Culms (3)10-70 cm. Panicles (3)5-10 cm, usually with more than 1 spikelet. Lemmas (7)8-11 mm, usually pilose or
pubescent, margins bluntly angled; awns
more than 0.1 mm wide at the base, straight, erect. Caryopses shorter than the paleas.
Bromus hordeaceus subsp. hordeaceus grows throughout the range of
the species, being most prevalent in southwestern British Columbia, the western
United States, and the northeastern coast.