Hordeum arizonicum Covas

this illustration had its own accession number filed in the H. arizonimum folder. Perhaps showing better detail than any of my photos.

Hitchcock, A.S. (rev. A. Chase).

Description: Hordeum arizonicum from Hitchcock, A.S. (rev. A. Chase). 1950. Manual of the grasses of the United States. USDA Miscellaneous Publication No. 200. Washington, DC. 1950. Date: 1950. Source: USDA. Author: Hitchcock, A.S. (rev. A. Chase). Permission(Reusing this file): Public domainPublic domainfalsefalse. : This image is a work of the Natural Resources Conservation Service, part of the United States Department of Agriculture, taken or made as part of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain in the United States. : .