Noxious Weeds

Regulated and Restricted Noxious Weeds ( R3-4-244)

Regulated Pest 

“Regulated pest” means any of the following plant species, including viable plant parts (stolons, rhizomes, cuttings and seed, except agricultural, vegetable and ornamental seed for planting purposes), found within the state may be controlled to prevent further infestation or contamination:

         Cenchrus echinatus L. -- Southern sandbur,

         Cenchrus incertus M.A. Curtis -- Field sandbur,

         Convolvulus arvensis L. -- Field bindweed,

         Eichhornia crassipes (Mart.) Solms -- Floating water hyacinth,

         Medicago polymorpha L. -- Burclover,

         Pennisetum ciliare (L.) Link -- Buffelgrass,

         Portulaca oleracea L. -- Common purslane,

         Tribulus terrestris L. -- Puncturevine.

Restricted Pests

“Restricted pest” means any of the following plant species, including viable plant parts (stolons, rhizomes, cuttings and seed, except agricultural, vegetable and ornamental seed for planting purposes), found within the state shall be quarantined to prevent further infestation or contamination:

         Acroptilon repens (L.) DC. -- Russian knapweed,

         Aegilops cylindrica Host. -- Jointed goatgrass,

         Alhagi pseudalhagi (Bieb.) Desv. -- Camelthorn,

         Cardaria draba (L.) Desv. -- Globed-podded hoary cress (Whitetop),

         Centaurea diffusa L. -- Diffuse knapweed,

         Centaurea maculosa L. -- Spotted knapweed,

         Centaurea solstitialis L. -- Yellow starthistle (St. Barnaby’s thistle),

         Cuscuta spp. -- Dodder,

         Eichhornia crassipes (Mart.) Solms -- Floating water hyacinth,

         Elytrigia repens (L.) Nevski -- Quackgrass,

         Euryops sunbcarnosus subsp. vulgaris -- Sweet resinbush,

         Halogeton glomeratus (M. Bieb.) C.A. Mey -- Halogeton,

         Helianthus ciliaris DC. -- Texas blueweed,

         Ipomoea triloba L. -- Three-lobed morning glory,

         Linaria genistifolia var. dalmatica -- Dalmation toadflax,

         Onopordum acanthium L. -- Scotch thistle.

Prohibited Noxious Weeds (R3-4-245)       

“Pest” means any of the following plant species, including viable plant parts (stolons, rhizomes, cuttings and seed, except agricultural, vegetable and ornamental seed for planting purposes), that are prohibited from entering the state:

         Acroptilon repens (L.) DC. -- Russian knapweed,

         Aegilops cylindrica Host. -- Jointed goatgrass,

         Alhagi pseudalhagi (Bieb.) Desv. -- Camelthorn,

         Alternanthera philoxeroides (Mart.) Griseb. -- Alligator weed,

         Cardaria pubescens (C.A. Mey) Jarmolenko ‑‑ Hairy whitetop,

         Cardaria chalepensis (L.) Hand-Muzz ‑‑ Lens podded hoary cress,

         Cardaria draba (L.) Desv. -- Globed-podded hoary cress (Whitetop),

         Carduus acanthoides L. -- Plumeless thistle,

         Cenchrus echinatus L. -- Southern sandbur,

         Cenchrus incertus M.A. Curtis -- Field sandbur,

         Centaurea calcitrapa L. ‑‑ Purple starthistle,

         Centaurea iberica Trev. ex Spreng. -- Iberian starthistle,

         Centaurea squarrosa Willd. -- Squarrose knapweed,

         Centaurea sulphurea L. -- Sicilian starthistle,

         Centaurea solstitialis L. -- Yellow starthistle (St. Barnaby’s thistle),

         Centaurea diffusa L. -- Diffuse knapweed,

         Centaurea maculosa L. -- Spotted knapweed,

         Chondrilla juncea L. -- Rush skeletonweed,

         Cirsium arvense L. Scop. ‑‑ Canada thistle,

         Convolvulus arvensis L. -- Field bindweed,

         Coronopus squamatus (Forskal) Ascherson -- Creeping wartcress (Coronopus),

         Cucumis melo L. var. Dudaim Naudin ‑‑ Dudaim melon (Queen Anne’s melon),

         Cuscuta spp. -- Dodder,

         Drymaria arenarioides H.B.K. ‑‑ Alfombrilla (Lightningweed),

         Eichhornia azurea (SW) Kunth. ‑‑ Anchored water hyacinth,

         Eichhornia crassipes (Mart.) Solms – Floating water hyacinth,

         Elytrigia repens (L.) Nevski -- Quackgrass,

         Euphorbia esula L. -- Leafy spurge,

         Halogeton glomeratus (M. Bieb.) C.A. Mey -- Halogeton,

         Helianthus ciliaris DC. -- Texas blueweed,

         Hydrilla verticillata Royale ‑‑ Hydrilla (Florida-elodea),

         Ipomoea spp. ‑‑ Morning glory. All species except Ipomoea carnea, Mexican bush morning glory; Ipomoea triloba, three-lobed morning glory (which is considered a restricted pest); and Ipomoea aborescens, morning glory tree,

         Ipomoea triloba L. -- Three-lobed morning glory,

         Isatis tinctoria L. -- Dyers woad,

         Linaria genistifolia var. dalmatica -- Dalmation toadflax,

         Lythrum salicaria L. -- Purple loosestrife,

         Medicago polymorpha L. -- Burclover,

         Nassella trichotoma (Nees.) Hack. -- Serrated tussock,

         Onopordum acanthium L. -- Scotch thistle,

         Orobanche ramosa L. -- Branched broomrape,

         Panicum repens L. -- Torpedo grass,

         Peganum harmala L. -- African rue (Syrian rue),

         Pennisetum ciliare (L.) Link – Buffelgrass,

         Portulaca oleracea L. -- Common purslane,

         Rorippa austriaca (Crantz.) Bess. ‑‑ Austrian fieldcress,

         Salvinia molesta -- Giant Salvinia,

         Senecio jacobaea L. -- Tansy ragwort,

         Solanum carolinense L. ‑‑ Carolina horsenettle,

         Sonchus arvensis L. ‑‑ Perennial sowthistle,

         Solanum viarum Dunal -- Tropical Soda Apple,

         Stipa brachychaeta Godr. -- Puna grass,

         Striga spp. -- Witchweed,

         Trapa natans L. -- Water-chestnut,

         Tribulus terrestris L. -- Puncturevine.

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