Verbatim text: Drummond, J. R. and J. Hutchinson. 1920. A revision of Isopyrum (Ranunculaceae) and its nearer allies. Bull. Misc. Inform. Kew 1920: 145-169.
Author: Drummond, J.R., Hutchinson, J.
Year: 1920
Title: A revision of Isopyrum (Ranunculaceae) and its nearer allies
Journal: Bull. Misc. Inform. Kew
Volume: 1920
Pages: 145–169