Pyrrocoma subsquarrosa Greene, Erythea 3: 22. 1895; Haplopappus carthamoides (Hooker) A. Gray var. subsquarrosus (Greene) Dorn

Plants 10–30 cm. Stems probably slender (leafy). Leaves: basal blades lanceolate or narrowly spatulate, 80–120 × 10–18 mm (margins conspicuously spinulose-serrate). Involucres narrowly campanulate, 17 × 20–25 mm. Phyllaries lanceolate to oblong, apices broad, truncate, abruptly mucronate, mucro recurved.

Flowering Sep. Grassland and shrubland communities; of conservation concern; 1600–3100 m; Mont., Wyo.

Variety subsquarrosa is known from about 22 locations in northwestern Wyoming and adjacent southwestern Montana. This taxon is recognized by its low stature and phyllaries with recurved apices.