Paspalum urvillei

Paspalum urvillei_S45-13
Photo: UC Davis Weeds of California

Common names: Vasey's grass

Paspalum urvillei (Vasey’s grass) is a perennial grass (family Poaceae) that can grow up to 6 feet tall found in the Central Valley and central and south coast ranges of California. It is native to South America. It favors grasslands and riparian and bottomland habitat. It spreads by seed and by rhizome. The seeds are dispersed by wind, water, animals, vehicles, machinery and in contaminated soil.

Cal-IPC Rating: Watch

CDFA Rating: None?


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

Weed Management Notes

No Weed RIC Management Notes are available for this species. Check for information on other species in the genus on the Weed RIC site.

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.

Other Paspalum urvillei 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

    Paspalum urvillei_inflorescence_copyright2006_TomCochrane
    Paspalum urvillei (Vasey's grass) inflorescence. Photo: &#169 2006 Tom Cochrane
    Paspalum urvillei_leaf_copyright2006_TomCochrane
    Paspalum urvillei (Vasey's grass) leaf. Photo: &#169 2006 Tom Cochrane
    Paspalum urvillei_growth habit_copyright2006_TomCochrane
    Paspalum urvillei (Vasey's grass) growth habit. Photo: &#169 2006 Tom Cochrane