Polygonum amphibium var. natans Michaux nom. illeg.
Polygonum amphibium var. natans Michaux nom. illeg. is a synonym sensu FNA Ed. Comm., 2005 of:
Persicaria amphibia var. stipulacea (N. Coleman) H. Hara, an accepted variety name.
Polygonum amphibium var. natans Michaux nom. illeg. is a synonym sensu FNA Ed. Comm., 2005 of:
Persicaria amphibia var. stipulacea (N. Coleman) H. Hara, an accepted variety name.