7 C.F.R. § 201.10
(a) The following kinds of agricultural seeds are generally labeled as to variety and shall be labeled to show the variety name or the words “Variety Not Stated.”
Alfalfa; Bahiagrass; Barley; Bean, field; Beet, field; Brome, smooth; Broomcorn; Clover, crimson; Clover, red; Clover, white; Corn, field; Corn, pop; Cotton; Cowpea; Crambe; Fescue, tall; Flax; Lespedeza, striate; Millet, foxtail; Millet, pearl; Oat; Pea, field; Peanut; Radish; Rice; Rye; Safflower; Sorghum; Sorghum-sudangrass, Soybean; Sudangrass; Sunflower; Tobacco; Trefoil, birdsfoot; Triticale; Wheat, common; Wheat, durum.
[32 FR 12778, Sept. 6, 1967, and 33 FR 10840, July 31, 1968, as amended at 35 FR 6108, Apr. 15, 1970; 59 FR 64491, Dec. 14, 1994; 85 FR 40579, July 7, 2020]