@article {37331, title = {Non-Indigenous Aquatic Species}, year = {2013}, note = {A great resource, but slow to update. Can search by species name, common name, state, even down to the watershed area. Color photographs.}, chapter = {2013, Jul.7}, keywords = {introduced species}, url = {https://nas.er.usgs.gov/}, author = {U.S. Geological Survey,} }