Small shrub located at wetland edge differentiated from other Ilex by presence of axial fruits, non-shiny upper leaf surfaces.
Identified by light toothing on leaf and a small red berries attached via short pedicles. Confirmed via Google Images and Smith's Key
Or perhaps an Ilex.
Ilex verticillata, the winterberry, is a species of holly native to eastern North America in the United States and southeast Canada, from Newfoundland west to Ontario and Minnesota, and south to Alabama.