Phacelia cronquistiana, Cronquist's phacelia, is a plant species native to Utah and Arizona, known only from Kane and Mohave Counties. It occurs in sagebrush and Pinus ponderosa forests at elevations of 1,900–2,100 m (6,200–6,900 ft). Phacelia cronquistiana is an erect annual herb up to 10 cm (3.9 in) tall. Leaf blades are 3–7 mm long and 2–6 mm wide. Flowers are up to 4 mm long, pale purple with a white center.