Rush skeletonweed - Chondrilla juncea

"Chondrilla juncea" is a species of flowering plant in the daisy family known by a number of common names, including rush skeletonweed, gum succory, devil's grass, and nakedweed. The plant is native to Europe, Asia, and North Africa, but it is known throughout most temperate regions of the world as an introduced species which is usually considered a noxious weed.