| oat | USDA PLANTS Symbol: AVSA U.S. Nativity: Exotic Habit: Grass or Grasslike Crops |
| Avena sativa L. |
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Taxonomic Rank: Liliopsida: Cyperales: Poaceae |
| Synonym(s): common oat, Common oats, oat, oatgrass (common), oats, wild oats |
| Native Range: Mediterranean region (BAIL); |
| Selected Images from Invasive.org | View All Images at Invasive.org |
 Inflorescence(s); Fruiting inflorescences. Lyndon Photography, , Bugwood.org Additional Resolutions & Image Usage |
 Stem(s); collar and sheath. Joseph M. DiTomaso, University of California - Davis, Bugwood.org Additional Resolutions & Image Usage |
 Flower(s); inflorescence. Joseph M. DiTomaso, University of California - Davis, Bugwood.org Additional Resolutions & Image Usage |
 Inflorescence(s); Fruiting inflorescences, dyed green. Indira Singh, USDA APHIS PPQ, Bugwood.org Additional Resolutions & Image Usage |
 Seed(s); Common oat seeds during a seed quality inspection exercise. Reference dot equal 3 mm diam. Howard F. Schwartz, Colorado State University, Bugwood.org Additional Resolutions & Image Usage |
 Inflorescence(s); Fruiting inflorescences with leaves. Indira Singh, USDA APHIS PPQ, Bugwood.org Additional Resolutions & Image Usage |
| EDDMapS Distribution: This map is incomplete and is based only on current site and county level reports made by experts and records obtained from USDA Plants Database. For more information, visit www.eddmaps.org |
 State List This map identifies those states that list this species on their invasive species list or law. 
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| U.S. National Parks where reported invasive: |
| Haleakala National Park (Hawaii) |
| Invasive Listing Sources: |
