Hughes, Kate, Andrew Ensoll, and Martin F. Gardner. “The Cultivation of Valdivia Gayana J. RÉMY.: A Little Known Herb from Southern Chile”. Sibbaldia: the International Journal of Botanic Garden Horticulture, no. 12 (October 29, 2014): 57–66. Accessed May 22, 2025. https://journals.rbge.org.uk/rbgesib/article/view/23.