Verbatim text: Nelson, E.N. and R.J. Tyrl. 1978. Hybridization and introgression between Elymus canadensis and Elymus virginicus. Proc. Oklahoma Acad. Sci. 58:32-34
Author: Nelson, E.N., Tyrl, R.J.
Year: 1978
Title: Hybridization and introgression between Elymus canadensis and Elymus virginicus
Journal: Proc. Oklahoma Acad. Sci
Volume: 58
Pages: 32–34