| English | boneset | | | 1 | Liberty Hyde Bailey Hortorium. 1976. Hortus third. A concise dictionary of plants cultivated in the United States and Canada |
| English | comfrey | | | 1 | Markle, G. M. et al., eds. 1998. Food and feed crops of the United States, ed. 2 |
| English | common comfrey | | | 1 | Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL. |
| English | consound | | | 1 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| English | healingherb | | | 1 | Liberty Hyde Bailey Hortorium. 1976. Hortus third. A concise dictionary of plants cultivated in the United States and Canada |
| English | knitbone | | | 1 | Bennett, M. 2003. Pulmonarias and the Borage family 181-182. |
| English | slippery-root | | | 1 | Bennett, M. 2003. Pulmonarias and the Borage family 181-182. |
| English (Canada) | comfrey | | Agriculture & Agri-Food Canada official name | 2 | Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 202. |
| French | consoude officinale | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| French | grande consoude | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| French (Canada) | consoude officinale | | Agriculture & Agroalimentaire Canada nom officiel | 2 | Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 202. |
| German | echter Beinwell | | | 2 | Bennett, M. 2003. Pulmonarias and the Borage family 181-182. |
| German | gemeiner Beinwell | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| German | gewöhnlicher Beinwell | | | 2 | Erhardt, W. et al. 2008. Der große Zander: Enzyklopädie der Pflanzennamen |
| Italian | consolda maggiore | | | 2 | Pignatti, S. 1982. Flora d'Italia. |
| Portuguese | consolda-maior | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| Spanish | consuelda | | | 2 | Bennett, M. 2003. Pulmonarias and the Borage family 181-182. |
| Spanish | consuelda mayor | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| Swedish | äkta vallört | | | 2 | Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource) |
| Transliterated Russian | okopnik lekarstvennyi | | | 2 | Bennett, M. 2003. Pulmonarias and the Borage family 181-182. |