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A synonymized checklist and atlas with biological attributes for the vascular flora of the United States, Canada, and Greenland. First edition. In: Kartesz, J.T., and C.A. Meacham. Synthesis of the North American Flora, Version 1.0. North Carolina Botanical Garden, Chapel Hill, N.C.","conceptName":"<i>Alisma plantago-aquatica</i>","taxonomicComments":"As treated by Kartesz (1994 and 1999), Eurasian or nearly so, possibly present near U.S. Pacific coast. 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