Bromus madritensis is a species of brome grass known by the common name compact brome. The specific epithet madritensis refers to Madrid, Spain. It has a diploid number of 28.
There are two subspecies:
Bromus madritensis subsp. madritensis: panicles less dense, stem and leaf sheath less hairy
Bromus madritensis subsp. rubens (syn. Bromus rubens) – foxtail brome, foxtail chess, red brome: dense panicles and slightly hairy stems
Bromus madritensis is an winter annual grass, growing solitary or tufted, ...