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1. The Federal Noxious Weeds Database [usda_aphis_ppqd_d_fnw]
The Federal Noxious Weeds (FNW) database contains taxonomic lists of plants listed as Federal Noxious Weeds under the Federal Noxious Weed Act of 1975. Listing is made by the U.S. Department ...


2. Iowa Department of Natural Resources Annual Roadside Survey [ia_dnr_d_roadsidesurvey]
Since 1962, the Iowa Department of Natural Resources has conducted annual roadside surveys to monitor the abundance of gray partridge and ring-necked pheasant. Data are obtained ...


3. Pacific Island Ecosystems at Risk [usda_fs_ipif_d_pier]
The Pacific Island Ecosystems at Risk is compiling a database and synthesis of available information on plants that are known or potential threats to Pacific island ecosystems, particularly the present ...


4. Alien Plant Invaders of Natural Areas: Weeds Gone Wild [nps_d_alieninvaders]
The Alien Plant Invaders of Natural Areas site provides: (1) a comprehensive national listing of alien invasive species of natural areas in the U.S. (currently around 500 species); (2) a referenced ...


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