Calystegia sepium var. angulata (Brummitt) N.H. Holmgren
Calystegia sepium var. angulata (Brummitt) N.H. Holmgren is a synonym sensu FNA Ed. Comm., 2023c of:
Calystegia sepium subsp. angulata Brummitt, an accepted subspecies name sensu FNA Ed. Comm., 2023c.