List “A” Species

List A species are rare noxious weeds for which state-wide eradication is the goal.  There are 3 List A species present in Grand County.

List “B” Species

List B noxious weed species are species for which state noxious weed management plans have been written and are designed to eradicate or stop the continued spread of these species. There are 21 List B species present in Grand County.

List “C” Species

List C species  are species where the goal will be to provide additional education, research, and biological control resources to jurisdictions that choose to require management of these species.  These are typically species of noxious weed that are widespread throughout Colorado.   There are 4 List C species present in Grand County.

Click on the photo to be taken to the Colorado Department of Agriculture's Noxious Weed page about that species, its identifying features, and control.