Scrophularia californica var. oregana (Pennell) B. Boivin

Scrophularia californica var. oregana (Pennell) B. Boivin is a synonym sensu FNA Ed. Comm., 2019 of:

Scrophularia californica Chamisso & Schlechtendal, an accepted species name sensu FNA Ed. Comm., 2019.