MCNAMARA, William A. Quarryhill Botanical Garden. Sibbaldia: the International Journal of Botanic Garden Horticulture, [S. l.], n. 11, p. 15–24, 2013. DOI: 10.24823/Sibbaldia.2013.48. Disponível em: https://journals.rbge.org.uk/rbgesib/article/view/48. Acesso em: 7 apr. 2025.