This paper provides those who work with poplars in the prairies region of Canada with an easy-to-use leaf and twig key and detailed morphological descriptions of the more commonly planted cultivars. Recommendations for their use, notes on growth, natural pruning, susceptibility to insects and diseases, and tolerance to climatic extremes are also provided.
K.J. Roller et. al. 1972. Guide to the identification of poplar cultivars on the prairies. Department of the Environment, Canadian Forestry Service.