Utah Administrative Code
Topic - Agriculture and Food
Title R68 - Plant Industry
Rule R68-9 - Utah Noxious Weed Act
Section R68-9-3 - Designation and Publication of State Noxious Weeds

Universal Citation: UT Admin Code R 68-9-3

Current through Bulletin 2024-06, March 15, 2024

(1) Noxious weeds are designated and published 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.

(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.

(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.

(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.

(6) Noxious and invasive weeds listed in Table 4 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 sale 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) Prohibited and restricted noxious weed seeds are listed in Section R68-8-2.

(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 are able to reprioritize these weeds for their own needs.

TABLE 1

Class 1A (EDRR Watch List)

Weed Name

Binomial Name

Common crupina

Crupina vulgaris

Small bugloss

Anchusa arvensis

Mediterranean sage

Salvia aethiopis

Spring millet

Milium vernale

Syrian bean caper

Zygophyllum fabago

Plumeless thistle

Carduus acanthoides

TABLE 2

Class 1B (EDRR)

Weed Name

Binomial Name

African rue

Peganum harmala

Camelthorn

Alhagi maurorum

Garlic mustard

Alliaria petiolate

Purple starthistle

Centaurea calcitrapa

Goat's rue

Galega officinalis

African mustard

Brassica tournefortii

Giant reed

Arundo donax

Japanese knotweed

Polygonum cuspidatum

Blueweed (Vipers bugloss)

Echium vulgare

Elongated mustard

Brassica elongate

Common St. Johnswort

Hypericum perforatum

Oxeye daisy

Leucanthemum vulgare

Cutleaf vipergrass

Scorzonera laciniate

Ventenata (North African grass)

Ventenata dubia

Malta starthistle

Centaurea melitensis

TABLE 3

Class 2 (Control)

Weed Name

Binomial Name

Leafy spurge

Euphorbia esula

Medusahead

Taeniatherum caput-medusae

Rush skeletonweed

Chondrilla juncea

Spotted knapweed

Centaurea stoebe

Purple loosestrife

Lythrum salicaria

Squarrose knapweed

Centaurea virgata

Dyers woad

Isatis tinctoria

Yellow starthistle

Centaurea solstitialis

Yellow toadflax

Linaria vulgaris

Diffuse knapweed

Centaurea diffusa

Black henbane

Hyoscyamus niger

Dalmation toadflax

Linaria dalmatica

TABLE 4

Class 3 (Containment)

Weed Name

Binomial Name

Russian knapweed

Acroptilon repens

Houndstounge

Cynoglossum officianale

Perennial pepperweed (Tall whitetop)

Lepidium latifolium

Phragmites (Common reed)

Phragmites australis ssp.

Tamarisk (Saltcedar)

Tamarix ramosissima

Hoary cress (globe-podded)

Lepidium draba (Cardaria draba)

Hoary cress (heart-podded)

Lepidium chalepense (Cardaria chalepensis)

Hoary cress (lens-podded)

Lepidium appelianum (Cardaria pubescens)

Canada thistle

Cirsium arvense

Poison hemlock

Conium maculatum

Musk thistle

Carduus nutans

Quackgrass

Elymus repens

Jointed goatgrass

Aegilops cylindrica

Bermudagrass*

Cynodon dactylon

Perennial Sorghum spp. Including:

Johnson grass

Sorghum halepense

Columbus grass

Sorghum almum

Scotch thistle (Cotton thistle)

Onopordum acanthium

Field bindweed (Wild Morning-glory)

Convolvulus spp.

Puncturevine (Goathead)

Tribulus terrestris

* Bermudagrass (Cynodon dactylon) shall not be a noxious weed in Washington County and shall not be subject to Title 4, Chapter 17, the Utah Noxious Weed Act within the boundaries of that county. It shall be a noxious weed throughout any other areas of the state and shall be subject to state laws.

TABLE 5

Class 4 (Prohibited)

Weed Name

Binomial Name

Cogongrass (Japanese blood grass)

Imperata cylindrica

Myrtle spurge

Euphorbia myrsinites

Dames Rocket

Hesperis matronalis

Scotch broom

Cytisus scoparius

Russian olive

Elaeagnus angustifolia

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