Western bog or western white bog violet Western bog or western white bog violet

Viola lanceolata Linnaeus subsp. occidentalis (A. Gray) N. Russell; V. occidentalis (A. Gray) Howell; V. primulifolia subsp. occidentalis (A. Gray) L. E. McKinney & R. J. Little

Leaf blades elliptic to narrowly ovate, base usually attenuate, rarely ± truncate, surfaces glabrous, rarely pubescent. Cleistogamous flowers absent.

Flowering Mar–May. Perennially wet places, marshes, bogs; 100–500 m; Calif., Oreg.

Variety occidentalis is found in northwestern California and southwestern Oregon, often with Darlingtonia californica (V. B. Baird 1942; R. J. Little 1993, 2012).