Common names: wild oats
Avena fatua (wild oat) is a winter annual grass (family Poaceae) that is a common agricultural weed. It grows in most grassland sites within the state, particularly in sandy/poor soils, often on the road verges. It is one of the annual grasses that was introduced as a forage species and has replaced the native perennial grasses.Cal-IPC Rating: Moderate
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
There are no newsletter articles associated with this species yet.
Cal-IPC Symposium Presentations
- Carey, C. and S. C. Hart (2011). Alteration of nitrogen cycling processes by exotic annuals in a California grassland. Cal-IPC 2011 Symposium. Tahoe City, CA, California Invasive Plant Council.
- Minnich, R. A. (2004). Californias fading wildflower legacy. California Invasive Plant Council Symposium 2004. Ventura, CA.
- Marler, M. J. and R. M. Callaway (2000). Role of mycorrhizae in Centaurea invasions. California Exotic Pest Plant Council Symposium 2000. 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.
- Minnich, R. A. (1994). Effects of exotic plants on three California ecosystems. California Exotic Pest Plant Symposium '94. Sacramento, CA.
Other Avena fatua 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.