Jimsonweed is a very poisonous range weed having foul-smelling foliage, large trumpet-shaped flowers, and prickly fruits. Scientific name: Datura stramonium. Also called Jimmyweed, Gypsum Weed, Stink Weed, Loco Weed, Jamestown Weed, Thorn Apple, Devil's Trumpet, Devil's Snare, and more.

Public domain image courtesy of Leo Michels.