*Bromus catharticus

Family Poaceae

Prairie Grass

Densly tufted, robust annual or short lived perennial grass to 1 m high, with erect or spreading stems. Longevity 1 - 2 years.

Flowers: Spring, wind pollinated.

Fruit: Dry, one-seeded, indehiscent fruit.

Seed: Locally dispersed.

Gallery images: seed, seedling, rootstock, resprout


  • Native of America, Asia and Africa.
  • Weed of disturbed areas, roadsides, pastures and grasslands.
  • Occasional, minor, localised weed in grassland at the Australian Botanic Garden.
  • C3 cool season metabolism.

Asterisk * indicates exotic species naturalised at the Australian Botanic Garden.

Ecology of Cumberland Plain Woodland

Bromus catharticus flower