RAE, David. Introduction. Sibbaldia: the International Journal of Botanic Garden Horticulture, [S. l.], n. 6, p. 1–3, 2008. DOI: 10.24823/Sibbaldia.2008.31. Disponível em: https://journals.rbge.org.uk/rbgesib/article/view/31. Acesso em: 30 may. 2025.