Blue Wildrye, Giant Wildrye, Great Basin Lymegrass: Leymus cinereus (Synonyms: Aneurolepidum piperi, Elymus cinereus, Elymus cinereus var. cinereus, Elymus cinereus var. pubens, Elymus condensatus, Elymus condensatus var. condensatus, Elymus condensatus var. pubens, Elymus piperi)
Sand Wildrye, Yellow Wildrye: Leymus flavescens: (Synonyms: Elymus arenicola, Elymus flavescens, Leymus arenicola)
Beardless Wildrye, Creeping Wildrye: Leymus triticoides (Synonyms: Elymus triticoides, Elymus triticoides var. pubescens, Elymus triticoides var. triticoides)
Vancouver Wildrye: Leymus xvancouverensis (Synonym: Elymus vancouverensis)