Verbatim text: McCully, M. E. and H. M. Dale. 1961. Heterophylly in Hippuris, a problem in identification. Canad. J. Bot. 39: 1099–1116.
Author: McCully, M.E., Dale, H.M.
Year: 1961
Title: Heterophylly in Hippuris, a problem in identification
Journal: Canad. J. Bot
Volume: 39
Pages: 1099–1116