| Family: | Polygonaceae |
| Genus: | Persicaria (per-sih-KAR-ee-uh) (Info) |
| Species: | pensylvanica (pen-sill-VAN-ee-ka) (Info) |
| Synonym: | Polygonum bicorne |
| Synonym: | Polygonum mexicanum |
| Synonym: | Polygonum mississippiense |
| Synonym: | Polygonum pensylvanicum |
| Synonym: | Persicaria mississippiensis |