Verbatim text: Campbell, J.J.N. 2002. Notes on North American Elymus species (Poaceae) with paired spikelets: II. The interruptus group. J. Kentucky Acad. Sci. 62:19-38
Author: Campbell, J.J.N.
Year: 2002
Title: Notes on North American Elymus species (Poaceae) with paired spikelets: II. The interruptus group
Journal: J. Kentucky Acad. Sci
Volume: 62
Pages: 19–38