Eschscholtz's Hairy Rockcress, Hairy Rock Cress, Pacific Coast Rockcress: Arabis eschscholtziana (Synonyms: Arabis hirsuta, Arabis hirsuta ssp. eschsholtziana, Arabis hirsuta var. eschsholtziana) -
Cascade Rock Cress, Columbia Gorge Rockcress, Fork-haired Rockcress: Arabis furcata (Synonym: Arabis furcata var. furcata) -
Hairy Rockcress, Hairy Rock Cress, Mountain Rockcress: Arabis hirsuta var. glabrata -
Elegant Rockcress, Purple Sicklepod Rockcress, Sicklepod Rockcress, Sickle-pod Cress: Boechera atrorubens (Synonyms: Arabis atriflora, Arabis atrorubens, Arabis sparsiflora, Arabis sparsiflora var. atrorubens) -
Littleleaf Rockcress, Little-leaf Rock Cress, Small-leaved Rockcress: Boechera microphylla (Synonyms: Arabis microphylla, Arabis microphylla var. microphylla, Arabis tenuicula, Boechera microphylla, Boechera microphylla var. microphylla) -
Columbia Rockcress, Black-flowered Rockcress, Few-flowered Rockcress, Sicklepod Rockcress, Small-flowered Rockcress, Hairystem Rockcress: Boechera pauciflora (Synonyms: Arabis campyloloba, Arabis holboellii, Arabis holboellii var. pinetorum, Arabis perelegans, Arabis sparsiflora, Arabis sparsiflora var. columbiana, Arabis sparsiflora var. subvillosa, Boechera sparsiflora var. subvillosa)
Reflexed Rockcress, Secund Rockcress: Boechera retrofracta (Synonyms: Arabis exilis, Arabis holboellii var. retrofracta, Arabis holboellii var. secunda, Arabis retrofracta, Arabis secunda, Boechera holboellii, Boechera holboellii var. secunda)
Towermustard, Tower Mustard, Tower Rockcress: Turritis glabra (Synonyms: Arabis glabra, Arabis glabra var. furcatipilis, Arabis glabra var. glabra -