Verbatim text: Bradford, J. L. and D. L. Marsh. 1977. Comparative studies of the witch hazels Hamamelis virginiana and H. vernalis. Proc. Arkansas Acad. Sci. 31: 29-31.
Author: Bradford, J.L., Marsh, D.L.
Year: 1977
Title: Comparative studies of the witch hazels Hamamelis virginiana and H. vernalis
Journal: Proc. Arkansas Acad. Sci
Volume: 31
Pages: 29–31