Ranunculus occidentalis, the western buttercup, is a species of buttercup found in the western regions of North America. Its distribution extends from Alaska through British Columbia and Alberta to central California. The flower can be seen in open meadows, forests, and other generally flat areas up to an elevation of .
Aleut first nations may have used juice from the plant as a poison,Flora of North America its toxicity arising from the substance protoanemonin. Shasta first nations coincided blooming Ranunculus occidentalis with salmon runs in the summer. The seeds were used to make pinole, a staple food.Ethnobotany
This plant is similar to, and sometimes difficult to distinguish from, the California buttercup (Ranunculus californicus).
References
External links
Washington Burke Museum Photo gallery