Article
Geographically extensive hybridization between the forest trees American butternut and Japanese walnut.
Biology letters - 23 Jun 2009
Hoban Sean M, McCleary Tim S, Schlarbaum Scott E, Romero-Severson Jeanne
Abstract excerpt
We investigate the question of naturally occurring interspecific hybrids between two forest trees: the native North American butternut (Juglans cinerea L.) and the introduced Japanese walnut (Juglans ailantifolia Carrière). Using nuclear and chloroplast DNA markers, we provide evidence for 29 F(1) and 22 advanced generation hybrids in seven locations across the eastern and southern range of the native species....
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