Polygonum amphibium subsp. laevimarginatum Hultén

Polygonum amphibium subsp. laevimarginatum Hultén is a synonym sensu FNA Ed. Comm., 2005 of:

Persicaria amphibia var. stipulacea (N. Coleman) H. Hara, an accepted variety name sensu Ballestas et al., 2024.