Research Branch Project: E.P. 1123
http://www.for.gov.bc.ca/hre/projects/projects/0002.htm
E.P. 1123 - Adaptive Variation and Genetic Architecture in Red Alder (Alnus rubra), Black Cottonwood (Populus trichocarpa) and Balsam Poplar (Populus balsamifera) Populations ...