Bromus squarrosus, the rough brome, is a brome grass native to Russia and Europe. The specific epithet squarrosus is Latin, meaning 'with spreading tips'. The grass has a diploid number of 14.
Bromus squarrosus is an annual grass, with culms growing 20–60 cm (7.9–23.6 in) high. The culms are hollow and bear four to five leaves with sheaths shorter than the blades. The leaf sheaths are pubescent and the leaf blades are typically pubescent but occasionally glabrous. The leaf blades are 5–15 cm (2.0–5.9 ...