| English | goatweed | | | 1 | Parsons, W. T. & E. G. Cuthbertson. 1992. Noxious weeds of Australia Inkata Press, Melbourne, Australia. |
| English | Klamathweed | | | 1 | 1961. Webster's third new international dictionary. |
| English | perforate St. John's-wort | | | 1 | Botanical Society of the British Isles. BSBI taxon database (on-line resource). |
| English | racecourseweed | | | 1 | Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource). |
| English | St. John's-wort | | | 1 | Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL. |
| English | Tiptonweed | | | 1 | Henderson, L. 2001. Alien weeds and invasive plants: a complete guide to declared weeds and invaders in South Africa. Plant Protection Research Institute, Handbook 12 |
| Afrikaans | Johanneskruid | | | 2 | Henderson, L. 2001. Alien weeds and invasive plants: a complete guide to declared weeds and invaders in South Africa. Plant Protection Research Institute, Handbook 12 |
| English (Canada) | St. John’s-wort | | Agriculture & Agri-Food Canada official name | 2 | Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 174-175. |
| French (Canada) | millepertuis commun | | Agriculture & Agroalimentaire Canada nom officiel | 2 | Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 174-175. |
| German | Tüpfel-Hartheu | | | 2 | Erhardt, W. et al. 2008. Der große Zander: Enzyklopädie der Pflanzennamen 1475. |
| German | Tüpfel-Johanniskraut | | | 2 | Erhardt, W. et al. 2008. Der große Zander: Enzyklopädie der Pflanzennamen 1475. |
| Swedish | äkta johannesört | | | 2 | Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource) |
| Transcribed Chinese | guan ye lian qiao | | | 2 | Chinese Academy of Sciences. 1959-. Flora reipublicae popularis sinicae. |
| Transliterated Russian | zveroboj obyknovenny | | | 2 | Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 |