Reference:Dennis1976a
Revision as of 19:04, 26 July 2019 by Unknown user (talk)
Verbatim text: Dennis, W. M. 1976. A Biosystematic Study of Clematis Section Viorna Subsection Viornae. Ph.D. dissertation. University of Tennessee.
Author: Dennis, W.M.
Year: 1976
Title: A Biosystematic Study of Clematis Section Viorna Subsection Viornae