Citation:
Rood SB, Goater LA, McCaffrey D, Montgomery JS, Hopkinson C, Pearce DW. Growth of riparian cottonwoods: Heterosis in some intersectional Populus hybrids and clonal expansion of females. Trees. 2017;31:1069-1081.
Department of Biological Sciences,Univ. Lethbridge, Alberta T1K 3M4