Cut-leaved Tansymustard, Mountain Tansymustard: Descurainia incisa ssp. incisa (Synonyms: Descurainia incana ssp. incisa, Descurainia incana ssp. viscosa, Descurainia incisa ssp. viscosa, Descurainia richardsonii ssp. incisa, Descurainia richardsonii ssp. viscosa, Descurainia richardsonii var. sonnei, Descurainia richardsonii var. viscosa) - Leaves once pinnate. Pods linear with pointed tips and strongly constricted between seeds, ranging from 5-17 mm long. Pedicels and pods ascending to widely spreading. Plants eglandular to glandular. Found from southern British Columbia south to California (to the east of the Cascades) and east to the Rocky Mts. from Alberta to New Mexico.
Mountain Tansymustard, Narrow Tansymustard, Thread-stalk Cutleaf Tansymustard, Western Tansymustard: Descurainia longipedicellata (Synonym: Descurainia incisa ssp. filipes, Descurainia incisa var. filipes, Descurainia pinnata ssp. filipes, Descurainia pinnata var. filipes) -
Intermediate Tansymustard, Salty Tansymustard, Short-fruit Western Tansymustard, Shortpod Tansymustard, Western Tansymustard: Descurainia pinnata ssp. brachycarpa (Synonyms: Descurainia brachycarpa, Descurainia pinnata ssp. intermedia, Descurainia pinnata var. brachycarpa, Descurainia pinnata var. halictorum, Descurainia pinnata var. intermedia, Descurainia pinnata var. osmiarum) -
Flixweed, Flixweed Tansymustard, Herb Sophia: Descurainia sophia -