here for the circumscription of this genus is the overlooked apothecial anatomy. The proper exciple is reduced to one layer formed exclusively by large hyphae without any clear branching pattern and embedded in an abundant polysaccharide matrix. This feature differs from the rest of Parmeliaceae which have a stratified three-layered proper exciple composed of a thin hyaline layer, intermediate layer and basal cortex-like structure. The anatomy of proper exciple, together with the thickness of spore walls and other morphological characters such as lobe morphology, pseudocyphellae and rhizine type, allow a precise diagnosis of the new genus. The area of distribution is also useful for characterizing this genus. Sixteen new combinations are proposed.

Keywords

Australasialichensproper exciplespore walltaxonomic characters
Type
Articles
Information
The Lichenologist , Volume 46 , Issue 1 , January 2014 , pp. 51 - 67
Copyright
Copyright © British Lichen Society 2014 

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