Washingtonia occidentalis (Nuttall ex Torrey & A. Gray) J.M. Coulter & Rose nom. illeg.

Washingtonia occidentalis (Nuttall ex Torrey & A. Gray) J.M. Coulter & Rose nom. illeg. is a synonym sensu POWO of:

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