Osmorhiza occidentalis, the western sweetroot, a flowering plant species native to much of western North America
Senna occidentalis | Platanus occidentalis | Thuja occidentalis | Sarcoscypha occidentalis | Osmorhiza occidentalis | Osmorhiza | Linderiella occidentalis | Juniperus occidentalis | Euthamia occidentalis | Emblemariopsis occidentalis | Anemone occidentalis |