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Noxious Weed Information
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Printed Materials
Booklets
Biological Control of Leafy Spurge (PDF)
Herbicide Control of Leafy Spurge (PDF)
Multi-Species Grazing of Leafy Spurge (PDF)
Brochures
A Guide to Invasive, Ornamental Weeds (PDF)
Absinthe Wormwood (PDF)
Thistles - The Silent Invasion (PDF)
Warning - Danger in the Field (PDF)
What are Noxious Weeds Doing to Colorado (PDF)
What You Should Know About Rare Plants in Pitkin County (PDF)
Noxious Weed Factsheets
MeadowKnapweed.pdf
OrangeHawkweed.pdf
MyrtleSpurge.pdf
YellowStarthistle.pdf
CanadaThistle.pdf
YellowToadflax.pdf
PlumelessThistle.pdf
HoaryCress(white top).pdf
Dames rocket.pdf
Poison hemlock.pdf
LeafySpurge.pdf
DalmatianToadflax.pdf
Pitkin County Materials
Range and Pasture Weed Management (PDF)
Pitkin County Revegetation Guide (PDF)
Pitkin County Weed Management Plan (PDF)
Private Applicators 2017.pdf
Weed Advisory Board
Herbicide Information
Printed Materials
Weed Management Plan
Weed Species with Descriptions
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