Elymus L.
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Floras and Monographs
Elymus L.: [Article] Hitchcock, Albert S. 1927. The grasses of Ecuador, Peru, and Bolivia. Contr. U. S. Natl. Herb. 24: i-xx, 291-556.
Elymus: [Book] Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.