Verbatim text: Hickok, L. G. and E. J. Klekowski Jr. 1974. Inchoate speciation in Ceratopteris: An analysis of the synthesized hybrid C. richardii × C. pteridoides. Evolution 28: 439--446.
Author: Hickok, L.G., Klekowski, E.J.
Year: 1974
Title: Inchoate speciation in Ceratopteris: An analysis of the synthesized hybrid C. richardii × C. pteridoides
Journal: Evolution
Volume: 28
Pages: 439–446