Ranunculus trisectus Eastwood ex B. L. Robinson, Proc. Amer. Acad. Arts 45: 394. 1910

Stems: caudex 2-5 cm, sometimes sheathed with persistent leaf bases and sometimes with few or none. Basal leaf blades cordate or semicircular, 3-parted, 0.8-2.1 × 1.5-3.5 cm, all segments again 1-2×-lobed or -parted, base truncate or cordate, at least some of middle segments lobed and toothed or 2×-lobed, ultimate segments and sinuses rounded to rounded-acute. Flowers: petals 7-11 mm.

Flowering summer (Jul-Aug). Open rocky slopes and meadows; 900-3500 m; Idaho, Oreg., Wyo.