European Waterclover Marsilea quadrifolia LinnaeusNon-native  -  Invasive    Synonyms: European Water Fern.
Kingdom Plantae   >   Division Pteridophyta   >   Class Polypodiopsida   >   Order Salviniales   >   Family Marsileaceae   >   Genus Marsilea   

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European Waterclover along the Charles River in Dedham, Massachusetts (6/30/2010). Photo by Tom Palmer. (MBP list)

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MBP marks as "Invasive" any taxon listed in the Maryland Invasive Species Council (MISC) list of Invasive Species of Concern in Maryland. You can read their criteria and review the lists here: