Viola lobata subsp. integrifolia (S. Watson) R. J. Little

Leaves: basal blades unlobed; cauline blades unlobed, deltate to rhombic, ovate, or reniform-cordate, usually longer than wide, margins ± serrate, crenate-serrate, or dentate to deeply serrate or coarsely and irregularly lacerate, often entire distally, apex acute, often long-tapered.

Flowering Mar–Aug. Dry, shaded or open forests; 300–2100 m; Calif., Oreg.

Variety integrifolia is considered uncommon; it occurs from southwestern Oregon to southern California and is possibly more common in Oregon than California. Plants in the same population may have subserrate, deeply serrate, or irregularly lacerate leaves.