1. Owyhee Ivesia: Ivesia baileyi var. beneolens - A small tufted plant with small white flowers on sparsely leafed stems spreading to ascending from 5-17 cm. The inflorescence is an open, branched cyme. The petals are shorter than the sepals. A plant of cliffside cracks and crevices.

2. Golden Ivesia, Gordon's Ivesia: Ivesia gordonii - A small tufted plant with dense clusters of small yellowish flowers on 5-15 cm leafless stems. The leaves are basal and are pinnately compound with many leaflets, each deeply cut into 3-5 or more small segments. A plant of rocky subalpine and alpine ridges.

3. Tweedy's Ivesia, Tweedy's Mousetail: Ivesia tweedyi -