| Persicaria amphibia subsp. laevimarginata (Hultén) Soják | |
| Publ. & Syn. | Polygonum amphibium var. stipulaceum Coleman, Fl. Pl. S. Pen. Mich.: 32 (1874). Described from northern U.S.A. |
| Chromosomes | 132 (12x). - Hinds and Freeman (2005a, secondary report). |
| Geography | North American: ALA CAN. |
| Distribution | N = F AN = r E = R CC = r AW = b [ key ] |
| Parent taxon | Persicaria amphibia (L.) Gray |
| PAF ID | 410301b |