Nightblooming False Bindweed, Night-blooming Bindweed, Night-blooming Morning-glory: Calystegia atriplicifolia ssp. atriplicifolia (Synonym: Convolvulus nyctagineus) -
Lady's Nightcap, Bellbind, Hedge Bindweed, Hedge False Bindweed: Calystegia sepium ssp. angulata (Synonyms: Convolvulus sepium, Calystegia sepium var. angulata, Convolvulus repens, Convolvulus sepium var. repens) -