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Studies on the Genus Nephroma I. The European and Macaronesian Species

Published online by Cambridge University Press:  28 March 2007

P. W. James  and
F. Joy White
P. W. James
Affiliation:
Department of Botany, British Museum (Natural History), Cromwell Road, London SW7 5BD, UK
F. Joy White
Affiliation:
Department of Botany, British Museum (Natural History), Cromwell Road, London SW7 5BD, UK
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Abstract

This paper reassesses the European and Macaronesian species of Nephroma, analyses their chemistry, and provides a key to the 14 species accepted. The investigation employs chemical techniques which enable even fragmentary material to be identified. Seven chemical groupings are recognized in the genus of which four occur in the species discussed here. Particular emphasis is placed on the distribution of major hopane triterpenoids within the genus. N. areolatum, N. foliolatum, N. hensseniae and N. sulcatum spp. nov. are described from Macaronesia, and N. tangeriense (Maheu & A. Gillet) Zahlbr., is accepted as distinct.

Type
Research Article
Information
The Lichenologist , Volume 19 , Issue 3 , July 1987 , pp. 215 - 268
Copyright
Copyright © British Lichen Society 1987

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