ENSOLL, Andrew; HUGHES, Kate. Cultivation and Hardiness Notes for Blechnum cycadifolium. Sibbaldia: the International Journal of Botanic Garden Horticulture, [S. l.], n. 5, p. 87–92, 2007. DOI: 10.24823/Sibbaldia.2007.9. Disponível em: https://journals.rbge.org.uk/rbgesib/article/view/9. Acesso em: 18 jul. 2024.