Reference:Eckenwalder1986a
Verbatim text: Eckenwalder, J. E. and S. C. H. Barrett. 1986. Phylogenetic systematics of Pontederiaceae. Syst. Bot. 11: 373–391.
Author: Eckenwalder, J.E., Barrett, S.C.H.
Year: 1986
Title: Phylogenetic systematics of Pontederiaceae
Journal: Syst. Bot
Volume: 11
Pages: 373–391