Polygonum amphibium L.

POWO follows these authorities in synonymising this name:

• Akeroyd, J.R. (2013). Docks and Knotweeds of Britain and Ireland: 1-258. Botanical Society of Britain and Ireland. [Cited as Persicaria amphibia.]
• Allred, K.W. (2012). Flora Neomexicana, ed. 2, 1: 1-599. Range Science Herbarium, Las Cruces, New Mexico. [Cited as Persicaria amphibia.]
• 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 amphibia.]
• Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.) (2000). Flora of Ethiopia and Eritrea 2(1): 1-532. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps. [Cited as Persicaria amphibia.]
• Jonsell, B. (ed.) (2000). Flora Nordica 1: 1-344. The Bergius Foundaton. [Cited as Persicaria amphibia.]
• Park, C.W. (ed.) (2018). Flora of Korea 3: 1-131. National Institute of Biological Resources. [Cited as Persicaria amphibia.]
• Stace, C. (2019). New Flora of the British Isles ed. 4: 1-1266. C & M Floristics. [Cited as Persicaria amphibia.]
• Takhtajan, A.L. (ed.) in Takhtajan, A.L. (ed.) (2012). Konspekt Flora Kavkaza 3(2): 1-623. Editio Universitatis Petropolitanae. [Cited as Persicaria amphibia.]
• 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 amphibia.]

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 amphibium.]

Flora of Tropical East Africa

• L., Sp. Pl.: 361 (1753).
• Meisn. in DC, Prodr. 14: 115 (1856).
• Meisn., Prodr. Polygon.: 67 (1826)
• Syme in Smith, Engl. Bot., ed. 3, 8: 77, tt. 1241–2 (1868).