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U.S. Department of Agriculture
National Invasive Species Information Center
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Invasive Species Resources

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"B" Rated Weeds - Houndstongue (PDF | 2.04 MB)

Oregon Department of Agriculture. Plant Division. Noxious Weed Control.
See also: Oregon Noxious Weed Profiles for more species
Africanized Honey Bees: Where Are They Now, and When Will They Arrive in North Carolina? (Feb 2015)
North Carolina State University. Cooperative Extension.
Alaska Exotic Plants Information Clearinghouse (AKEPIC)
University of Alaska - Anchorage. Alaska Center for Conservation Science.
Alaska Exotic Plants Information Clearinghouse (AKEPIC): Non-Native Plant Species List
University of Alaska - Anchorage. Alaska Center for Conservation Science.
Alaska Exotic Plants Information Clearinghouse (AKEPIC): Species Biography - Canada Thistle (Feb 7, 2011) (PDF | 142 KB)
University of Alaska - Anchorage. Alaska Center for Conservation Science.
See also: Non-Native Plant Species List for additional factsheets (species biographies) and species risk assessment reports of non-native species present in Alaska and also non-native species currently not recorded in Alaska (potential invasives)
Alaska Exotic Plants Information Clearinghouse (AKEPIC): Species Biography - Cheatgrass (Feb 7, 2011) (PDF | 164 KB)
University of Alaska - Anchorage. Alaska Center for Conservation Science.
See also: Non-Native Plant Species List for additional factsheets (species biographies) and species risk assessment reports of non-native species present in Alaska and also non-native species currently not recorded in Alaska (potential invasives)
Alaska Exotic Plants Information Clearinghouse (AKEPIC): Species Biography - Common Reed (Feb 17, 2011) (PDF | 262 KB)
University of Alaska - Anchorage. Alaska Center for Conservation Science.
See also: Non-Native Plant Species List for additional factsheets (species biographies) and species risk assessment reports of non-native species present in Alaska and also non-native species currently not recorded in Alaska (potential invasives).
Alaska Exotic Plants Information Clearinghouse (AKEPIC): Species Biography - Common St. Johnswort (Feb 7, 2011) (PDF | 128 KB)
University of Alaska - Anchorage. Alaska Center for Conservation Science.
See also: Non-Native Plant Species List for additional factsheets (species biographies) and species risk assessment reports of non-native species present in Alaska and also non-native species currently not recorded in Alaska (potential invasives)
Alaska Exotic Plants Information Clearinghouse (AKEPIC): Species Biography - Dalmatian Toadflax (Mar 19, 2012) (PDF | 455 KB)
University of Alaska - Anchorage. Alaska Center for Conservation Science.
See also: Non-Native Plant Species List for additional factsheets (species biographies) and species risk assessment reports of non-native species present in Alaska and also non-native species currently not recorded in Alaska (potential invasives)
Alaska Exotic Plants Information Clearinghouse (AKEPIC): Species Biography - Eurasian Watermilfoil (Feb 8, 2011) (PDF | 92 KB)
University of Alaska - Anchorage. Alaska Center for Conservation Science.
See also: Non-Native Plant Species List for additional factsheets (species biographies) and species risk assessment reports of non-native species present in Alaska and also non-native species currently not recorded in Alaska (potential invasives).
Alaska Exotic Plants Information Clearinghouse (AKEPIC): Species Biography - Garlic Mustard (Feb 7, 2011) (PDF | 118 KB)
University of Alaska - Anchorage. Alaska Center for Conservation Science.
See also: Non-Native Plant Species List for additional factsheets (species biographies) and species risk assessment reports of non-native species present in Alaska and also non-native species currently not recorded in Alaska (potential invasives)
Alaska Exotic Plants Information Clearinghouse (AKEPIC): Species Biography - Giant Hogweed (Feb 7, 2011) (PDF | 235 KB)
University of Alaska - Anchorage. Alaska Center for Conservation Science.
See also: Non-Native Plant Species List for additional factsheets (species biographies) and species risk assessment reports of non-native species present in Alaska and also non-native species currently not recorded in Alaska (potential invasives)
Alaska Exotic Plants Information Clearinghouse (AKEPIC): Species Biography - Hydrilla (Feb 7, 2011) (PDF | 113 KB)
University of Alaska - Anchorage. Alaska Center for Conservation Science.
See also: Non-Native Plant Species List for additional factsheets (species biographies) and species risk assessment reports of non-native species present in Alaska and also non-native species currently not recorded in Alaska (potential invasives).
Alaska Exotic Plants Information Clearinghouse (AKEPIC): Species Biography - Japanese Knotweed, Giant Knotweed, Bohemian Knotweed (Feb 7, 2011) (PDF | 304 KB)
University of Alaska - Anchorage. Alaska Center for Conservation Science.
See also: Non-Native Plant Species List for additional factsheets (species biographies) and species risk assessment reports of non-native species present in Alaska and also non-native species currently not recorded in Alaska (potential invasives)
Alaska Exotic Plants Information Clearinghouse (AKEPIC): Species Biography - Leafy Spurge (Feb 7, 2011) (PDF | 146 KB)
University of Alaska - Anchorage. Alaska Center for Conservation Science.
See also: Non-Native Plant Species List for additional factsheets (species biographies) and species risk assessment reports of non-native species present in Alaska and also non-native species currently not recorded in Alaska (potential invasives)
Alaska Exotic Plants Information Clearinghouse (AKEPIC): Species Biography - Musk Thistle and Related Thistle Species (Feb 7, 2011) (PDF | 170 KB)
University of Alaska - Anchorage. Alaska Center for Conservation Science.
See also: Non-Native Plant Species List for additional factsheets (species biographies) and species risk assessment reports of non-native species present in Alaska and also non-native species currently not recorded in Alaska (potential invasives)
Alaska Exotic Plants Information Clearinghouse (AKEPIC): Species Biography - Purple Loosestrife and European Wand Loosestrife (Feb 8, 2011) (PDF | 168 KB)
University of Alaska - Anchorage. Alaska Center for Conservation Science.
See also: Non-Native Plant Species List for additional factsheets (species biographies) and species risk assessment reports of non-native species present in Alaska and also non-native species currently not recorded in Alaska (potential invasives).
Alaska Exotic Plants Information Clearinghouse (AKEPIC): Species Biography - Quackgrass (Feb 7, 2011) (PDF | 141 KB)
University of Alaska - Anchorage. Alaska Center for Conservation Science.
See also: Non-Native Plant Species List for additional factsheets (species biographies) and species risk assessment reports of non-native species present in Alaska and also non-native species currently not recorded in Alaska (potential invasives)
Alaska Exotic Plants Information Clearinghouse (AKEPIC): Species Biography - Scotch Broom (Feb 7, 2011) (PDF | 172 KB)
University of Alaska - Anchorage. Alaska Center for Conservation Science.
See also: Non-Native Plant Species List for additional factsheets (species biographies) and species risk assessment reports of non-native species present in Alaska and also non-native species currently not recorded in Alaska (potential invasives)
Alaska Exotic Plants Information Clearinghouse (AKEPIC): Species Biography - Species Biography - Russian Knapweed (Feb 4, 2011) (PDF | 262 KB)
University of Alaska - Anchorage. Alaska Center for Conservation Science.
See also: Non-Native Plant Species List for additional factsheets (species biographies) and species risk assessment reports of non-native species present in Alaska and also non-native species currently not recorded in Alaska (potential invasives)