Erodium cicutarium

Erodium cicutarium_redstem filaree_JM DiTomaso
Photo courtesy Joseph DiTomaso

Common names: redstem filaree; redstem stork's bill; filaree

Erodium cicutarium (redstem filaree) is an aggressive annual/biannual (family Geraniaceae) that is very widespread throughout California and is commonly found along roadsides, grasslands, fields, and semi-desert areas. It often carpets large areas, out-competing native grasses and forbs.

Cal-IPC Rating: Limited

Cal-IPC Assessment

Plant Assessment Form - Information gathered by Cal-IPC on the impacts, rate of spread, and distribution of invasive plants in California. Does not include management information.

Weed RIC 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

Cal-IPC Symposium Presentations

  • Bell, M. D., S. J. Dickens, et al. (2010). Herbicide treatment of an invaded grassland following a prescribed fire. Cal-IPC 2010 Symposium. Ventura, CA, California Invasive Plant Council.
  • Schneider, H. and E. Allen (2009). Evening the odds: Evaluating the combined effects of nitrogen fertilization and exotic annual removal on native annual forbs in the Colorado Desert. Cal-IPC Symposium 2009. Visalia, CA, California Invasive Plant Council.
  • Minnich, R. A. (2004). California’s fading wildflower legacy. California Invasive Plant Council Symposium 2004. Ventura, CA.
  • Allen, E. B. (1998). Restoring habitats to prevent exotics. California Exotic Pest Plant Council Symposium '98. Ontario, CA.
  • Brooks, M. L. (1998). Factors affecting alien annual plant abundance at a site in the western Mojave Desert: effects of human disturbance, microhabitat and rainfall. California Exotic Pest Plant Council Symposium '98. Ontario, CA.
  • Carrithers, V. F. (1997). Using Transline* herbicide to control invasive plants. California Exotic Pest Plant Council Symposium '97. Concord, CA.
  • Devender, T. R. V., R. S. Frlger, et al. (1997). Exotic plants in the Sonoran desert region, Arizona and Sonora. California Exotic Pest Plant Council Symposium '97. Concord, CA.
  • Bauder, E. T. (1996). Exotics in the southern California bernal pool ecosystem. California Exotic Pest Plant Council Symposium '96. San Diego, CA.
  • Telllman, B. (1996). Stowaways and invited guests:How some exotic plants reached the American southwest. California Exotic Pest Plant Council Symposium. San Diego, CA.
  • Minnich, R. A. (1994). Effects of exotic plants on three California ecosystems. California Exotic Pest Plant Symposium '94. Sacramento, CA.
  • Wills, R. (1993). The effects of fire on introduced annual grasses. California Exotic Pest Plant Symposium '93. Westlake Village, CA.

Other Erodium cicutarium Information

  • CalPhotos - Images of plants taken mostly in California.
  • Calflora - See the distribution of this species on Calflora's map of California.
  • CalWeedMapper - Distribution information with ability to determine regional priorities.
  • Jepson Online Interchange for California Flora - Information on taxonomy, biology, and distribution from UC Berkeley's Jepson Herbarium.
  • USDA PLANTS Database - Federal database with information on identification and distribution, and links to websites in individual states.