- Populus alba is a tree that can grow 40-80 ft. (12.2-24.4 m) tall and 40-50 ft. (12.2-15.2 m) wide. The bark on young trees is smooth and greenish white becoming gray and wrinkled, as trees age.
- The leaves resemble maple leaves, but the topside of leaves are shiny, dark green while the underside is bright white and hairy. Leaves are 2-4 in. (5.1-10.2 cm) long.
- Flowers are inconspicuous and develop in slim, cylindrical flower clusters (catkins) before the leaves develop.
- Fruit are small, hairy seed pods that are spread by wind.
- Ecological Threat
- Branches are susceptible to breakage when under stress, such as heavy snow or ice. Trees produce prolific rootsprouts. Populus alba is native to Eurasia and grows best in full sun.
Gucker, Corey L. 2010. Populus alba and hybridsl, Fire Effects Information System, U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory 
Global Invasive Species Database. 2011. Invasive Species Specialist Group (ISSG) of the IUCN Species Survival Commission 
Virginia Tech Department of Forest Resources and Environmental Conservation 
University of Connecticutt Database of Trees, Shrubs and Vines 
Plant Conservation Alliance's Alien Plant Working Group 
University of California, Jepson Flora Project 
Invasive Plant Atlas of New England (IPANE) 
Flora of Pakistan, www.eFloras.org 
USDA NRCS PLANTS 
USDA ARS GRIN 
Images from Bugwood.org