RAE, David. Botanic Garden Horticulturists :: A Threatened Species?. Sibbaldia: the International Journal of Botanic Garden Horticulture, [S. l.], n. 11, p. 5–14, 2013. DOI: 10.24823/Sibbaldia.2013.47. Disponível em: https://journals.rbge.org.uk/rbgesib/article/view/47. Acesso em: 10 apr. 2025.