Agriculture & Horticulture Development Board (United Kingdom).
University of Alaska - Anchorage. Alaska Center for Conservation Science.
Alberta Invasive Species Council.
See also: Invasive Plant Mapping with EDDMapS Alberta
Baltic Marine Environment Protection Commission - Helsinki Commission (HELCOM).
Amphibian and Reptile Conservation (United Kingdom). National Amphibian and Reptile Recording Scheme.
Japan Ministry of the Environment.
International Council for the Exploration of the Sea.
See also: Alien Species Alert for more information
Polska Akademia Nauk (Polish Academy of Sciences). Instytut Ochrony Przyrody (Institute of Nature Conservation).
Cornell Laboratory of Ornithology.
Note: Nesting Behavior
European Food Safety Authority.
World Organisation for Animal Health.
Queensland Department of Agriculture and Fisheries (Australia).
New York State Department of Environmental Conservation.
Cornell University (New York). New York State Agricultural Experiment Station.
Cornell University. Cooperative Extension of Suffolk County. Horticulture Diagnostic Laboratory.
See also: Tree and Shrub Disease for more fact sheets.