Invasive Species / Plants / Terrestrial
 

Terrestrial Plants

 


Idaho has 67 weed species and 4 genera designated noxious by state law – 51  of these species are terrestrial.

Categories:

Early Detection Rapid Response– (EDRR) Weeds shall be eradicated during the same growing season as identified.
Statewide Prohibited Genera– All plants, plant parts, and subtaxa of listed genera are prohibited in Idaho.
Containment– Concentration of weeds where control and/or eradication may be possible.
Control– Reduce or eliminate new or expanding weed populations.


Statewide EDRR List


Statewide Prohibited Genera


Statewide Containment List


Statewide Control List

Photo Credit: (giant hogweed) Courtesy of Terry English, USDA APHIS PPQ, Bugwood.org / (Iberian starthistle) Courtesy of Ross O’Connell, The Regents of the University of California / (policeman’s helmet) Richard Old, XID Services, www.xidservices.com / (purple starthistle) J.M. DiTomaso, The Regents of the University of California / (squarrose knapweed) J.M. DiTomaso, The Regents of the University of California (Syrian beancaper) J.M. DiTomaso, The Regents of the University of California / (tall hawkweed) Emmet J Judziewicz, Wisconsin State Herbarium / (yellow devil hawkweed) Linda Wilson, University of Idaho / (Cytisus) Leslie J. Mehrhoff, University of Connecticut, Bugwood.org / (Genista) Robert Vidéki, Doronicum Kft., Bugwood.org / (Spartium) John M. Randall, The Nature Conservancy, Bugwood.org / (Chamaecytisus) Jasenka Topic - Saxifraga / (black henbane) J.M. DiTomaso, The Regents of the University of California / (bohemian knotweed) King County Washington, Noxious Weed Program / (buffalobur) J.M. DiTomaso, The Regents of the University of California / (common Crupina) J.M. DiTomaso, The Regents of the University of California / (dyer’s woad) J.M. DiTomaso, The Regents of the University of California / (giant knotweed) Jan Samanek, State Phytosanitary Administration, Bugwood.org / (Japanese knotweed) J.M. DiTomaso, The Regents of the University of California / (johnsongrass) J.M. DiTomaso, The Regents of the University of California / (matgrass) Gil Wojciech, Polish Forest Research Institute, Bugwood.org / (meadow knapweed) J.M. DiTomaso, The Regents of the University of California / (Mediterranean sage) J.M. DiTomaso, The Regents of the University of California / (musk thistle) J.M. DiTomaso, The Regents of the University of California / (orange hawkweed) Michael Shephard, USDA Forest Service, Bugwood.org / (perennial sowthistle) Steve Dewey, Utah State University, Bugwood.org / (Russian knapweed) J.M. DiTomaso, The Regents of the University of California / (scotch broom) J.M. DiTomaso, The Regents of the University of California / (small bugloss) Richard Old, XID Services, www.xidservices.com / (vipers bugloss) Bill Hargrave, Kootenai County Noxious Weed Control / (yellow hawkweed) Elizabeth Bella, USDA Forest Service, Bugwood.org / (canada thistle) J.M. DiTomaso, The Regents of the University of California / (dalmatian toadflax) J.M. DiTomaso, The Regents of the University of California / (diffuse knapweed) J.M. DiTomaso, The Regents of the University of California / (field bindweed) J.M. DiTomaso, The Regents of the University of California / (hoary alyssum) Richard Old, XID Services, www.xidservices.com / (houndstongue) J.M. DiTomaso, The Regents of the University of California / (jointed goatgrass) J.M. DiTomaso, The Regents of the University of California / (leafy spurge) J.M. DiTomaso, The Regents of the University of California / (milium) Wyoming Weed and Pest Council / (oxeye daisy) Terry Spivey, USDA Forest Service, Bugwood.org / (perennial Pepperweed) J.M. DiTomaso, The Regents of the University of California / (plumeless thistle) J.M. DiTomaso, The Regents of the University of California / (poison hemlock) J.M. DiTomaso, The Regents of the University of California / (puncturevine) Steve Dewey, Utah State University, Bugwood.org / (purple loosestrife) Linda Wilson, University of Idaho, Bugwood.org / (rush Skeletonweed) J.M. DiTomaso, The Regents of the University of California / (saltcedar) J.M. DiTomaso, The Regents of the University of California / (scotch thistle) J.M. DiTomaso, The Regents of the University of California / (spotted knapweed) J.M. DiTomaso, The Regents of the University of California / (tansy ragwort) J.M. DiTomaso, The Regents of the University of California / (white bryony) Richard Old, XID Services, www.xidservices.com / (whitetop) J.M. DiTomaso, The Regents of the University of California / (yellow starthistle) Steve Dewey, Utah State University, Bugwood.org / (yellow toadflax) Steve Dewey, Utah State University, Bugwood.org.