A study of hybrids between betula pubescens Ehrh. and Betula nana L. from Sutherland—an integrated approach

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Abstract
Ben Loyal, Sutherland is one of the two sites in Britain where hybrids between Betula pubescens Ehrh. and Betula nana L. have been reported. In view of the confused taxonomic state of the genus Betula, populations in the area were surveyed for distinguishing characteristics of both parents and possible hybrids. Individual plants were investigated by an integration of morphological, biochemical and cytological techniques. The approach and results are considered significant in the wider context of taxonomic study in the genus Betula.