| 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); |
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 & 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, CPHST, Bugwood.org Additional Resolutions & Image Usage |
 Fruit(s); Face (left) and lateral (right) views of two fruits. D. Walters and C. Southwick, CPHST, 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, CPHST, 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 Alternative content
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 State(s) Where Reported invasive. Based on state level agency and organization lists of invasive plants from WeedUS database. Alternative content
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| Invasive Listing Sources: |
| California Invasive Plant Council |
| Jil M. Swearingen, Survey of invasive plants occurring on National Park Service lands, 2000-2007 |
