Synonyms
Calystegia fraterniflora (Mack. & Bush) Brummitt
Calystegia sepium var. fraterniflora (Mack. & Bush) Shinners
Convolvulus fraterniflorus (Mack. & Bush) Mack. & Bush
Convolvulus sepium var. fraterniflorus Mack. & Bush
Calystegia silvatica subsp. fraterniflora (Mack. & Bush) Brummitt