Viola lobata var. integrifolia
in W. H. Brewer et al., Bot. California 1: 57. 1876.
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.
Phenology: Flowering Mar–Aug.
Habitat: Dry, shaded or open forests
Elevation: 300–2100 m
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.