Mo. Rev. Stat. § 263.450 – Noxious weed, defined — designation of noxious weed by director of department of agriculture

As used in sections 263.450 to 263.474, the term "noxious weed" includes bindweed (Convolvulus arvensis), Johnson grass (Sorghum halepense), multiflora rose (Rosa multiflora) except when cultivated for or used as understock for cultivated roses, Canada thistle (Cirsium arvense), musk thistle (Carduus nutans L.), Scotch thistle (Onoprodum acanthium L.), purple loosestrife (Lythrum salicaria), and any other weed designated as noxious by rules and regulations promulgated by the director of the department of agriculture.

(L. 1992 H.B. 1199 § 1, A.L. 1993 S.B. 52)