Aegilops cylindrica

Aegilops cylindrica_C171-02
Photo: UC Davis Weeds of California

Common names: jointed goatgrass

Aegilops cylindrica (jointed goatgrass) is an annual grass (family Poaceae) with joints similar to wheat that can grow up to 4 feet tall and is found in the Cascade ranges, Modoc Plateau, Sacramento Valley and San Bernardino and peninsular ranges of southern California. It is native to Mediterranean Europe and western Asia. It favors grasslands. It spreads via agricultural and human activities, wind and water. Joints and seeds will attach to clothing, fur and feathers.

Cal-IPC Rating: Watch

CDFA Rating: -*?


Plant Risk Assessment - An evaluation of the potential for a plant to be invasive in California.

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

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 Aegilops cylindrica 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

    Aegilops cylindrica_fruits_copyright2001_FredHrusa(CDFA)
    Aegilops cylindrica (jointed goatgrass) fruits. Photo: &#169 2001 Fred Hrusa, CDFA
    Aegilops cylindrica_growth habit_copyright2001_DeanKelch(CDFA)
    Aegilops cylindrica (jointed goatgrass) growth habit. Photo: &#169 2001 Dean Kelch, CDFA