![Prickly lettuce plant (Washington State University)](https://thumb.spokesman.com/uO6q6eDqVn9RLDznlEJuDvMVKgE=/600x0/media.spokesman.com/graphics/2018/07/sr-loader.png)
Prickly lettuce milkweed could turn Eastern Washington into new supplier of natural rubber
A common, drought-resistant weed that tends to flourish across the Inland Northwest could be turned into a new cash crop and possibly transform the region into a leading producer of natural rubber.