The Genus Anemone

Drummond's Anemone Anemone drummondii var. drummondii - Styles rarely plumose, usually less than 1.5 cm in fruit. Sepals usually less than 2 cm long. Sepals white or blue on the upper surface. Leaves 3-4 times ternate, the segments less than 2 mm wide.
Lyall's Anemone: Anemone lyallii -
Cliff Anemone Anemone multifida (varieties globosa, multifida, saxicola & tetonensis) : Styles rarely
plumose, usually less than 1.5 cm in fruit. Sepals usually less than 2 cm long
and yellowish to yellowish-white and tinged with red, blue or purple on the
dorsal surface. Leaves nearly triternate, the segments usually greater than
2 mm wide.
Mountain Pasque Flower Anemone occidentalis: Styles
plumose, 2-3.5 cm in fruit. Sepals 2-4 cm in length and white to purplish tinged.
Leaves 3-4 times dissected into segments less than 2 mm wide.
Oregon Anemone, Blue Windflower, Western Wood Anemone: Anemone oregana var. oregana -
Northern Anemone Anemone parviflora: Styles rarely plumose, usually less than 1.5 cm in fruit. Sepals usually less than 2 cm long. Involucre lobes lobed at least half their length. Leaves 1-3 cm wide with wedge-shaped leaflets.
Prairie Pasqueflower: Anemone patens -
Piper's Anemone Anemone piperi: Styles rarely plumose, usually less than 1.5 cm in fruit. Sepals usually less than 2 cm long. Plants rhizomatous. Sepals white or pinkish and usually longer than 8 mm. Stamens number 35-60.