RAE, David. Introduction. Sibbaldia: the International Journal of Botanic Garden Horticulture, [S. l.], n. 2, p. 1–2, 2004. DOI: 10.24823/Sibbaldia.2004.156. Disponível em: https://journals.rbge.org.uk/rbgesib/article/view/156. Acesso em: 31 may. 2025.