Verbatim text: Al-Shehbaz, I. A. 1977. Protogyny in the Cruciferae. Syst. Bot. 2: 327–333.
Author: Al-Shehbaz, I.A.
Year: 1977
Title: Protogyny in the Cruciferae
Journal: Syst. Bot
Volume: 2
Pages: 327–333