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See also: Weeds of Hawaii for more species guides

Special Note: In Spanish

Includes final annual and cumulative maps and data from 1999.

See the photo gallery for images and video to better understand all the places invasive species can hitch a ride on your boat or trailer.

The Invasive Species Data Mobilization Campaign of the Western Governors’ Association seeks to encourage national, state, and local land managers, private landowners, and non-governmental organizations to enter previously unavailable data into new or existing invasive species data management platforms using Findings and Recommendations (May 15, 2018) [PDF, 244 KB] developed by WGA and invasive species data experts. WGA and the North American Invasive Species Management Association launched the campaign in December 2020 with a webinar featured representatives from the four existing data platforms -- EDDMapS, iMapInvasives, BISON (see note below), and USGS NAS -- discussing the importance of invasive species data standardization and sharing.
Note: GBIF-US was formerly hosted at BISON.USGS.gov. The BISON website was taken down on December 17, 2021 and users are redirected to www.gbif.us.

The term native species refers to plants and animals that live in a particular area purely by reason of naturally occurring phenomenon. These organisms have not been influenced by any type of human behavior or intervention.

Pollinators need a diverse, abundant food source and a place to build their nests and rear their young. If we keep these two elements in mind we can encourage native bee populations.