| Malta starthistle | USDA PLANTS Symbol: CEME2 U.S. Nativity: Exotic Habit: Forbs/Herbs | 
| Centaurea melitensis L. | 
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| Taxonomic Rank: Magnoliopsida: Asterales: Asteraceae | |
| Synonym(s): Maltese star-thistle, Malta starthistle, Maltese star thistle, Napa thistle, spotted knapweed, tocalote | |
| Native Range: Afrcia, Europe (GRIN); | |
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| Identification, Biology, Control and Management Resources 
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| Selected Images from Invasive.org | View All Images at Invasive.org | 
|  Plant(s); Habit Forest and Kim Starr, Starr Environmental, Bugwood.org Additional Resolutions & Image Usage |  Flower(s); John M. Randall, The Nature Conservancy, Bugwood.org Additional Resolutions & Image Usage |  Flower(s); A flower John M. Randall, The Nature Conservancy, Bugwood.org Additional Resolutions & Image Usage |  Feature(s); buds and flower head Joseph M. DiTomaso, University of California - Davis, Bugwood.org Additional Resolutions & Image Usage | 
|  Flower(s); post senescence Joseph M. DiTomaso, University of California - Davis, Bugwood.org Additional Resolutions & Image Usage |  Fruit(s); The fruit attachment scar is clearly evident when the fruit is lying flat. Note the hairs along the fruit's surface. D. Walters and C. Southwick, USDA, Bugwood.org Additional Resolutions & Image Usage |  Fruit(s); Face (left) and lateral (right) views of two fruits. D. Walters and C. Southwick, USDA, Bugwood.org Additional Resolutions & Image Usage |  Fruit(s); Looking into the center of the outer pappus whorls to see the innermost whorl covering the stylar remains. D. Walters and C. Southwick, USDA, Bugwood.org Additional Resolutions & Image Usage | 
|  Foliage; rosette Joseph M. DiTomaso, University of California - Davis, 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.   | 










