Vega, M., Hernández, M., Herrera-Cabrera, B.E. & Wegier, A.: Vanilla planifoliaIUCN Red List of Threatened Species. Version 2019.2. 2017. International Union for Conservation of Nature, IUCN, Iucnredlist.org. Viitattu 29.7.2019. (englanniksi)
Vanilla growing regions (...Madagascar is the world's primary growing region, cured vanilla beans are produced in the Comoros Islands, French Polynesia, Guatemala, India, Indonesia, Mexico, Sri Lanka, Tonga and Uganda.) 7.1.2008. The Rodell Company. Arkistoitu 10.6.2008.
Vanilla growing regions (...Madagascar is the world's primary growing region, cured vanilla beans are produced in the Comoros Islands, French Polynesia, Guatemala, India, Indonesia, Mexico, Sri Lanka, Tonga and Uganda.) 7.1.2008. The Rodell Company. Arkistoitu 10.6.2008.