Population genetics of Norway spruce (Picea abies Karst.) at regional scale: sensitivity of different microsatellite motif classes in detecting differentiation Ivan Scotti, Gianpaolo Paglia, Federica Magni and Michele MorganteAnn. For. Sci., 63 5 (2006) 485-491DOI: https://doi.org/10.1051/forest:2006029