Graham Muir, Andrew J. Lowe, Colin C. Fleming and Claus Vogel
Annals of Botany AOBPreview published 15 April 2004, 10.1093/aob/mch096
The article that appears here is a corrected version of that originally published.
There was an incorrect sentence in paragraph 5 of the Introduction in the previous version: �To evaluate the impace of genetic drift populations were sampled along a North-South gradient in close geographical proximity, as well as at more plum locations�.