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This tiered species list categorizes species by population distribution within the SLELO region and feasible management approaches: prevention, eradication, suppression localized control, and monitoring. The Invasive Species Tiered List approach is data-driven and utilized by the Partnerships for Regional Invasive Species Management (PRISM) Network across New York State.

See also: Early Detection Species and Awareness Species

Australia is lucky to be free from many of the world’s most damaging plant pests. Exotic plant pests are capable of damaging our natural environment, destroying our food production and agriculture industries, and some could change our way of life. Australia’s biosecurity system helps protect us from exotic plant pests. The Department of Agriculture, Water and the Environment manages this system with state and territory ​governments, industry and the community. The Plant Health Committee has recently reviewed the National Priority Plant Pests that are exotic to Australia, under eradication or have limited distribution. These are the focus of government investment and action, including funding through the Priority Pest and Disease Planning and Response. While by no means the only plant pests of biosecurity concern, the National Priority Plant Pests serve to highlight the sort of threats Australia faces. View the National Priority Plant Pests (2019).

See also: WGA's 'Top 50 Invasive Species in the West' offers first regional report for more information

Michigan’s invasive species watch list was recently updated to include two new species and remove another. Mountain pine beetle, a deadly threat to pine trees, and water-primrose, a fast-spreading aquatic plant, have been added to the watch list due to threats they pose to native ecosystems and industry. European frog-bit, originally listed in 2011, has been moved off the list of species of immediate concern and is now considered established in the state.

The United States Register of Introduced and Invasive Species ( US-RIIS ) serves as a national inventory for all non-native and invasive species that are established (naturally reproducing) within three localities of the United States: Alaska, Hawaii, and the conterminous (or lower 48) United States.
See related resource: United States Register of Introduced and Invasive Species (US-RIIS)

APHIS regulates the following list of pests under the authority of the Plant Protection Act. It does not include any 'regulated non-quarantine pests' (pests which are present and may be widely distributed in the U.S.
See also: Animal and Plant Diseases and Pests of Concern for related information

Introduced (non-native) species that becomes established may eventually become invasive, so tracking introduced species provides a baseline for effective modeling of species trends and interactions, geospatially and temporally.

The United States Register of Introduced and Invasive Species (US-RIIS) is comprised of three lists, one each for Alaska, Hawaii, and the conterminous United States. Each list includes introduced (non-native), established (reproducing) taxa that: are, or may become, invasive (harmful) in the locality; are not known to be harmful there; and/or have been used for biological control in the locality.

To be included in the US-RIIS, a taxon must be non-native everywhere in the locality and established (reproducing) anywhere in the locality. Native pest species are not included. The US-RIIS builds on a previous dataset, A Comprehensive List of Non-Native Species Established in Three Major Regions of the U.S.: Version 3.0 (Simpson et al., 2020). An Open-File Report 2018-1156, 15 p., related to the predecessor of the US-RIIS: https://doi.org/10.3133/ofr20181156.

Note: GBIF-US was formerly hosted at BISON.USGS.gov. The existing BISON website was taken down on December 17, 2021 and users are now redirected to Species observations for the United States and U.S. Territories via the new pilot implementation of the Global Biodiversity Information Facility (GBIF-US) data portal.

Citation: Simpson, Annie, Pam Fuller, Kevin Faccenda, Neal Evenhuis, Janis Matsunaga, and Matt Bowser, 2022, United States Register of Introduced and Invasive Species (US-RIIS) (ver. 2.0, November 2022): U.S. Geological Survey data release, https://doi.org/10.5066/P9KFFTOD

See related resource: United States Register of Introduced and Invasive Species (US-RISS) Story Map

The Washington State noxious weed list is updated every year, and all Washington residents can submit proposals to add or remove species, change the class of a listed noxious weed, or to change the designated area in which control is required for a Class B noxious weed. Anyone, including citizens, tribes, organizations, government agencies, and county noxious weed control boards may participate in the listing process by submitting a proposal or by submitting testimony about proposed changes to the noxious weed list. In fact, Washington's open, inclusive listing process is lauded by other states for its encouragement of public participation. Learn more about the listing process here.

The Washington State Noxious Weed Control Board is tasked with maintaining and updating the official list of noxious weeds that landowners may be required to control.

See also: Invasive Species Rule – NR 40 for more resources

See also: Wyoming CAPS Program for more information