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The list of “100 of the World’s Worst Invasive Alien Species” is designed to enhance awareness of the fascinating complexity, and also the terrible consequences, of invasive alien species. Species were selected for the list according to two criteria: their serious impact on biological diversity and/or human activities, and their illustration of important issues surrounding biological invasion.

The Alaska Aquatic Invasive Species Clearinghouse (AK Aqua) is a database and mapping application that provides temporal and geospatial information for invasive aquatic species in Alaska. Taxa profiles and associated planning documents are provided for many of the species listed in AK Aqua. These data are primarily intended to support the identification of problem species, thus promoting early detection and rapid response across Alaska. Data are also used in a variety of research and modeling activities.

The Alien Forest Pest Explorer (AFPE) is an interactive web tool which provides detailed spatial data describing pest distributions and host inventory estimates for damaging, non-indigenous forest insect and disease pathogens currently established in the U.S. The database is maintained as a joint effort of Purdue University, the U.S. Forest Service Northern Research Station, and the U.S. Forest Service Forest Health Protection.

The Aquatic eDNAtlas Project supports effective conservation and management of freshwater biota. Rocky Mountain Research Station scientists have been at the forefront of investigating and applying eDNA sampling for aquatic species.

The eDNAtlas allows land managers, scientists, and the public to access results from samples collected from aquatic systems throughout the U.S. The eDNAtlas database contains results from thousands of sites.

The collection of digital images is provided as a service to Arkansas agriculture. These images represent symptoms of both pathological (infectious) and non-pathological (physiological/environmental) disorders of agronomic row crops and horticultural crops that grow in Arkansas. These photos are useful as an identification tool to growers of the crops listed.

Calflora provides a specialized mapping platform for plant locations as a public service. This platform consists of a geospatial database, and a set of web applications and phone applications. While originally developed to track native plant populations, the platform has also been used to advantage to track non-native populations.

Cal-NEMO provides comprehensive information on introduced marine and estuarine invertebrates and algae in California. The database contains everything from brief overviews of species and taxonomic groups to detailed records on the history of spread. The creation of NEMESIS and Cal-NEMO has involved years of research and literature review, and remains an ongoing project. Records are updated as new species are reported and new research is available.

USGS published a dataset called "Catalog of U.S. Federal Early Detection/Rapid Response Invasive Species Databases and Tools." The catalog, developed in collaboration with the National Invasive Species Council Secretariat, is a multi-sheet spreadsheet that contains openly available, online, federally supported databases and tools dealing with various aspects of a potential national early detection and rapid response invasive species framework. 
Citation: Simpson, A., Morisette, J.T., Fuller, P., Reaser, J., and Guala, G.F., 2020, Catalog of U.S. Federal Early Detection/Rapid Response Invasive Species Databases and Tools: Version 2.0 (ver. 2.0, 2020): U.S. Geological Survey data release, https://doi.org/10.5066/P9CNVBYR.
See also: Dataset is also available in a user-friendly online version - Federal Early Detection/Rapid Response Invasive Species Resources: Overview & Vocabulary

The Chesapeake Bay Database project ended in 2020. This site will remain available for historical reference, but the database has not been updated since 2020 and will not receive any further updates. See more information in the project overview. For up to date information on introduced marine and estuarine invertebrates and algae in Chesapeake Bay, please visit the NEMESIS North American database.

The Entomological Society of America (ESA) Common Names database is an essential reference for anyone who works with insects. It includes more than 2,000 common names and is searchable by common name, scientific name, author, order, family, genus, and species.
See also: Better Common Names Project which aims to ensure common names are respectful, inclusive, and accurately descriptive.

A centralized database covering all of the recorded invasive vertebrate eradications on islands and an important tool in helping improve the quality of eradications.

DisMAP provides easy access to information to track and understand distributions of marine species in the U.S. Marine Ecosystems. Launch the portal to explore, visualize and interact with information on marine species distributions. The portal  is part of NOAA Fisheries ongoing efforts to increase the delivery and use of climate-related information to advance climate-smart science and management decisions.  The portal enables users to view, download, dynamically explore and visualize data and information on species distributions. Specifically, users can explore changes in species distributions on a map and view time series graphs showing changes in key metrics of a species distribution (e.g., average latitude, average depth) over time for over 800 species collected in NOAA bottom trawl surveys.
See also: NOAA Showcases New Mapping Tool for Marine Species: Data Reveals Fish are Shifting into Different Waters (News Release - Apr 19, 2022)

Early Detection and Distribution Mapping System (EDDMapS) is a platform for invasive and pest species information and occurrence data including all taxa and environments, and provides a more accurate picture of the distribution of invasive species. EDDMapS will allow land managers, agencies, and others to set priorities for early detection and rapid response (EDRR), as well as formulate overall invasive plant management action plans. EDDMapS provides online tools for citizens to report invasive species sightings and maps these sightings to provide distribution information by species, state, and county. There are many tools available to help small, locally-based groups to map and manage their invasive and pest species populations.

An Ecological Risk Screening Summary, or Risk Summary, provides a rapid evaluation of a species’ potential invasiveness. These evaluations give us, as well as our natural resource stakeholders and the public, a quick way to determine which species are most likely (high risk) and least likely (low risk) to cause damage if they spread outside of their natural range, and which ones have insufficient information to make such a determination (uncertain risk).
See also: Search the Ecological Risk Screening Summary (ERSS) Database

National Conference of State Legislatures (NCSL) tracks environment and natural resources legislation to bring you up-to-date, real-time information on bills that have been introduced in the 50 states and the District of Columbia, and U.S. territories. Database provides search options by state (or territory), topic, keyword, year, status or primary sponsor. Topics include Wildlife - Legislation related to wildlife, including protected and invasive species, habitat restoration, migration corridors, trafficking, disease, etc. 
See also: Resources State Bill Tracking Database Archive (2009-2022); includes Wildlife-Invasive Species and Wildlife-Pollinators topics

Contains several databases: EPPO Codes, EPPO Global Database, EPPO Database on PP1 Standards – Efficacy evaluation of PPPs, EPPO Database on Diagnostic Expertise, and CAPRA (Computer Assisted Pest Risk Analysis).

The species taxonomy defines groupings of biological organisms based on their shared characteristics. These groupings, called taxa (or singular taxon), are arranged based on taxonomic rank in which the deeper down the tree you are, the more granular the grouping characteristics are. This tree structure, with branches further down the line getting more specific, creates an overall hierarchy for categorizing life.

This database contains literature reviews of botanical characteristics, life cycle, habitat, succession, distribution, impacts, fire ecology, and fire effects for 1000 plant and animal species, including 67 non-native invasive species. Future plans include updating many of these "species summaries" and adding 30-40 more summaries of non-native invasives over the next 1.5 years.

Find plants native to New England that will thrive in your garden.