originates in Europe, and is grown for its edible roots and leaves; the main use is as a coffee substitute. The plant has spread all across the US, generally near settlements and cultivated areas. Although usually a rich blue, the flowers are sometimes pink or even white. Stems are thick, and branch a few times.
The white-flowered desert chicory
has similar ray-shaped petals; each have a flattish outer edge with five small teeth.