Populus x canadensis Moench
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - A frequently planted hybrid between no. 9 [Populus deltoides Marshall] and the columnar form of no. 7, commonly with a crown of intermediate shape, the lvs also intermediate, usually without basal glands; floral disk 2–3.5 mm wide; capsules 2–3-valved, with 6–11 seeds per placenta; 2n=38. (P. ×eugenei; P. canadensis var. eugenei, the staminate clone most frequently distributed as Carolina poplar)