Boreal sage

Artemisia campestris Linnaeus var. purshii (Besser) Cronquist; A. campestris var. spithamaea (Pursh) M. Peck; A. campestris var. strutziae S. L. Welsh; A. purshii Besser; A. spithamaea Pursh; Oligosporus borealis (Pallas) Polyakov; Oligosporus groenlandicus (Hornemann) Á. Löve & D. Löve

Plants 10–20(–40) cm, herbage villoso-tomentose, glabrate, or glabrous. Corollas (at least lobes) usually yellow-orange (sometimes red-tinged), 2.2–3 mm. 2n = 18, 36.

Flowering mid–late summer. Open meadows, usually on well-drained soils; 0–3500 m; Alta., B.C., N.W.T., Nunavut, Sask., Yukon; Alaska, Calif., Colo., Idaho, Mont., Utah, Wash., Wyo.; Eurasia.

Subspecies borealis is widespread in the mountains of western North America. Some high-elevation populations have corollas tinged with red.