After its near eradication, invasive weed is flourishing again, (Register Guard, 8/13/2011)
Tansy ragwort (Senecio jacobaea) [PDF], (2009), Oregon. Noxious Weed Control Program
Entries Tagged as 'Noxious Weed Control Program'
Tansy ragwort
August 16th, 2011 · No Comments · Noxious Weed Control Program
Tansy ragwort outbreak
May 2nd, 2011 · No Comments · Dept. of Corrections, Noxious Weed Control Program
Tansy outbreak sparks concern (Statesman Journal, 4/30/2011)
Noxious weeds-tansy ragwort [PDF] (2008) Oregon Department of Corrections
Tansy ragwort (Senecio jacobaea) [PDF] (2009) Oregon Noxious Weed Control Program
Tansy ragwort
September 10th, 2010 · No Comments · Noxious Weed Control Program
Toxic weed alert: Tansy ragwort is flourishing this year, and that means trouble (The Oregonian, 9/2/10)
Tansy ragwort (Senecio jacobaea) [PDF] (2009)
Oregon Department of Agriculture, Plant Division, Noxious Weed Control Program
Lesser celandine
April 1st, 2010 · No Comments · Noxious Weed Control Program
Pretty yellow flower doubles as noxious weed (The Register-Guard, 3/19/10)
Lesser celandine: ranunculus ficaria: beautiful invader! [PDF] (2009)
Oregon Department of Agriculture, Plant Division, Noxious Weed Control Program
Noxious weeds quarantine
March 9th, 2010 · No Comments · Noxious Weed Control Program
Under quarantine: Ivy, butterfly bush, Scotch broom and their cultivars face tough new state rules (The Oregonian, 3/3/10)
English ivy [PDF] (2009)
Oregon Department of Agriculture, Plant Division, Noxious Weed Control Program
Butterfly bush [PDF] (2007)
Oregon Department of Agriculture, Plant Division, Noxious Weed Control Program
Scotch broom [PDF] (2008)
Oregon Department of Agriculture, Plant Division, Noxious Weed Control Program
