Federal Noxious Weeds Key

By United States Department of Agriculture-APHIS on AppTrack Ninja.

Officials in the United States Department of Agriculture (USDA) have determined that certain species not native to the U.S. are at risk of becoming invasive should they enter this country. As part of its effort to prevent the introduction of invasive or potentially invasive weeds, the USDA maintains an official list of "federal noxious weeds" (FNW) (7 CFR 360.200 and 361.6). Many taxa on this list are currently serious weeds elsewhere in the world, and about two-thirds of the taxa are currently found in the U.S. Most of the FNW taxa are angiosperms, but a few are ferns and one is a green alga…

Categories: Reference, Education

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