Ballantyne, G. H. “Roses of Great Britain and Ireland: B.S.B.I. Handbook No. 7. G. G. Graham and A. L. Primavesi; Illustrated by Margaret Gold; Distribution Maps Prepared by the Biological Records Centre, Institute of Terrestrial Ecology”. Edinburgh Journal of Botany 51, no. 1 (April 26, 2010): 127–127. Accessed September 15, 2026. https://journals.rbge.org.uk/ejb/article/view/583.