Mapping Invasives

Citizen scientists and natural resources managers use online GIS-based programs to:
  • map and record the impacts of the invader
  • assess the impact of the species
  • track their treatment methods
There are several online options, depending:
  • user: citizen volunteer or professional land manager
  • invader: plant or animal

Mapping Tools in use in Oregon

Oregon Invasive Species Hotline

The Oregon Invasive Species Hotline provides an easy way for the public to report suspected invasive species sightings, either by phone or a web reporting tool Reports are sent to a network of experts in Oregon who can help identify the species and give advice on its management.

Oregon WeedMapper

WeedMapper was developed by the Oregon Department of Agriculture (ODA). A collection of spatial information on the distribution of noxious weeds listed by ODA. It is designed to help facilitate weed identification, reporting, and verification.

is the public access web site of the National Agricultural Pest Information System, the agricultural pest tracking database of the US Department of Agriculture Animal and Plant Health Inspection Service Plant Protection and Quarantine Cooperative Agricultural Pest Survey.

USGS’s Non-Indigenous Aquatic Species 
USGS NAS tracks aquatic vertebrate and invertebrate animals nationwide and provides fact sheets about these species.


Western Invasives Network Coordinator Vern Holm serves as a liaison so that a coordinated effort between iMapInvasives and the agencies and organizations represented by the Council is sustained. Contact Vern if you have:

  • Questions about iMapInvasives
  • Donations to support this work
  • An interest in contributing data