Drummond's Anemone - Anemone drummondii
(see State Rank Reason below)
MNPS Threat Rank
Stems 5–20 cm from a branched caudex. Leaves sparsely long-hairy to glabrous; blades 1–4 cm wide, twice ternately divided and lobed; the ultimate lobes oblong. Inflorescence usually 1-flowered, subtended by 2 to 3 petiolate bracts similar to the leaves. Flowers with 5 to 7 sepals, white, bluish on the outside, 8–12 mm long. Achenes wooly, 2–4 mm long, the beak 2–3 mm long, in a globose head 5–15 mm high (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
Ours is variety lithophila.