Members of the Waterleaf Family Found in the Columbia River Gorge:
A. Dwarf Hesperochiron: Hesperochiron pumilus - Leaves all basal. Flowers solitary on long pedicels arising at the base of the plant.
B. Waterleaf: The Genus Hydrophyllum - Leaves found basally or on the stem. Flowers in congested, head-like cymes, the stamens exserted from the corolla..
C. Nemophilas: The Genus Nemophila - Leaves toothed or lobed, found mainly on the lower stem. Flowers solitary in the axils of the well-spaced stem leaves.
D. Phacelias: The Genus Phacelia - Leaves largely basal, but fairly numerous on the stems. Flowers in elongated spikes with coiled cymes, the stamens exserted from the corolla.
E. Sitka Mistmaiden, Sitka Romanzoffia: Romanzoffia sitchensis - Leaves largely basal with a few on the stems. Leaves kidney-shaped with broad, rounded teeth. Flowers in cymes, the stamens included within the corolla. Plants of wet cliffs and streamsides.