CLUGSTON, James. Data Capture and Taxonomic Determination of Cycadales at the Royal Botanic Garden Edinburgh. Sibbaldia: the International Journal of Botanic Garden Horticulture, [S. l.], n. 8, p. 11–30, 2010. DOI: 10.24823/Sibbaldia.2010.134. Disponível em: https://journals.rbge.org.uk/rbgesib/article/view/134. Acesso em: 7 apr. 2025.