Erysimum capitatum (Douglas ex Hooker) Greene var. purshii (Durand) Rollins [family CRUCIFERAE], Cruciferae Continental N. Amer., 482. 1993
Erysimum asperum (Nuttall) de Candolle var. purshii Durand [family CRUCIFERAE], Trans. Amer. Philos. Soc., n. s., 11: 159. 1859
Cheiranthus alpestris (Cockerell) A. Heller [family CRUCIFERAE]
Cheiranthus argillosus Greene [family CRUCIFERAE]
Cheiranthus aridus A. Nelson [family CRUCIFERAE]
Cheiranthus asperrimus Greene [family CRUCIFERAE]
Cheiranthus bakeri Greene [family CRUCIFERAE]
Cheiranthus nivalis Greene [family CRUCIFERAE]
Cheiranthus nivalis var. amoenus Greene [family CRUCIFERAE]
Cheiranthus oblanceolatus (Rydberg) A. Heller [family CRUCIFERAE]
Cheiranthus radicatus (Rydberg) A. Heller [family CRUCIFERAE]
Cheirinia amoena (Greene) Rydberg [family ]
Cheirinia argillosa (Greene) Rydberg [family ]
Cheirinia arida (A. Nelson) Rydberg [family ]
Cheirinia asperrima (Greene) Rydberg [family ]
Cheirinia bakeri (Greene) Rydberg [family ]
Cheirinia brachycarpa Rydberg [family ]
Cheirinia cockerelliana (Daniels) Cockerell [family ]
Cheirinia desertorum Wooton & Standley [family ]
Cheirinia nivalis (Greene) Rydberg [family ]
Cheirinia nivalis var. radicata (Rydberg) Cockerell [family ]
Cheirinia oblanceolata (Rydberg) Rydberg [family ]
Cheirinia radicata (Rydberg) Rydberg [family ]
Erysimum amoenum (Greene) Rydberg [family CRUCIFERAE]
Erysimum angustatum Rydberg [family CRUCIFERAE]
Erysimum argillosum (Greene) Rydberg [family CRUCIFERAE]
Erysimum aridum (A. Nelson) A. Nelson [family CRUCIFERAE]
Erysimum asperrimum (Greene) Rydberg [family CRUCIFERAE]
Erysimum asperum var. amoenum (Greene) Reveal [family CRUCIFERAE]
Erysimum asperum var. angustatum (Rydberg) B. Boivin [family CRUCIFERAE]
Erysimum asperum var. pumilum S. Watson [family CRUCIFERAE]
Erysimum bakeri (Greene) Rydberg [family CRUCIFERAE]
Erysimum capitatum var. amoenum (Greene) R. J. Davis [family CRUCIFERAE]
Erysimum capitatum var. argillosum (Greene) R. J. Davis [family CRUCIFERAE]
Erysimum capitatum var. nivale (Greene) N. H. Holmgren [family CRUCIFERAE]
Erysimum cockerellianum Daniels [family CRUCIFERAE]
Erysimum desertorum (Wooton & Standley) Rossbach [family CRUCIFERAE]
Erysimum nivale (Greene) Rydberg [family CRUCIFERAE]
Erysimum oblanceolatum Rydberg [family CRUCIFERAE]
Erysimum radicatum Rydberg [family CRUCIFERAE]