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Invasive Species Management
Noxious Weeds
Yellow / Orange Weeds
Yellow / Orange Weeds
Yellow / Orange Weeds
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Chinese Clematis
Clematis orientalis
Common Mullein
Verbascum thapsus
Common Tansy
Tanacetum vulgare
Dalmatian Toadflax
Linaria dalmatica
Dyer's Woad
Isatis tinctoria
Leafy Spurge
Euphorbia esula
Moth Mullein
Verbascum blattaria
Myrtle Spurge
Euphorbia myrsinites
Orange Hawkweed
Hieracium aurantiacum
Perennial Sowthistle
Sonchus arvensis
Details coming soon
Puncturevine
Tribulus terrestris
Details coming soon
Scotch Broom
Cytisus scoparius
Details coming soon
St. Johnswort
Hypericum perforatum
Sulfur Cinquefoil
Potentilla recta
Swainsonpea
Sphaerophysa salsula
Details coming soon
Yellow Flag Iris
Iris pseudacorus
Details coming soon
Yellow Starthistle
Centaurea solstitialis
Yellow Toadflax
Linaria vulgaris
Noxious Weed Information
Impacts
IPM
Landowner Responsibility
Monthly Work Plan - Noxious Weeds
Noxious Weed Identification
Arundo - Giant Reed
Black Henbane
Bouncingbet
Bull Thistle
Canada Thistle
Cheatgrass
Chicory
Chinese Clematis
Common Mullein
Common Tansy
Cypress Spurge
Dalmatian Toadflax
Dames Rocket
Diffuse Knapweed
Dyer's Woad
Eurasian Watermilfoil
Field Bindweed
Garlic Mustard
Hairy Willow-Herb
Hoary Cress
Houndstongue
Jointed Goatgrass
Knotweed
Leafy Spurge
Moth Mullein
Musk Thistle
Myrtle Spurge
Orange Hawkweed
Oxeye Daisy
Perennial Pepperweed
Perennial Sowthistle
Plumeless Thistle
Poison Hemlock
Puncturevine
Purple Loosestrife
Redstem Filaree
Russian knapweed
Russian Olive
Saltcedar - Tamarisk
Scentless Chamomile
Scotch Thistle
Spotted Knapweed
St. Johnswort
Sulfur Cinquefoil
Teasel
Tree of Heaven
Yellow Starthistle
Yellow Toadflax
Yellow Flag Iris
Understanding Eradication
List A
List B
List C - Control Recommended
Watch List
Blue / Green Weeds
Pink / Purple Weeds
White Weeds
Yellow / Orange Weeds
Noxious Weed Links
Weed of the Month
Colorado Noxious Weed Awareness Campaign
What You Can Do
Cost Share
Local Contacts
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