| English | American pigweed | | | 1 | Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource). |
| English | carelessweed | | | 1 | Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource). |
| English | common amaranth | | | 1 | Botanical Society of the British Isles. BSBI taxon database (on-line resource). |
| English | pigweed redroot | | | 1 | Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource). |
| English | redroot | | | 1 | Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL. |
| English | redroot amaranth | | | 1 | FNA Editorial Committee. 1993-. Flora of North America. |
| English | redroot pigweed | | | 1 | Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL. |
| English | reflexed amaranth | | | 1 | Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource). |
| English | rough pigweed | | | 1 | Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL. |
| English | wild-beet amaranth | | | 1 | FNA Editorial Committee. 1993-. Flora of North America. |
| Chinese | fan zhi xian | 反枝苋 | | 2 | Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). |
| English (Canada) | redroot pigweed | | Agriculture & Agri-Food Canada official name | 2 | Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 90. |
| French | amarante réfléchie | | | 2 | Feuillet, C. 1998. pers. comm. Note: re. French common names |
| French (Canada) | amarante à racine rouge | | Agriculture & Agroalimentaire Canada nom officiel | 2 | Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 90. |
| German | Ackerfuchsschwanz | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| German | zurückgekrümmter Fuchsschwanz | | | 2 | Erhardt, W. et al. 2008. Der große Zander: Enzyklopädie der Pflanzennamen 2:1197. |
| Portuguese (Brazil) | carurú-áspero | | | 2 | Groth, D. 2005. pers. comm. Note: re. Brazilian common names |
| Spanish | amaranto común | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| Spanish (Mexico) | quintonil | | | 2 | Lira, R. et al., eds. 2016. Ethnobotany of Mexico Springer, New York, US. 114-115. |
| Swedish | svinamarant | | | 2 | Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource) |