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Home > Invasive Species

Collecting Noxious Weeds for Science is Legal

Washington State Rules permit the collection of noxious weeds for scientific purposes such as the collection of herbarium specimens. No special permits are required for pressed specimens. The applicable rules which address noxious weed collections are

WAC 16-752-515 Wetland and aquatic weed quarantine--Exemptions. The prohibition on transporting plants or plant parts in WAC 16-752-510 shall not apply to plants or plant parts collected for herbariums, research in control methods, creation of pressed specimens for educational or identification purposes and other scientific activities, except that all activities requiring live plants, except pressed specimens, are conducted under permit from the director and are conducted in such a way that no infestation is created. No permit is required to transport plants or plant parts, as a part of a noxious weed control activity, to a sanitary landfill, to be burned, or otherwise for disposition, if such activities are conducted under the supervision of an official weed control agency or other public agency with management responsibilities for the control efforts and are conducted in such a manner that seed dispersal or dispersal of propagative materials to uninfested areas is prevented. No permit is required for live plants for educational or training purposes, if the specimens are disposed of in such a manner as to prevent infestation.

-And-

WAC 16-752-630 Noxious weed seed and plant quarantine--Exceptions. The prohibition on transporting of plants and plant parts established in WAC 16-752-620 does not apply to plants or plant parts collected for herbariums, research in control methods, creation of pressed specimens, or for educational or identification purposes and other scientific activities, as long as all such activities are conducted in such a manner as to prevent infestation. In addition, plants or plant parts may be transported, as a part of a noxious weed control activity, to a sanitary landfill, to be burned, or otherwise for disposal under the supervision of a noxious weed control agency.

Do exercise caution. Please be careful to prevent the distribution of plant propagules such as seeds, bulblets, or pieces of rhizome during the collection, drying and pressing process. We don’t want to be responsible for spreading the problem.