Crook County Declared Weeds

Bull thistle (Cirsium vulgare (Savi) Ten.)

Great plains yucca (Yucca glauca Nutt.)

Wild licorice (Glycyrrhiza lepidota Pursh)

Common mullein (Verbascum thapsus L.)

Plains pocket gopher (Geomys bursarius (Shaw))

Sulphur cinquefoil (Potentilla recta L.)


Common Cocklebur (Xanthium strumarium)


Buffalobur (Solanum rostratum)