Oregon anemone (Anemone oregana) from near the upper portion of the East Hardy Ridge Trail, Beacon Rock State Park...........April 20, 2015.
Balkan Anemone, Grecian Windflower, Winter Windflower: Anemonoides blanda (Synonym: Anemone blanda) - Non-native species from southeastern Europe and the Middle East. Found occasionally at old, abandoned homesites where it can spread slowly.
Columbia Wind Flower, Columbian Windflower, Threeleaf Anemone, Three-leaf Anemone, Western White Anemone: Anemone deltoidea - Stem leaves simple.
Drummond's Anemone: Anemone drummondii var. drummondii (Synonyms: Anemone cairnesiana, Anemone californica, Anemone drummondii ssp. drummondii)
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) - Stem leaves trifoliate. Calyx up to 15 mm wide. Stamens 10-30.
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) - Stem leaves parted and cleft into numerous oblong divisions.
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) - Stem leaves trifoliate. Calyx often over 20 mm wide. Stamens 30-60.