Also called green spurge.

Native to Eurasia.  Invasive > Global Invasive > in USA+Canada Invasive > report it! Invasive > in USA Invasive > in USFS (.pdf) Invasive > in Michigan

For kids!  This plant described in a USDA Forest Service coloring noxious weeds page.

Learn more about leafy spurge Euphorbia esula

Biology and Biological Control (.pdf) Biological Control in Eastern USA (.pdf page 189)
Discover Life Encyclopedia of Life Google Google images USDA PLANTS db USFS Wikipedia