7 C.F.R. § 201.17
Noxious-weed seeds in the District of Columbia.
Cite as 7 C.F.R. § 201.17 (2026)
(a) Noxious-weed seeds in the District of Columbia are: Quackgrass ( Elymus repens ), Canada thistle ( Cirsium arvense ), field bindweed ( Convolvulus arvensis ), bermudagrass ( Cynodon dactylon ), giant bermudagrass ( Cynodon dactylon var. aridus ), annual bluegrass ( Poa annua ), and wild garlic or wild onion ( Allium canadense or Allium vineale ). The name and number per pound of each kind of such noxious-weed seeds present shall be stated on the label. (b) [Reserved] [65 FR 1707, Jan. 11, 2000, as amended at 85 FR 40579, July 7, 2020]