Reference:Culwell1970a
Revision as of 22:40, 26 July 2019 by Unknown user (talk)
Verbatim text: Culwell, D. E. 1970. A Taxonomic Study of the Section Hypericum in the Eastern United States. Ph.D. dissertation. University of North Carolina.
Author: Culwell, D.E.
Year: 1970
Title: A Taxonomic Study of the Section Hypericum in the Eastern United States