Thalictrum sparsiflorum var. richardsonii (A. Gray) B. Boivin

Thalictrum sparsiflorum var. richardsonii (A. Gray) B. Boivin is a synonym sensu FNA Ed. Comm., 1997 of:

Thalictrum sparsiflorum Turczaninow ex Fischer & C.A. Meyer, an accepted species name sensu FNA Ed. Comm., 1997.