§ 201.16 - Noxious-weed seeds.

§ 201.16 Noxious-weed seeds.

(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.

(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:

Aeginetia spp.

Ageratina adenophora (Spreng.) King and H.E. Robins.

Alectra spp.

Alternanthera sessilis (L.) DC.

Asphodelus fistulosus L.

Avena sterilis L. (including Avena ludoviciana Dur.)

Azolla pinnata R. Br.

Carthamus oxyacantha M. Bieb

Cenchrus caudatus (Schrad.) Kuntze

Cenchrus clandestinus Morrone

Cenchrus pedicellatus (Trin.) Morrone

Cenchrus polystachios (L.) Morrone

Chrysopogon aciculatus (Retz.) Trin.

Commelina benghalensis L.

Crupina vulgaris Cass.

Digitaria abyssinica Stapf. (=D. scalarum (Schweinf.) Chiov.)

Digitaria scalarum (Schweinfurth) Chiovenda

Dinebra chinensis (L.) P. M. Peterson & N. Snow

Drymaria arenarioides Roem. and Schult.

Eichornia azurea (Sw.) Kunth

Galega officinalis L.

Heracleum mantegazzianum Sommier & Levier

Homeria spp.

Hydrilla verticillata (L. f.) Royle

Hygrophila polysperma T. Anders.

Imperata brasiliensis Trin.

Imperata cylindrica (L.) Raeusch.

Ipomoea aquatica Forsk.

Ischaemum rugosum Salisb.

Lagarosiphon major (Ridley) Moss

Limnophila sessiliflora (Vahl) Blume

Lycium ferocissimum Miers

Melaleuca quinquenervia (Cav.) Blake

Melastoma malabathricum L.

Mikania cordata (Burm. f.) B.L. Robins.

Mikania micrantha H.B.K.

Mimosa invisa Mart.

Mimosa pigra L. var. pigra

Monochoria hastata (L.) Sloms-Laub.

Monochoria vaginalis (Burm. f.) K.B. Presl

Nassella trichotoma (Nees) Arechavaleta

Opuntia aurantiaca Lindl.

Oryza longistaminata A. Cheval. and Roehr.

Oryza punctata Steud.

Oryza rufipogon Griff.

Ottelia alismoides (L.) Pers.

Paspalum scrobiculatum L.

Prosopis alapataco R.A. Philippi

Prosopis argentina Burkart

Prosopis articulata S. Watson

Prosopis burkartii Munoz

Prosopis caldenia Burkart

Prosopis calingastana Burkart

Prosopis campestris Griseb.

Prosopis castellanosii Burkart

Prosopis denudans Benth.

Prosopis elata (Burkart) Burkart

Prosopis farcta (Russell) Macbride

Prosopis ferox Griseb.

Prosopis fiebrigii Harms

Prosopis hassleri Harms

Prosopis humilis Hook. and Arn.

Prosopis kuntzei Harms

Prosopis pallida (Willd.) H.B.K.

Prosopis palmeri S. Watson

Prosopis reptans Benth. var. reptans

Prosopis rojasiana Burkart

Prosopis ruizlealii Burkart

Prosopis ruscifolia Griseb.

Prosopis sericantha Hook. and Arn.

Prosopis strombulifera (Lam.) Benth.

Prosopis torquata (Lagasca) DC.

Rottboellia cochinchinensis (Lour.) Clayton

Rubus moluccanus L.

Rubus plicatus Weihe & Nees

Rumex hypogaeus T.M. Schust & Reveal

Rumex spinosus L.

Saccharum spontaneum L.

Sagittaria sagittifolia L.

Salsola vermiculata L.

Salvinia auriculata Aubl.

Salvinia biloba Raddi

Salvinia herzogii de la Sota

Salvinia molesta D.S. Mitchell

Senecio inaequidens DC.

Setaria pallide-fusca (Schumach.) Stapf and Hubb.

Solanum tampicense Dunal

Solanum torvum Sw.

Solanum viarum Dunal

Sparaganium erectum L.

Spermacoce alata (Aublet) de Candolle

Striga spp.

Tridax procumbens L.

Urochloa panicoides Beauv.

[65 FR 1706, Jan. 11, 2000, as amended at 76 FR 31794, June 2, 2011]