Polygonum hydropiper L.

POWO follows these authorities in synonymising this name:

• Allred, K.W. (2012). Flora Neomexicana, ed. 2, 1: 1-599. Range Science Herbarium, Las Cruces, New Mexico. [Cited as Persicaria hydropiper.]
• Dobignard, A. & Chatelain, C. (2013). Index synonymique de la flore d'Afrique du nord 5: 1-451. Éditions des conservatoire et jardin botaniques, Genève. [Cited as Persicaria hydropiper.]
• Jonsell, B. (ed.) (2000). Flora Nordica 1: 1-344. The Bergius Foundaton. [Cited as Persicaria hydropiper.]
• Kral, R., Diamond, A.R., Ginzbarg, S.L., Hansen, C.J., Haynes, R.R., Keener, B.R., Lelong, M.G., Spaulding, D.D. & Woods, M. (2011). Annotated checklist of the vascular plants of Alabama: 1-112. Botanical reseach institute of Texas. [Cited as Persicaria hydropiper.]
• Park, C.W. (ed.) (2018). Flora of Korea 3: 1-131. National Institute of Biological Resources. [Cited as Persicaria hydropiper.]
• Takhtajan, A.L. (ed.) in Takhtajan, A.L. (ed.) (2012). Konspekt Flora Kavkaza 3(2): 1-623. Editio Universitatis Petropolitanae. [Cited as Persicaria hydropiper.]
• Ter-Voskanyan, H.P. (2011). Armenian representatives of genera Fallopia Adans., Bistorta (l.) Scop., Aconogonon (Meisn.) Reichenb. and Persicaria Mill.. Takhtajania 1: 121-124. [Cited as Persicaria hydropiper.]

This name was accepted following an alternative taxonomy by these authorities:

• Tutin, T.G. & al. (eds.) (1993). Flora Europaea ed. 2, 1: 1-581. Cambridge University Press. [Cited as Polygonum hydropiper.]