Calystegia silvatica subsp. orientalis Brummitt

Calystegia silvatica subsp. orientalis Brummitt is a synonym sensu FNA Ed. Comm., 2023c of:

Calystegia silvatica subsp. fraterniflora (Mackenzie & Bush) Brummitt, an accepted subspecies name sensu FNA Ed. Comm., 2023c.