{"data":{"id":"us/7-cfr-201.16","jurisdiction":"us","citation":"7 CFR 201.16","heading":"Noxious-weed seeds.","body":"(a) Except for those kinds of noxious-weed seeds shown in paragraph (b) of this section, the names of the kinds of noxious-weed seeds and the rate of occurrence of each shall be expressed in the label in accordance with, and the rate of occurrence shall not exceed the rate permitted by, the law and regulations of the State into which the seed is offered for transportation or is transported. If in the course of such transportation, or thereafter, the seed is diverted to another State of destination, the person or persons responsible for such diversion shall cause the seed to be relabeled with respect to the noxious-weed seed content, if necessary to conform to the laws and regulations of the State into which the seed is diverted.\n(b) Seeds or bulblets of the following plants shall be considered noxious-weed seeds in agricultural and vegetable seeds transported or delivered for transportation in interstate commerce (including Puerto Rico, Guam, and the District of Columbia). Agricultural or vegetable seed containing seeds or bulblets of these kinds shall not be transported or delivered for transportation in interstate commerce. Noxious-weed seeds include the following species on which no tolerance will be applied:\nAeginetia spp.\nAgeratina adenophora (Spreng.) King and H.E. Robins.\nAlectra spp.\nAlternanthera sessilis (L.) DC.\nAsphodelus fistulosus L.\nAvena sterilis L. (including Avena ludoviciana Dur.)\nAzolla pinnata R. Br.\nCarthamus oxyacantha M. Bieb\nCenchrus caudatus (Schrad.) Kuntze\nCenchrus clandestinus Morrone\nCenchrus pedicellatus (Trin.) Morrone\nCenchrus polystachios (L.) Morrone\nChrysopogon aciculatus (Retz.) Trin.\nCommelina benghalensis L.\nCrupina vulgaris Cass.\nDigitaria abyssinica Stapf. (=D. scalarum (Schweinf.) Chiov.)\nDigitaria scalarum (Schweinfurth) Chiovenda\nDinebra chinensis (L.) P. M. Peterson \u0026 N. Snow\nDrymaria arenarioides Roem. and Schult.\nEichornia azurea (Sw.) Kunth\nGalega officinalis L.\nHeracleum mantegazzianum Sommier \u0026 Levier\nHomeria spp.\nHydrilla verticillata (L. f.) Royle\nHygrophila polysperma T. Anders.\nImperata brasiliensis Trin.\nImperata cylindrica (L.) Raeusch.\nIpomoea aquatica Forsk.\nIschaemum rugosum Salisb.\nLagarosiphon major (Ridley) Moss\nLimnophila sessiliflora (Vahl) Blume\nLycium ferocissimum Miers\nMelaleuca quinquenervia (Cav.) Blake\nMelastoma malabathricum L.\nMikania cordata (Burm. f.) B.L. Robins.\nMikania micrantha H.B.K.\nMimosa invisa Mart.\nMimosa pigra L. var. pigra\nMonochoria hastata (L.) Sloms-Laub.\nMonochoria vaginalis (Burm. f.) K.B. Presl\nNassella trichotoma (Nees) Arechavaleta\nOpuntia aurantiaca Lindl.\nOryza longistaminata A. Cheval. and Roehr.\nOryza punctata Steud.\nOryza rufipogon Griff.\nOttelia alismoides (L.) Pers.\nPaspalum scrobiculatum L.\nProsopis alapataco R.A. Philippi\nProsopis argentina Burkart\nProsopis articulata S. Watson\nProsopis burkartii Munoz\nProsopis caldenia Burkart\nProsopis calingastana Burkart\nProsopis campestris Griseb.\nProsopis castellanosii Burkart\nProsopis denudans Benth.\nProsopis elata (Burkart) Burkart\nProsopis farcta (Russell) Macbride\nProsopis ferox Griseb.\nProsopis fiebrigii Harms\nProsopis hassleri Harms\nProsopis humilis Hook. and Arn.\nProsopis kuntzei Harms\nProsopis pallida (Willd.) H.B.K.\nProsopis palmeri S. Watson\nProsopis reptans Benth. var. reptans\nProsopis rojasiana Burkart\nProsopis ruizlealii Burkart\nProsopis ruscifolia Griseb.\nProsopis sericantha Hook. and Arn.\nProsopis strombulifera (Lam.) Benth.\nProsopis torquata (Lagasca) DC.\nRottboellia cochinchinensis (Lour.) Clayton\nRubus moluccanus L.\nRubus plicatus Weihe \u0026 Nees\nRumex hypogaeus T.M. Schust \u0026 Reveal\nRumex spinosus L.\nSaccharum spontaneum L.\nSagittaria sagittifolia L.\nSalsola vermiculata L.\nSalvinia auriculata Aubl.\nSalvinia biloba Raddi\nSalvinia herzogii de la Sota\nSalvinia molesta D.S. Mitchell\nSenecio inaequidens DC.\nSetaria pallide-fusca (Schumach.) Stapf and Hubb.\nSolanum tampicense Dunal\nSolanum torvum Sw.\nSolanum viarum Dunal\nSparaganium erectum L.\nSpermacoce alata (Aublet) de Candolle\nStriga spp.\nTridax procumbens L.\nUrochloa panicoides Beauv.","path":["Title 7—Agriculture","Subtitle B—Regulations of the Department of Agriculture","CHAPTER I—AGRICULTURAL MARKETING SERVICE (STANDARDS, INSPECTIONS, MARKETING PRACTICES), DEPARTMENT OF AGRICULTURE","SUBCHAPTER K—FEDERAL SEED ACT","PART 201—FEDERAL SEED ACT REQUIREMENTS"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-7.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:01Z","sha256":"ffe48999ae494d2d3cafb215664efd6914d303acdba9673ca2b703dd42079173","source_id":"us-cfr","stale":true,"prev":"us/7-cfr-201.15","next":"us/7-cfr-201.17"},"notice":"GroundRules: Original legal text. Not legal advice."}