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A standardized morphological terminology and descriptive scheme for Lepraria (Stereocaulaceae)

Published online by Cambridge University Press:  29 July 2011

James C. LENDEMER
Affiliation:
Institute of Systematic Botany, The New York Botanical Garden, Bronx, NY 10458-5126, USA and PhD Program in Biology (Plant Sciences), The Graduate Center, City University of New York, 365 Fifth Ave., New York, NY 10016-4309, USA. Email: jlendemer@nybg.org

Abstract

A standardized morphological terminology and descriptive scheme for the sterile asexually reproducing genus Lepraria s. lat. is presented. The contribution includes observations on development and ontogeny of morphological structures and is extensively illustrated with scanning electron and light micrographs. Lepraria has long been considered to be devoid of morphological characters, however the results of extensive micro- and macro-morphological studies strongly refute this hypothesis. The morphological structures of the thallus are defined and described based on their varying degrees of complexity. Thalline morphological variability in the group is categorized into two major types that are further subdivided into six subtypes. Each subtype is described and an artifical key to the subtypes is provided.

Type
Research Article
Copyright
Copyright © British Lichen Society 2011

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A standardized morphological terminology and descriptive scheme for Lepraria (Stereocaulaceae)
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