– greater baby-innocence, large-flowered tonella
Distribution: Occurring along the southern border of Washington; Canyon of the Snake River and tributaries; Washington south to Oregon, east to Idaho.
Habitat: Open, often rocky places, at low elevations.
– lesser baby-innocence, small-flowered tonella
Distribution: Along the Columbia River from the east end of the gorge to the coast, south in the Puget Trough to central California.
Habitat: Fairly moist in open to partly shaded places at low elevations.