Bulgarian: Гладколистна румянка sources: Andreev, N., Ančev, M., Kožuharov, S. I., Markova, M., Peev, D. & Petrova, A. - Opredelitel na visšite rastenija v Bălgarija Nauka i izkustvo Sofija 1992.
Dutch: Stijf havikskruid sources: Meijden, R. van der - Heukels' Flora van Nederland, Ed. 21 Groningen 1990.
Estonian: Sile hunditubakas sources: - Flora of the Baltic Countries 3 Tartu 2003.
French: Epervière lisse; Épervière lisse sources: Aeschimann, D. & Heitz, C. - Index synonymique de la flore de Suisse et territoires limitrophes (ISFS) Genève 1996.;Tela Botanica, Le réseau de la botanique francophone - http://www.tela-botanica.org/ 2006, March.
German: Glattes Habichtskraut sources: - Synonymie-Index der Schweizer Flora und der angenzenden Gebiete 1996.
Italian: Sparviere allungato sources: - Indice sinonimico della Flora della Svizzera e territori limitrofi 1996.
Latvian: Gludā mauraga sources: - Flora of the Baltic Countries 3 Tartu 2003.
Lithuanian: Gausialapė vanagė sources: - Flora of the Baltic Countries 3 Tartu 2003.
Norwegian Bokmål: stivsvever
Norwegian Nynorsk: stivsvæver
Polish: Jastrzębiec gładki sources: Mirek, Z., Piękoś-Mirkova, H., Zając, A. & Zając, M. (2002) - Flowering plants and pteridophytes of Poland. A Checklist. - Biodiversity Poland 1.
Slovene: Gladka škržolica sources: Trpin, D. & Vreš, B. - Register flore Slovenije. Praprotnice in cvetnice Ljubljana 1995.
Slovenian: Gladka škržolica sources: Trpin, D. & Vreš, B. - Register flore Slovenije. Praprotnice in cvetnice Ljubljana 1995.
Ukraine: Нечуйвiтер гладенький sources: - Opredelitel’ vysših rastenij Ukrainy 1999.
2008-01-09 by Greuter, W. (2006+): Compositae (pro parte majore). – In: Greuter, W. & Raab-Straube, E. von (ed.): Compositae. Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.