Columbia Wind Flower, Columbian Windflower, Threeleaf Anemone, Three-leaf Anemone, Western White Anemone: Anemone deltoidea - One collection near the Wenaha River in northeastern Oregon.
Drummond's Anemone: Anemone drummondii var. drummondii (Synonyms: Anemone cairnesiana, Anemone californica, Anemone drummondii ssp. 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.
Little Mountain Anemone, Lyall's Anemone, Little Mountain Thimbleweed, Thimbleweed: Anemone lyallii (Synonyms: Anemone nemorosa var. lyallii, Anemone oligantha, Anemone quinquefolia, Anemone quinquefolia var. lyallii) -
Cliff Anemone, Pacific Anemone: Anemone multifida var. multifida (Synonyms: Anemone globosa, Anemone hudsoniana, Anemone multifida ssp. globosa, Anemone multifida var. globosa, Anemone multifida var. hudsoniana, Anemone multifida var. nowasadii, Anemone multifida var. richardsoniana, Anemone multifida var. sansonii) - 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.
Cliff Anemone, Hirsute Anemone, Red Windflower: Anemone multifida var. saxicola (Synonyms: Anemone multifida ssp. saxicola, Anemone multifida var. hirsuta)
Cliff Anemone: Anemone multifida var. tetonensis (Synonym: Anemone tetonensis) -
Mountain Pasque Flower, Western Pasqueflower: Anemone occidentalis (Synonyms: Anemone occidentalis var. subpilosa, Pulsatilla 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.
Blue Windflower, Oregon Anemone, Western Wood Anemone: Anemone oregana var. oregana (Synonyms: Anemone adamsiana, Anemone grayi, Anemone quinquefolia, Anemone quinquefolia var. grayi, Anemone quinquefolia var. minor, Anemone quinquefolia var. oregana) -
Northern Anemone, Small-flowered Anemone: Anemone parviflora (Synonyms: Anemone parviflora var. grandiflora, Anemone parviflora var. 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 var. mutlifida -
Piper's Anemone, Piper's Windflower: 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.