1. Yellow Mountain Avens, Drummond's Mountain-avens: Dryas drummondii var. drummondii - Low lying or mat-forming semi shrubs with evergreen leaves which are thick, leathery, and rounded and rolled over edges. The upper leaf surfaces are wrinkled and dark green, the undersides are white woolly. The yellow flowers are single atop leafless stems, each flower having 8-10 egg-shaped petals which ascend rather than spread and many yellow stamens. This is a plant of open, rocky slopes from subalpine and alpine habitats.

2. White Mountain-avens, Eightpetal Mountain-avens: Dryas octopetala ssp. hookeriana - Low lying or mat-forming semi shrubs with evergreen leaves which are thick, leathery, and rounded and rolled over edges. The upper leaf surfaces are wrinkled and dark green, the undersides are white woolly. The white flowers are single atop leafless stems, each flower having 8-10 egg-shaped petals which spread and many yellow stamens. This is a plant of open, rocky slopes from subalpine and alpine habitats.