Taxa: Descurainia incana (Descurainia richardsonii, Sisymbrium incanum, Sisymbrium richardsonii, Sophia hartwegiana, Sophia procera, Sophia richardsonii, Descurainia incana ssp. incana, Descurainia incana ssp. procera, Descurainia richardsonii ssp. procera, Descurainia incana var. macrosperma, Descurainia
... (show all) incana var. major, Descurainia richardsonii var. brevipes, Descurainia richardsonii var. macrosperma, Descurainia richardsonii var. procera, Descurainia richardsonii var. richardsonii), Descurainia incana ssp. incisa