Marsh Pennywort

Scientific Name: Hydrocotyle umbellata 

Distinguishing Characteristics:
•Each stem has a single terminal leaf that is nearly round with shallow cleft; about the size of a half-dollar; similar to terrestrial dollarweed.
•Stem attaches to center of leaf. 
•Usually found growing along shoreline in moist soil or very shallow water; can also form floating mat of tangled stems that are erect on terminal end similar to Myriophyllum aquaticum.