FORMAN, Susan. Review and Verification of the Birch Collections at the National Botanic Gardens of Ireland. Sibbaldia: the International Journal of Botanic Garden Horticulture, [S. l.], n. 9, p. 29–43, 2011. DOI: 10.24823/Sibbaldia.2011.120. Disponível em: https://journals.rbge.org.uk/rbgesib/article/view/120. Acesso em: 7 apr. 2025.