Items of Interest:

Stop Aquatic Hitchhikers (Jun 30, 2009)
Iowa Department of Natural Resources.
The DNR is reminding boaters and anglers to stop and check for unwanted hitchhikers to help protect Iowa's waters.
It is illegal to possess, introduce, purchase, sell or transport aquatic invasive species.

Quarantine of Entire State of Iowa for Pine Shoot Beetle (PSB) (Tomicus piniperda) (Sep 19, 2006)
North American Plant Protection Organization.

Find Experts and See State Specific Threats:

Invasive Species Experts - Iowa
Aquatic Nuisance Species Task Force.

Nonindigenous Species List - Iowa or Display Species List by Taxonomic Group (select State)
DOI. USGS. Florida Integrated Science Center.
Includes fact sheets, maps and collection information.

State Noxious Weed List - Iowa
USDA. NRCS. National Plant Data Center. PLANTS Database.
Designated legally noxious plants.

Pest Tracker - Iowa
USDA. APHIS. Cooperative Agricultural Pest Survey. National Agricultural Pest Information System.

Forest Threat Summary Viewer - Iowa
USDA. FS. Eastern Forest Environmental Threat Assessment Center.
See what threats (invasive plants, insects and diseases) are in my state.