Dieteria bigelovii
Dieteria bigelovii (Bigelow's tansyaster) is a North American species of plants in the sunflower family. It is native to the southwestern United States (Arizona, New Mexico, Utah, Colorado, and Albany County in Wyoming).
Dieteria bigelovii is a biennial or perennial herb. It produces several flower heads. Ray florets are female, blue or purple. Disc florets are yellow and bisexual.