Taxonomic status: Synonym

homotypic synonyms:
Calystegia sepium subsp. americana (Sims) Brummitt; Calystegia sepium var. americana (Sims) Kitag.; Convolvulus americanus (Sims) Greene; Convolvulus americanus (Sims) J.W. Loudon;

protologue: Bot. Mag. 19: t. 732 (1804)
URL protologue: https://archive.org/stream/mobot31753002719620#page/732/mode/2up

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