Invasion

Invasion Description

1st record: Swann's Point/VA/James River

Geographic Extent

VA/York River (Gillett and Schaffner 2009); Swann's Point/VA/James River (Chesapeake Bay Program 2001); VA/Pamunkey River (Chesapeake Bay Program 2001); Penknife Point/MD/Nanticoke River (Chesapeake Bay Program 2001); Route 301 Bridge/MD/Potomac River (Chesapeake Bay Program 2001); Hog Island/NJ/Mullica River (Angradi et al. 2001); Secaucus/NJ/Riverbend marsh, Hackensack Meadowlands (Meadowlands Environmental Research Institute 2004, http://merilibrary.njmeadowlands.gov/dbtw-wpd/FullText/ML-04-12/Report.pdf); Tappan Zee Bridge/NY/Hudson River (2006,-2009, New York State Department of Transportation 2012)