Noxious Weed Identification | Summit County, UT - Identify and Report Invasive Plants
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Class 1A
Early Detection rapid response (EDRR)
Plants not known to be in summit county, but thought to be present in neighboring states. if found in the state or county, swift eradication of any plants in this category is a very high priority.
Plants that occur in Summit County at very low levels. They are a high priority to eradicate all known populations and prevent new ones.
Common St Johnswort
Garlic Mustard
Yellow Toadflax
Vipers Bugloss
Medusahead
Leafy Spurge
Tamarisk
Purple Loosestrife
Diffuse Knapweed
Puncturevine
Yellow Star Thistle
Cutleaf Vipergrass
Class 2
Control
Plants that have a reasonable distribution in Summit County, but do not occur everywhere. These should be given a high priority for control.
Dyers Woad
Houndstongue
Oxeye Daisy
Black Henbane
Perennial pepperweed
Russian Knapweed
Spotted Knapweed
Canada Thistle
Musk Thistle
Scotch Thistle
Dalmation ToadFlax
Poison Hemlock
Scentless Chamomile
Mayweed Chamomile
Corn Chamomile
Common Burdock
Hoary Cress
Phragmites
Class 3
Contain
Plants widely distributed in Summit County. The current populations of these plants should be contained to halt their spread. These plants should not enter commercial channels.
Field Bindweed
Quackgrass
Myrtle spurge
Class 4
Prohibited
Plants that are present in Summit County, appear to be arriving in nursery stock/seed, and are being sold as ornamentals. This is now illegal.