Source: California Invasive Plant Council


URL of this page: http://www.cal-ipc.org/ip/management/plant_profiles/Bromus_diandrus.php
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Bromus diandrus (ripgut brome)

Bromus diandrus
Bromus diandrus
Photo courtesy Joseph DiTomaso

Bromus diandrus (ripgut brome) is an annual grass (family Poaceae) found throughout California and other western states. Ripgut brome is one of several European annual grasses that have displaced much of the native grass throughout California. Ripgut brome becomes very dry and flammable during the dry season, increasing wildfire frequency. Increased wildfire frequency leads to conversion of shrubland and woodland to grassland. Ripgut brome is reported to hybridize with two other invasive grasses: downy brome (Bromus tectorum) and red brome (Bromus madritensis). Brome seeds may spread great distances via water and soil movement and by clinging to animals and people.

Cal-IPC Inventory rating: Moderate

Cal-IPC Resources on Bromus diandrus

Cal-IPC News Articles

  • None for this species.

Cal-IPC Symposium Proceedings

  • Emam, T., B. Pavlik, et al. (2008). Soil biota facilitate invasion within microhabitats in a California coastal prairie. California Invasive Plant Council Symposium 2008. Chico, CA, California Invasive Plant Council.
  • Clifford, P., A. J. Pickart, et al. (2005). Invasive annual grasses in a coastal dune ecosystem. California Invasive Plant Council Symposium 2005. Chico, California, CA.
  • Clines, J., J. DiTomaso, et al. (2004). Fire working group. California Invasive Plant Council Symposium 2004. Ventura, CA.
  • Clines, J., J. DiTomaso, et al. (2004). Grasses working group. California Invasive Plant Council Symposium 2004. Ventura, CA.
  • Corbin, J. D., M. Thomsen, et al. (2004). Out of the frying pan: Invasion of exotic perennial grasses in coastal prairies. California Invasive Plant Council Symposium 2004. Ventura, CA.
  • DiTomaso, J. (2003). Fire: Prescribed burning as a management tool. California Invasive Plant Council Symposium 2003. Kings Beach, CA.
  • DiTomaso, J. M. (2005). Efficacy and safety of new herbicides on the horizon. California Invasive Plant Council Symposium 2005. Chico, CA.
  • Giessow, J. and P. Zedler (1996). The effects of fire frequency and firebreaks on the abundance and species richness of exotic plant species in coastal sage scrub. California Exotic Pest Plant Council Symposium '96. San Diego, CA.
  • Hastings, M. S. and J. M. DiTomaso (1996). Fire controls yellow starthistle (Centaurea solstitalis) in California grasslands. California Exotic Pest Plant Council Symposium '96. San Diego, CA.
  • Hillman, J. M. (1999). Potentially allelopathic effects of poison hemlock (Conium maculatum) on native plant revegetation at Wilder Ranch State Park. California Exotic Pest Plant Council Symposium '99. Sacramento, CA.
  • Hulvey, K. and E. Zavaleta (2006). The effect of native forb abundance on invasion resistance in California grasslands. Cal-IPC Symposium. Rohnert Park, CA.
  • Maher, E. and E. Stanton (2005). Blurring edges: A test of weed control methods used along edges of sage scrub patches to encourage shrub colonization into abandoned agricultural fields. California Invasive Plant Council Symposium 2005. Chico, CA.
  • Minnich, R. A. (1994). Effects of exotic plants on three California ecosystems. California Exotic Pest Plant Symposium '94. Sacramento, CA.
  • Minnich, R. A. (2004). California’s fading wildflower legacy. California Invasive Plant Council Symposium 2004. Ventura, CA.
  • Pickart, A. (2003). A decade of dune restoration at the Lanphere Dunes. California Invasive Plant Council Symposium 2003. Kings Beach, CA.
  • Sanders, A. C. (1998). Invasive exotics in California: A perspective from inland Southern California. California Exotic Pest Plant Council Symposium '98. Ontario, CA.
  • Uschyk, K. L. and P. Slattery (2000). The use of native yellow lupines for controlling ripgut brome and radish. California Exotic Pest Plant Council Symposium 2000. Concord, CA.
  • White, V. A. and J. S. Holt (2001). Emergence and development of Cynara cardunculus: Developing seedling removal strategies for an invasive weed. California Exotic Pest Plant Council Symposium 2001. San Diego, CA.
  • White, V. A. and J. S. Holt (2002). Effect of competition on artichoke thistle, Cynara cardunculus. California Exotic Pest Plant Council Symposium 2002. Sacramento, California, CA.
  • Wills, R. (1993). The effects of fire on introduced annual grasses. California Exotic Pest Plant Symposium '93. Westlake Village, CA.
  • Young, J. A. and R. R. Blank (1995). Cheatgrass and wildfires in the intermountain west. California Exotic Pest Plant Council Symposium '95. J. Lovich, J. Randall and M. Kelly. Pacific Grove, CA.

Other Resources on Bromus diandrus


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