Haplopappus carthamoides (Hooker) A. Gray subsp. rigidus (Rydberg) H. M. Hall; H. carthamoides var. erythropappus (Rydberg) H. St. John; H. carthamoides var. rigidus (Rydberg) M. Peck

Plants 30–50 cm. Stems moderately robust. Leaves: basal blades oblong to broadly spatulate, 100–200 × 10–50 mm. Involucres hemispheric, 15–20 × 20–35 mm. Phyllaries (± overlapping) broadly oblong to obovate, apices acute, mucro erect. 2n = 12.

Flowering Jun–Sep. Dry prairies, meadows, gravelly flats, rocky ridges; 400–1800 m; B.C.; Idaho, Mont., Oreg., Wash., Wyo.

Variety carthamoides is recognized by its relatively robust stems, large leaves and involucres, and overlapping, oblong to obovate phyllaries.