Verbatim text: Islam, M. B. and M. P. Simmons. 2006. A thorny dilemma: Testing alternative intrageneric classifications within Ziziphus (Rhamnaceae). Syst. Bot. 31: 826–842.
Author: Islam, M.B., Simmons, M.P.
Year: 2006
Title: A thorny dilemma: Testing alternative intrageneric classifications within Ziziphus (Rhamnaceae)
Journal: Syst. Bot
Volume: 31
Pages: 826–842