| English | cowgrass clover | | | 1 | Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource). |
| English | Chilean clover | | | 1 | Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource). |
| English | mammoth red clover | | | 1 | 1998. Federal Seed Act and Regulations, Agricultural and Vegetable Kind Lists, United States Department of Agriculture, Agricultural Marketing Service, Seed Regulatory and Testing Branch. |
| English | medium red clover | | | 1 | 1998. Federal Seed Act and Regulations, Agricultural and Vegetable Kind Lists, United States Department of Agriculture, Agricultural Marketing Service, Seed Regulatory and Testing Branch. |
| English | peavine clover | | | 1 | Duke, J. A. 1981. Handbook of legumes of world economic importance |
| English | purple clover | | | 1 | Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening |
| English | red clover | | | 1 | Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL. |
| French | trèfle des prés | | | 2 | Demilly, D. et al. 2001. Liste alphabétique des principales espèces de plantes cultivées et de mauvaises herbes. Noms latins et noms français, ed. 7 GEVES-SNES, Beaucouzé, France. |
| French | trèfle rouge | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| French | trèfle violet | | | 2 | Demilly, D. et al. 2001. Liste alphabétique des principales espèces de plantes cultivées et de mauvaises herbes. Noms latins et noms français, ed. 7 GEVES-SNES, Beaucouzé, France. |
| German | Rotklee | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| Italian | trifoglio pratense | | | 2 | International Seed Testing Association. 1982. A Multilingual Glossary of Common Plant-Names 1. Field crops, grasses and vegetables, ed. 2. |
| Italian | trifoglio violetta | | | 2 | International Seed Testing Association. 1982. A Multilingual Glossary of Common Plant-Names 1. Field crops, grasses and vegetables, ed. 2. |
| Japanese Rōmaji | aka-tsumekusa | | | 2 | Walker, E. 1976. Flora of Okinawa and the southern Ryukyu Islands. |
| Japanese Rōmaji | murasaki-tsumekusa | | | 2 | Walker, E. 1976. Flora of Okinawa and the southern Ryukyu Islands. |
| Portuguese | trevo-dos-prados | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| Portuguese | trevo-violeta | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| Spanish | trébol común | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| Spanish | trébol rojo | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| Spanish | trébol violeta | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| Swedish | rödklöver | | | 2 | Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource) |
| Transcribed Chinese | hong che zhou cao | | | 2 | Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). |
| Transcribed Korean | bulgeuntokkipul | | | 2 | Mun-Chan, B. et al. 1986. A checklist of the Korean cultivated plants. Kulturpflanze 34:132. |
| Transliterated Russian | klever krasnyj | | | 2 | Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 |