Bean, W. J. (1981). Trees and shrubs hardy in Great Britain, 7th édition. Murray, London. [2]
bordehill.co.uk
Harrison, H. (2012). Plant hunting for Borde Hill. The Plantsman, June 2012, p.93. [3]
efloras.org
Tang, Y., Gilbert, M. G., & Dorr, L. J. Tiliaceae, in Wu, Z. & Raven, P. (eds) (2007). Flora of China, Vol. 12. Science Press, Beijing, and Missouri Botanical Garden Press, St. Louis, USA. [1]
