Elymus longifolius
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Poaceae
- genus: Elymus
- species: Elymus longifolius
Pachuca de Soto
Tlanalapa
HidalgoSan Francisco Zacacalco
MรฉxicoPinos
Zacatecas
MexicoTucson
ArizonaCampo
San Diego Country Estates
CaliforniaMountain Home
IdahoAztec
New MexicoAlpine
TexasToppenish
Washington
United States