Barataria Terrebonne National Estuary Program.
Long Island Invasive Species Management Area.
Massachusetts Invasive Plant Advisory Group.
. Cooperative Agricultural Pest Survey (CAPS). National Agricultural Pest Information System (NAPIS).
Provides State pest detection contacts, recent state exotic pest news, links to state pest resources, and a list of state CAPS survey targets.
Plant California Alliance.
. National Park Service; NatureServe. Explore Natural Communities.