[2] It is native to the western United States, where it has been recorded in Washington, Idaho, Oregon, and as far south as central California.

[4] It is an annual herb producing a hairless, erect stem up to 20 cm (7.9 inches) tall.

[6] It occurs in the Columbia Plateau ecoregion east of the Cascade Range,[10] and has specifically been found in Spokane and Whitman counties.

[6][5] In Oregon, it has been recorded in Marion, Linn, Benton, Klamath, Jackson, and Josephine counties.

[1][2] In California, it has been recorded in Glenn,[11] Siskiyou, Shasta, Plumas, Butte, Sierra, Amador, Calaveras, Tuolomne, Mariposa, Madera, and Fresno counties.