Brachypodium distachyon

Brachypodium distachyon_annual falsebrome_ JM Di Tomaso
Photo: Joseph DiTomaso

Synonyms: Bromus distachya (L.) Link., Trachynia distachya (L.) Link

Common names: annual false-brome; false brome; purple false brome; stiff brome

Brachypodium distachyon (annual false-brome, false-brome, purple false-brome) is a winter annual grass (family Poaceae) that is locally abundant in certain areas of California, especially those with rocky soils.

Cal-IPC Rating: Moderate?

CDFA Rating: None?


Plant Assessment Form - Information gathered by Cal-IPC on the impacts, rate of spread, and distribution of invasive plants in California. Does not include management information.

Species ID Card

Invasive Species ID Card - To support field identification of early detection species, Cal-IPC has designed a set of Species ID cards that can be downloaded, printed double-sided, and trimmed to size.

Weed Management Notes

  • Management Notes - Information on management techniques and effectiveness from the University of California Cooperative Extension’s Weed Research & Information Center.

Cal-IPC Newsletter Articles

  • Symposium tool sampler. Schohr, Tracy; Williams, Andrea; Norelli, Nicole; Newhouser, Mark. Vol 25, Issue 3

Cal-IPC Symposium Presentations

Presentations are linked where available. Where a presentation is not available, find more information by reading the abstract in the Cal-IPC Symposia Archive.

Other Brachypodium distachyon Information

  • CalPhotos - Images of plants taken mostly in California.
  • Calflora - Distribution map and records of this species in California.
  • CalWeedMapper - Distribution map of this species in California with ability to determine regional priorities.
  • EDDMapS - Distribution of this species in North America.
  • Jepson Interchange - Information on this plant's taxonomy, biology, and distribution from UC Berkeley's Jepson Herbarium.
  • USDA PLANTS Database - Information on identification and distribution, with links to websites in individual states.
  • Additional photos

    Brachypodium distachyon (annual false-brome) growth habit. Photo: Ron Vanderhoff
    Brachypodium distachyon (annual false-brome) inflorescence. Photo: Ron Vanderhoff
    Brachypodium distachyon_spikelet_Ron Vanderhoff_cropped
    Brachypodium distachyon (annual false-brome) spikelet. Photo: Ron Vanderhoff