Ripgut Brome
Bromus rigidus Roth

Bromus rigidus, known as ripgut brome, is a grass species in the Poaceae family. It is native to regions across Europe, Asia, and Africa, and has been naturalized in North America. The species was first described in 1790 by Roth. The name rigidus refers to the plant's stiff structure.
Description
Bromus rigidus is distributed in various regions including Açores, Portugal, South Africa, Chile, Egypt, Belgium, France, the Netherlands, Great Britain, Mexico, Austria, Thailand, Argentina, the Czech Republic, Channel Islands, Switzerland, and parts of the United Kingdom. This grass is characterized by its rigid growth habit, as indicated by its specific epithet. It is commonly referred to as ripgut brome in English.
Other common names
Ripgut Brome
Distribution
Açores · Portugal Continental · ZA · CL · EG · Belgium · France · The Netherlands · Great Britain · MX · AT · TH · AR · Azores · Czech Republic · Channel Is. · Switzerland · England · Scotland · Wales · CZ · PL · CH · AU · Table Mountain National Park · Tankwa-Karoo National Park · Jeju Island · NO · JP · Valparaíso Region |Metropolitana Region |O'Higgins Region |Biobío Region
Synonyms
Anisantha diandra subsp. rigidaAnisantha diandra var. rigidaAnisantha hispanicaAnisantha rigidaBromus diandrus subsp. maximusBromus diandrus subsp. rigidusBromus diandrus var. rigidusBromus gussonei var. rigidusBromus hispanicusBromus indicusBromus madritensisBromus madritensis var. maximusBromus madritensis var. rigidusBromus matritensisBromus megalanthusBromus nitidusBromus rigidus subsp. maximusBromus rigidus var. gracilisBromus rubensBromus rubens var. maximusBromus rubens var. rigidusBromus sterilis var. maximusBromus sterilis var. rigidusBromus villosus subsp. maximusBromus villosus subsp. rigidusBromus villosus var. maximusBromus villosus var. rigidusForasaccus maximusGenea maximaGenea rigens