Cenchrus longispinus

Cenchrus longispinus_longspine sandbur_JM DiTomaso

Common names: mat sandbur

Cenchrus longispinus (mat sandbur) is an annual grass (family Poaceae) that can grow up to 2 feet tall and is found in the Central Valley, Modoc Plateau area, and the south coast and desert ranges of California. It is native to the central and eastern United States. It favors grasslands and dunes. It reproduces by seeds which disperse by clinging to animals, shoes, clothing, machinery and floating on water.

Cal-IPC Rating: Watch

CDFA Rating: B*?


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

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

There are no newsletter articles associated with this species yet.

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.

There are no Symposium presentations associated with this species yet.

Other Cenchrus longispinus 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

    Cenchrus longispinus_leaf base and stem_RonVanderhoff
    Cenchrus longispinus (mat sandbur) leaf base and stem. Photo: Ron Vanderhoff
    Cenchrus longispinus (mat sandbur) seed head. Photo: Ron Vanderhoff