Paspalum vaginatum

Paspalum vaginatum_seashore paspalum_Ron Vanderhoff_cropped
Photo: Ron Vanderhoff

Common names: seashore Paspalum

Paspalum vaginatum (seashore Paspalum) is a perennial grass (family Poaceae) that can grow to approximately 20 inches tall and is found in the Sonoran Desert and south coast ranges of California. It is native to southeastern North America, other parts of tropical Central and South America and Africa. It favors dunes and bog and marsh habitat. It reproduces vegetatively via sod, containerized material and rhizomes. Its seeds are rarely viable. It spreads via agricultural activities, animal grazing and water.

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 vaginatum 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 vaginatum_florets_RonVanderhoff
    Paspalum vaginatum (seashore Paspalum) florets. Photo: Ron Vanderhoff
    Paspalum vaginatum_ligule and leaf blade_RonVanderhoff
    Paspalum vaginatum (seashore Paspalum) ligule and leaf blade. Photo: Ron Vanderhoff
    Paspalum vaginatum_growth habit_RonVanderhoff
    Paspalum vaginatum (seashore Paspalum) growth habit. Photo: Ron Vanderhoff
    Paspalum vaginatum_infestation_RonVanderhoff
    Paspalum vaginatum (seashore Paspalum) infestation. Photo: Ron Vanderhoff