Utah's Noxious Weed List

State Noxious Weeds

Bermudagrass

Johnsongrass

Medusahead

Quackgrass

Field Bindweed

Sulfur Cinquefoil

Hoary Cress

Oxeye Daisy

Poison Hemlock

Black Henbane

Houndstongue

St. Johnswort

Diffuse Knapweed

Russian Knapweed

Spotted Knapweed

Squarrose Knapweed

Purple Loosestrife

Perennial Pepperweed

Saltcedar

Leafy Spurge

Yellow Starthistle

Canada Thistle

Musk Thistle

Scotch Thistle

Dalmatian Toadflax

Yellow Toadflax

Dyer's Woad

County Noxious Weeds

Buffalobur

Millard, San Juan

Common Burdock

Morgan

Camelthorn

San Juan

Goatsrue

Cache

Jointed Goatgrass

San Juan

Blue-Flowering Lettuce

Juab

Western Whorled Milkweed

Iron, San Juan, Washington

Silverleaf Nightshade

San Juan

Yellow Nutsedge

Davis

Puncturevine

Cache, Weber

Russian-olive

Carbon, Duchesne, Sevier, Uintah, Wayne

Bull Thistle

Beaver

Velvetleaf

Sanpete