| Persicaria extremiorientalis (Vorosch.) Tzvelev, 1987 |
| Persicaria ferruginea (Wedd.) Soják, 1974 |
| Persicaria glabra (Willd.) M. Gómez, 1896 |
| Persicaria hispida (Kunth) M. Gómez, 1896 |
| Persicaria hydropiper (L.) Delarbre, 1800 |
| Persicaria hydropiperoides (Michx.) Small, 1903 |
| Persicaria lapathifolia (L.) A. Gray, 1822 |
| Persicaria lapathifolia (L.) Delarbre, 1800 |
| Persicaria longistyla (Small) Small, 1903 |
| Persicaria maculosa Gray, 1821 |
| Persicaria maculosa subsp. hirticaulis (Danser) Knutsson, 1996 |
| Persicaria meisneriana (Cham. & Schltdl.) M. Gómez, 1896 |
| Persicaria mexicana (Small) Small, 1903 |
| Persicaria nepalensis (Meisn.) Miyabe, 1934 |
| Persicaria palmae J.J. Ancona & J.J. Ortiz-Díaz, 2025 |
| Persicaria pensylvanica (L.) M. Gómez, 1896 |
| Persicaria persicarioides Small, 1903 |
| Persicaria pringlei (Small) J.J. Ancona & J.J. Ortiz-Díaz, 2025 |
| Persicaria pulchra (Blume) Soják, 1974 |
| Persicaria punctata (Elliott) Small, 1903 |