Prohibited & Restricted Noxious Weeds


(A) The following are prohibited noxious weeds:
  • Bindweed, field (Convolvulus arvensis);
  • Fieldcress, Austrian (Rorippa austriaca):
  • Galensoga (Galensoga parviflora);
  • Hempnettle (Galeopsis tetrahit);
  • Horsenettle (Solanum carolinense);
  • Knapweed, Russian (Acroptilon repens);
  • Lettuce, blue-flowering (Lactuca pulchella);
  • Quackgrass (Elymus repens);
  • Sowthistle, perennial (Sonchus arvensis);
  • Spurge, leafy (Euphorbia esula);
  • Thistle, Canada (Cirsium arvense); and
  • 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;
  • Oats, wild (Avena fatua), seven seeds per pound;
  • Plantain, buckhorn (Plantago sp.), 90 seeds per pound;
  • Radish (Raphanus raphanistrum), 27 seeds per pound;
  • Toadflax, yellow (Linaria vulgaris), one seed per pound;
  • Vetch, tufted (Vicia cracca), two seeds per pound; and
  • 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