The large white flowers of prickly poppy are always a welcome sight when you travel southwestward. Not so much to farmers since they're a pasture pest. Herbivores don't much like them, and if you're not careful you can end up with a pasture full of poppies but not much else. White prickly poppy was used by Native Americans to treat many ailments. Skin problems in particular responded to medications made with the yellow latex. White prickly poppy grows in AL, AR, CT, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, MI, MO, MS, NC, NY, OH, OK, RI, SC, TN, TX, and WY. The northeastern range is adventive or introduced. Washington Co TX, 4/16/22. Poppy family, Papaveraceae.