| the origin of clonal diversity and structure of populus alba in sardinia: evidence from nuclear and plastid microsatellite markers. | populus alba is a thermophilic forest tree present in the mediterranean basin. its habitat is highly fragmented and its distribution range has been subject to long-term human interference, resulting in debate surrounding whether certain populations are native or exotic in origin. in particular, populations from the islands of corsica and sardinia are of uncertain origin. while populations of p. alba mainly reproduce sexually, clonal reproduction is also common. the aims of this study were to loc ... | 2008 | 18845663 |