Chemotaxonomy and cytology of birches in Scotland
The two arborescent birch species recognised within the morphologically variable Betula alba complex in Britain are B.pendula Roth (2n=28) and B.pubescens Ehrh. (2n=56). Reports of the occurrence of an intermediate cytotype (2n=42) within a mixed B.pendula/B.pubescens population in Glen Gairn, Deesi...
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University of Aberdeen
1981
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| Online Access: | http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.593822 |