Persicaria foliosa var. paludicola (Makino) Hara

are eaten by

• Global Biotic Interactions: Galerucella nymphaeae (Linnaeus 1758)
• Global Biotic Interactions: Tyloderma rufescens Casey 1892
• Global Biotic Interactions: Tyloderma subpubescens Casey 1892
• Global Biotic Interactions: Simyra henrici Grote 1873
• Global Biotic Interactions: Synclita obliteralis Walker 1859

are host of

• Global Biotic Interactions: Puccinia polygoni-amphibii Pers. 1801
• Global Biotic Interactions: Ustilago utriculosa (Nees) Tul. & C. Tul. 1847
• Global Biotic Interactions: Uromyces polygoni-avicularis (Pers.) G. H. Otth 1864
• Global Biotic Interactions: Ustilago utriculosa (Nees) Tul. & C. Tul. 1847
• Global Biotic Interactions: Uromyces polygoni-avicularis (Pers.) G. H. Otth 1864

have flowers visited by

• Global Biotic Interactions: Lasioglossum imitatum (Walker 1986)
• Global Biotic Interactions: Crabro tumidus (Packard 1867)
• Global Biotic Interactions: Ectemnius trifasciatus (Say 1824)
• Global Biotic Interactions: Coccinella novemnotata Herbst 1793 (Nine-spotted Lady Beetle)
• Global Biotic Interactions: Ichneumon ambulatorius Fabricius 1775