DAVID, Rae. Introduction. Sibbaldia: the International Journal of Botanic Garden Horticulture, [S. l.], n. 8, p. 1–3, 2010. DOI: 10.24823/Sibbaldia.2010.132. Disponível em: https://journals.rbge.org.uk/rbgesib/article/view/132. Acesso em: 4 jul. 2025.