1	"Fruit beak (18)20--40(50) mm, long-shaggy-hairy, plumose; sepals 10--17(19) mm wide"	"Anemone occidentalis"
1	"Fruit beak <= 6 mm, glabrous to puberulent, not plumose; sepals generally 3.5--15(20) mm wide"	2
2	"Leaves generally > 1; leaves, involucre bracts simple or 1--2-ternate, lobed to dissected; plant from tuber or caudex; fruit body densely woolly or silky; sepals <= 10 mm wide"	3
2	"Leaves 0--2; leaves, involucre bracts simple or 1-ternate, crenate or serrate to lobed, not dissected; plant from rhizome; fruit body glabrous to puberulent or rough-hairy; sepals 1.5--15(20) mm wide"	5
3	"Fruit aggregate ellipsoid, (15)20--30 mm; fruit beak soft-puberulent; e DMtns"	"Anemone tuberosa"
3	"Fruit aggregate generally spheric, 10--20 mm; fruit beak glabrous; KR, CaR, SN"	4
4	"Stamens 80--100; leaf ultimate segments 1--1.5(2) mm wide; involucre bracts +- 2-ternate, in 1 whorl; sepals white to +- blue"	"Anemone drummondii var. drummondii"
4	"Stamens 50--80; leaf ultimate segments (1.5)2--3.5(5) mm wide; involucre bracts +- 1-ternate, in (1)2 whorls; sepals green to yellow, blue, purple, or red (white)"	"Anemone multifida var. multifida"
5	"Involucre bracts generally simple, +- sessile; sepals generally 5, (8)10--15(20) mm wide, white; stamens >= 100"	"Anemone deltoidea"
5	"Involucre bracts generally 1-ternate, stalked; sepals generally 5--7, generally 1.5--8 mm wide, blue to purple, +- red, pink, or white; stamens <=75"	6
6	"Fruit beak (0.5)1--1.5 mm; sepals 10--20 mm; stamens 30--60(75)"	"Anemone oregana var. oregana"
6	"Fruit beak +- 0.5--1 mm; sepals 3.5--15 mm; stamens <= 40"	7
7	"Sepals 7--15 mm, 4--8 mm wide; pedicel generally (0.5)3--10 cm in fruit; fruit beak 0.6--1 mm; stamens 25--40"	"Anemone grayi"
7	"Sepals 3.5--8(10) mm, 1.5--3(3.5) mm wide; pedicel 1--3(4) cm in fruit; fruit beak +- 0.5 mm; stamens 10--30(35)"	"Anemone lyallii"