It is native to Europe (the specific name madritensis refers to Madrid, Spain) but it has been widely introduced elsewhere, such as North America, where it is found in many areas.
Bromus | Bromus secalinus | Bromus inermis | Bromus (section) | Bromus madritensis | Bromus arvensis |
Introduced species of plants in the area are also a threat, including red brome (Bromus madritensis ssp. rubens), yellow starthistle (Centaurea solstitialis), and medusahead (Taeniatherum caput-medusae).