Thalictrum sparsiflorum subsp. richardsonii (A. Gray) Cody

Thalictrum sparsiflorum subsp. richardsonii (A. Gray) Cody 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.