State Rank Reason (see State Rank above)
Numerous collections from western Montana at MONTU. Though widespread in western Montana in appropriate habitat, usually not abundant.
Plants mostly glabrous, rhizomatous, stoloniferous. Stems lacking; peduncles 2–9 cm. Leaf blades 1–3 cm long, broadly cordate to reniform with crenulate margins; stipules lanceolate, glandular-toothed. Flowers white, 8–12 mm long; the lower petals with purple lines; the lateral pair mostly glabrous; spur 2–3 mm long; style glabrous. Capsule 3–5 mm long
(Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).