noxious weeds

Noxious weeds and farming

Fight over noxious weeds pits Oregon organic farm against Sherman County (Oregonian, 5/16/2017)

Weed control supervisor gave organic farm control options; farmer says they’ve tried (Capital Press, 5/15/2017)

Economic impact from selected noxious weeds in Oregon (2014) Oregon Department of Agriculture

Canada thistle (Cirsium arvense) (2015) Oregon Department of Agriculture

Invasive Aquatic Weed

South American aquatic weed is here to stay at Eugene’s Delta Ponds, but city succeeds in substantially knocking it back (Register Guard, 8/11/16)

WaterprimroseWaterprimrose (Ludwigia hexapetala, peploides) [PDF] (2015) Oregon Noxious Weed Control Program

AquaticInvaderWater primrose (Ludwigia spp.) : aquatic invader! [PDF] (2011) Oregon Noxious Weed Control Program