R68-9-3. Designation and Publication of State Noxious Weeds

(1) The department designates and publishes noxious weeds into five classes. (2) Noxious and invasive weeds listed in Table 1 are Class 1A: EDRR Watch List. They are declared to be: (a) not native to Utah; (b) not known to exist in the state; (c) a serious threat to the state; and (d) a very high priority if identified in the state. TABLE 1 Class 1A (EDRR Watch List) Weed Name Binomial Name Common crupina Crupina vulgaris Mediterranean sage Salvia aethiopis Plumeless thistle Carduus acanthoides Small bugloss Anchusa arvensis Spring millet Milium vernale Syrian bean caper Zygophyllum fabago (3) Noxious and invasive weeds listed in Table 2 are Class 1B: EDRR. They are declared to be: (a) not native to Utah; (b) known to exist in the state in very limited populations; (c) a serious threat to the state; and a very high priority. TABLE 2 Class 1B (EDRR) Weed Name Binomial Name African mustard Brassica tournefortii African rue Peganum harmala Blueweed (Vipers bugloss) Echium vulgare Camelthorn Alhagi maurorum Common St. Johnswort Hypericum perforatum Cutleaf vipergrass Scorzonera laciniata Elongated mustard Brassicas elongate Eurasian watermilfoil Myriophyllum spicatum L. Garlic mustard Alliaria petiolate Giant reed Arundo donax Goat's rue Galega officinalis Japanese knotweed Polygonum cuspidatum Malta starthistle Centaurea melitensis Oxeye daisy Leucanthemum vulgare Parrot feather Myriophyllum aquaticum Purple starthistle Centaurea calcitrapa Ventenata (North African grass) Ventenata dubia (4) Noxious and invasive weeds listed in Table 3 are Class 2: Control. They are declared to be: (a) not native to Utah; (b) a threat to the state; and (c) a high priority for control. (i) Weeds listed in the control list are known to exist in varying populations throughout the state. (ii) The concentration of these weeds is at a level where control or eradication may be possible. TABLE 3 Class 2 (Control) Weed Name Binomial Name Black henbane Hyoscyamus niger Dalmatian toadflax Linaria dalmatica Diffuse knapweed Centaurea diffusa Dyer's woad Isatis tinctoria Leafy spurge Euphorbia esula Medusahead Taeniatherum caput-medusae Purple loosestrife Lythrum salicaria Rush skeleton weed Chondrilla juncea Spotted knapweed Centaurea stoebe Squarrose knapweed Centaurea virgata Yellow starthistle Centaurea solstitialis Yellow toadflax Linaria vulgaris (5) Noxious and invasive weeds listed in Table 4 are Class 3: Containment. They are declared to be: (a) not native to Utah; and (b) widely spread. (i) Weeds listed in the containment noxious weeds list are known to exist in various populations throughout the state. (ii) Weed control efforts may be directed at reducing or eliminating new or expanding weed populations. (iii) A County Weed Control Board may determine known and established weed populations and manage them according to any approved weed control methodology. (iv) Class 3 weeds threaten the agricultural industry and agricultural products. (v) The department does not consider Bermudagrass as a noxious and invasive weed in Washington County and it is not subject to Title 4, Chapter 17 Utah Noxious Weed Act within Washington County. (vi) Triploid hybrid Bermudagrass purchased from a producer certified with the Utah Crop Improvement Association and the Nursery Inspection program is allowed for commercial and private uses throughout Utah. TABLE 4 Class 3 (Containment) Weed Name Binomial Name Bermudagrass* Cynodon dactylon Canada thistle Cirsium arvense Field bindweed (Wild Morning-glory) Convolvulus spp. Hoary cress (globe-podded) Lepidium draba (Cardaria draba) Hoary cress (heart-podded) Lepidium chalepense (Cardaria chalepensis) Hoary cress (lens-podded) Lepidium appelianum (Cardaria pubescens) Houndstongue Cynoglossum officianale Jointed goatgrass Aegilops cylindrica Musk thistle Carduus nutans Perennial pepperweed (Tall whitetop) Lepidium latifolium Perennial Sorghum spp. Including: Johnson grass Columbus grass Sorghum halepense Sorghum almum Phragmites (Common reed) Phragmites australis ssp. Poison hemlock Conium maculatum Puncturevine (Goathead) Tribulus terrestris Quackgrass Elymus repens Russian knapweed Acroptilon repens Scotch thistle (Cotton thistle) Onopordum acanthium Tamarisk (Saltcedar) Tamarix ramosissima * Bermudagrass (Cynodon dactylon) may not be considered a noxious weed in Washington County. Triploid Hybrid Bermudagrass is not considered a noxious weed in Utah. (6) Noxious and invasive weeds listed in Table 5 are Class 4: Prohibited for sale or propagation. They are declared to be: (a) not native to Utah; and (b) a threat to the state through retail sales or propagation in the nursery and greenhouse industry. (i) The department designates annual, biennial, or perennial plants that have the potential or are known to be detrimental to human or animal health, the environment, public roads, crops, or other property as prohibited noxious weeds. (ii) Section R68-8-2 Prohibited Noxious Weed Seeds and Restricted Weed Seeds are listed. TABLE 5 Class 4 (Prohibited) Weed Name Binomial Name Cogongrass (Japanese blood grass) Imperata cylindrica Dames Rocket Hesperis matronalis Myrtle spurge Euphorbia myrsinites Russian olive Elaeagnus angustifolia Scotch broom Cytisus scoparius (7) Tables 1, 2, 3, 4, and 5 list the weeds officially designated and published as noxious weeds for Utah. Each county may have different priorities regarding specific state designated noxious weeds and may reprioritize these weeds for the county weed list.