silver poplar, white poplar
[Populus alba var. bolleana L., more...]
Etymology: Populus: Latin for "poplar," derivation obscure
Plants: perennial tree to 70' tall with whitish-gray bark with diamond-shaped marks; branches mostly widely spreading
Leaves: coarsely toothed or often with 3-7 palmate lobes; underside white-hairy
Flowers: 2"-3" long hanging catkin
Invasiveness: Invasive - Eradicate!
Conservation Status: Introduced - persisting and spreading; ecologically invasive
WIS DNR-Bureau of Endangered Resources: Detailed information on Wisconsin invasive species including decription, habitats, control methods Invasive And Exotic Species of North America: Descriptions, management issues, warnings, photos, etc. USDA Plants Database: Federal Distribution and detailed information including photos University of Wisconsin - Green Bay: Trees: Photos, descriptions, information Virginia Tech Dept. of Forestry, College of Natural Resources: detailed description and photographs Weeds Gone Wild: Alien Plant Invaders of Natural Areas: Descriptions, photos, management help, etc. Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"