| European water-clover | USDA PLANTS Symbol: MAQU U.S. Nativity: Exotic Habit: Aquatic Plants Forbs/Herbs | 
| Marsilea quadrifolia L. | 
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| Taxonomic Rank: Filicopsida: Hydropteridales: Marsileaceae | 
| Synonym(s): European waterclover | 
| Native Range: Europe and Asia (BAIL); | 
| Selected Images from Invasive.org | View All Images at Invasive.org | 
|  Foliage; Leslie J. Mehrhoff, University of Connecticut, Bugwood.org Additional Resolutions & Image Usage |  Plant(s); Chris Evans, University of Illinois, Bugwood.org Additional Resolutions & Image Usage |  Plant(s); Leslie J. Mehrhoff, University of Connecticut, Bugwood.org Additional Resolutions & Image Usage |  Root(s); Leslie J. Mehrhoff, University of Connecticut, 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.   | 
| Invasive Listing Sources: | 
| Connecticut Invasive Plant Working Group | 
| WeedUS - Database of Plants Invading Natural Areas in the United States | 










