RAE, David. Introduction. Sibbaldia: the International Journal of Botanic Garden Horticulture, [S. l.], n. 7, p. 1–3, 2009. DOI: 10.24823/Sibbaldia.2009.147. Disponível em: https://journals.rbge.org.uk/rbgesib/article/view/147. Acesso em: 16 jun. 2025.