Actaea genus --- Buttercup family
white baneberry (Actaea pachypoda) -- in April -- Great Smoky Mountains National Park, TN white & cream TN-GSM
red baneberry (Actaea rubra) -- in June -- Bangtail Trail, Gallatin National Forest, MT white & cream MT-S
red baneberry (Actaea rubra) -- in July -- Sand Creek National Landmark, WY WY-SC