WARDLAW, Alastair; GALLOWAY, Louise; ENSOLL, Andrew. Tree Fern Apical Temperatures at the Royal Botanic Garden Edinburgh. Sibbaldia: the International Journal of Botanic Garden Horticulture, [S. l.], n. 3, p. 17–26, 2005. DOI: 10.24823/Sibbaldia.2005.108. Disponível em: https://journals.rbge.org.uk/rbgesib/article/view/108. Acesso em: 10 apr. 2025.