Invasive Weed and Agricultural Pest Management

Prohibited & Restricted Noxious Weeds


(A) The following are prohibited noxious weeds:
  • Field Bindweed (Convolvulus arvensis)
  • Austrian Fieldcress (Rorippa austriaca)
  • Galensoga (Galensoga parviflora)
  • Hempnettle (Galeopsis tetrahit)
  • Horsenettle (Solanum carolinense)
  • Russian Knapweed (Acroptilon repens)
  • Blue-flowering Lettuce (Lactuca pulchella)
  • Quackgrass (Elymus repens)
  • Perennial Sowthistle (Sonchus arvensis)
  • Leafy Spurge (Euphorbia esula)
  • Canada Thistle (Cirsium arvense)
  • Whitetops and its varieties (Cardaria draba, C. pubescens, Lapidium latifolium)
  • Purple Loosestrife (Lythrum salicaria)
  • Orange Hawkweed (Hieracium aurantiacum)




(B) The following are restricted noxious weeds, with their maximum allowable tolerances:
  • Annual Bluegrass (Poa annua), 90 seeds per pound
  • Blue Burr (Lappula echinata), 18 seeds per pound
  • Mustard (Brassica juncea, Sinapis arvensis), 36 seeds per pound
  • Wild Oats (Avena fatua), seven seeds per pound
  • Buckhorn Plantain (Plantago sp.), 90 seeds per pound
  • Radish (Raphanus raphanistrum), 27 seeds per pound
  • Yellow Toadflax (Linaria vulgaris), one seed per pound
  • Tufted Vetch (Vicia cracca), two seeds per pound
  • Wild Buckwheat (Polygonum convolvulus), two seeds per pound

(In effect before 7/28/59; am 3/2/78, Reg. 65; am 10/28/83, Reg. 88)



Authority:AS 03.05 010
AS 03.05.030
AS 44.37.030
11AAC 34.020


Prohibited and Restricted Noxious Weeds - download list in pdf format


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