Source: California Invasive Plant Council

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Piptatherum miliaceum (smilograss)

Piptatherum miliaceum
Piptatherum miliaceum
Photo courtesy Joseph DiTomaso

Piptatherum miliaceum (smilograss) is a tufted perennial grass (family Poaceae) that thrives in dry or moist sites in disturbed areas, along roadsides and ditches. It can be found scattered along California's coast and central valley and appears to be increasing in riparian areas and canyons, especially in southern California.

Jepson Manual, 2nd Edition: Stipa miliacea var. miliacea

Cal-IPC Inventory rating: Limited

Cal-IPC Resources on Piptatherum miliaceum

Cal-IPC News Articles

  • DiTomaso, J. (2006). New weed alerts! Cal-IPC News. 13: 4-5.
  • Owen, K. (2004). An island called Santa Cruz: Removing invasives on the Channel Islands. Cal-IPC News. 12: 4-5,13.

Cal-IPC Symposium Proceedings

  • Clines, J., J. DiTomaso, et al. (2004). Grasses working group. California Invasive Plant Council Symposium 2004. Ventura, CA.
  • DiTomaso, J. M. (2005). 2005 Cal-IPC weed alerts, new invasions, recent expansions, and a few others to be on the look-out forů. California Invasive Plant Council Symposium 2005. Chico, CA.
  • Dudly, T. (2003). Riparian invaders: A multi-species approach. California Invasive Plant Council Symposium 2003. Kings Beach, CA.
  • Thomsen, C. D., W. A. Williams, et al. (1996). Yellow starthistle management with grazing, mowing, and competitive plantings. California Exotic Pest Plant Council Symposium '96. San Diego, CA.

Other Resources on Piptatherum miliaceum

  • USDA PLANTS database - Federal database with information on identification and distribution, and links to websites in individual states.
  • Jepson Online Interchange for California Flora - Information on taxonomy, biology, and distribution from the UC Berkeley Jepson Herbarium.
  • CalFlora - Distribution information by county based on submitted observations and herbarium specimens.
  • CalPhotos - Images of plants taken mostly in California.