Myrrhis occidentalis (Nuttall ex Torrey & A. Gray) A. Gray

Myrrhis occidentalis (Nuttall ex Torrey & A. Gray) A. Gray is a synonym sensu POWO of:

Osmorhiza occidentalis (Nuttall ex Torrey & A. Gray) Torrey, an accepted species name sensu FNA Ed. Comm., 2024.