Braya purpurascens var. dubia (R. Brown) O.E. Schulz
Braya purpurascens var. dubia (R. Brown) O.E. Schulz is a synonym sensu FNA Ed. Comm., 2010 of:
Braya purpurascens (R. Brown) Bunge ex Ledebour, an accepted species name sensu Koch et al., 2017+.