Holly-leaf Oregon Grape, Shining Oregon Grape, Tall Oregon Grape: Berberis aquifolium (Synonyms: Berberis aquifolium var. aquifolium, Berberis nutkana, Mahonia aquifolium, Odostemon aquifolium) -
Cascade Oregon Grape, Cascade Oregon-grape, Dull Oregongrape, Long-leaved Oregon Grape: Berberis nervosa (Synonyms: Berberis nervosa var. mendocinensis, Mahonia nervosa, Mahonia nervosa var. mendocinensis, Mahonia nervosa var. nervosa, Odostemon nervosus) -
Creeping Oregon Grape, Low Oregon Grape: Berberis repens (Synonyms: Berberis aquifolium var. repens, Berberis nana, Berberis sonnei, Mahonia repens, Mahonia sonnei, Odostemon repens) -