Persicaria sagittata (L.) H. Gross

are eaten by

• Global Biotic Interactions: Porzana carolina (Linnaeus 1758) (amerikanhuitti)

are host of

• Global Biotic Interactions: Acrostalagmus luteoalbus (Link) Zare, W. Gams & Schroers 2004
• Global Biotic Interactions: Fusarium roseum Link 1809
• Global Biotic Interactions: Nectria cinnabarina (Tode) Fr. 1849 (punanäppy)
• Global Biotic Interactions: Sphacelotheca hydropiperis (Schumach.) de Bary 1884
• Global Biotic Interactions: Nectria cinnabarina (Tode) Fr. 1849 (punanäppy)

are visited by

• Global Biotic Interactions: Eumenes fraternus Say 1824
• Global Biotic Interactions: Vespula maculifrons (Buysson 1905)
• Global Biotic Interactions: Tropidia albistylum Macquart 1847

have flowers visited by

• Global Biotic Interactions: Propylea japonica (Thunberg 1781)
• Global Biotic Interactions: Propylea japonica (Thunberg 1781)
• Global Biotic Interactions: Vespula maculifrons (Buysson 1905)
• Global Biotic Interactions: Lucilia caesar (Linnaeus 1758)
• Global Biotic Interactions: Tropidia albistylum Macquart 1847