Taxonomic status: Synonym

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

protologue: Pittonia 3: 328 (1898)
URL protologue: https://archive.org/stream/mobot31753002148689#page/328/mode/2up

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