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Sold in garden stores as an aquatic to be grown in water gardens, and likely to be encountered more widely in the future.","graphic_key_source_attributes":{"Attr0":"gr02","Attr1":"nc_cp,nc_pd,ga_pd,","Attr10":"bas","Attr2":"Water,Wet","Attr3":"Sun","Attr3a":"n","Attr3a_subregion":"native_nc_cp:n,native_nc_pd:n,native_ga_pd:n,","Attr4":" 5-1","Attr5":"raqu,terr","Attr6":"aqua,pros","Attr7":"y","Attr8":"bas","Attr9":"2blad"},"habitat_description":"Shallow water of artificial impoundments.","habitat_light_categories":["Full sun"],"habitat_moisture_categories":["Water","Wet"],"heliophily_index":9,"phenology_source_text":"Jun-Dec.","regional_wetland_indicators":[{"source_column":"WetlandStatus1","value":"OBL"},{"source_column":"WetlandStatus2","value":"OBL"},{"source_column":"WetlandStatus3","value":"OBL"},{"source_column":"WetlandStatus4","value":"OBL"}],"taxonomic_synonymy":"[= AqW, Ar, C, Can, F, FNA2, G, Il, K1, K4, Mo1, NE, NS, NY, Pa, POWO, Lin et al (2013); = n/a — RAB, Sf, Tat]"}}},"light_range":["full sun","full sun"],"light_source":"Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition","native_synthesis":{"claims":[{"basis":"atlas map status: introduced (status code 1) or native","claim":"introduced","matched_name":"Marsilea quadrifolia","scope":"AR","source":"ar_atlas_2013","url":"https://biology.uark.edu/herbarium/AtlasVascularPlantsArkansas2013_lowerres.pdf#page=67"},{"claim":"introduced","matched_name":"Marsilea quadrifolia","scope":"L48","source":"usda","text":"CAN:N L48:I","url":"https://plants.usda.gov/"},{"basis":"range text names a native range outside North America","claim":"introduced","scope":"NC-SC-GA","source":"floraquest_carolinas_georgia","text":"Native of Europe and Asia. 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