Publication: Taxon. 29: 300. 1970.
Origin: Introduced from Europe
Herbarium search: CPNWH
Notes: FNA5: "Fallopia convolvulus can be an aggressive weed in crop fields. Rare plants with winged fruiting perianths have been named var. subalata; that characteristic often varies within populations."
Last updated 5/13/2020 by David Giblin.