Grasses of the Southwest :plates and descriptions of the grasses of the desert region of western Texas, New Mexico, Arizona, and southern California - Vasey, George, (Washington, Govt. print. off, 1890-91)
https://www.biodiversitylibrary.org/bibliography/46893
Keywords: Forage|Forage plants|Gramineae|Gramineae and forage plants|Grasses|Pacific States|Southwestern States|