The Administrator has determined that it is necessary to designate the following plants 1 as noxious weeds to prevent their introduction into the United States or their dissemination within the United States:
Code of Federal Regulations
Footnote(s):
1 One or more of the common names of weeds are given in parentheses after most scientific names to help identify the weeds represented by such scientific names; however, a scientific name is intended to include all subordinate taxa within the taxon. For example, taxa listed at the genus level include all species, subspecies, varieties, and forms within the genus; taxa listed at the species level include all subspecies, varieties, and forms within the species.
(a) Aquatic and wetland weeds:
Code of Federal Regulations
[48 FR 20039, May 4, 1983, as amended at 49 FR 25223, June 20, 1984; 57 FR 8838, Mar. 13, 1992; 60 FR 35832, July 12, 1995; 64 FR 12883, Mar. 16, 1999; 65 FR 33743, May 25, 2000; 66 FR 21060, Apr. 27, 2001; 71 FR 35381, June 20, 2006; 74 FR 53400, Oct. 19, 2009; 75 FR 68953, Nov. 10, 2010]