Noxious Weed Images
ABSINTH WORMWOOD
Scientific name: Artemisia absinthium
Photos: Chris Evans, Univeristy of Georgia, www.forestryimages.com & Kelly Uhing
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AFRICAN RUE
Scientific name: Peganum harmala
Photos: CSU Extension, Kelly Uhing, Adams County Weed Program
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BLACK HENBANE
Scientific name: Hyoscyamus niger
Photos: Kelly Uhing & Mary Ellen Harte, www.forestryimages.com
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BOUNCING BET
Scientific name: Saponaria officinalis
Photos: Kelly Uhing & Dave Powell, USDA Forest Service, www.forestryimages.com
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BULL THISTLE
Scientific name: Cirsium vulgare
Photos: Kelly Uhing & Steve Dewey, Utah State University & UAF Cooperative Extension Archives, University of Alaska; www.forestryimages.com
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CANADA THISTLE
Scientific name: Cirsium arvense
Photos: Kelly Uhing & Steve Dewey, Utah State University & Chris Evans, University of Georgia; www.forestryimages.com
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CHICORY
Scientific name: Cichorium intybus
Photos: Kelly Uhing & Chris Evans, University of Georgia & David Cappaert, US Forest Service; www.forestryimages.com
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CHINESE CLEMATIS
Scientific name: Clematis orientalis
Photos: Kelly Uhing & Irene Shonle, Colorado State University Extension
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COAST TARWEED
Scientific name: Madia sativa
Photos: www.berkeley.edu & www.stanford.edu
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COMMON BURDOCK
Scientific name: Arctium minus
Photos: Kelly Uhing
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COMMON CRUPINA
Scientific name: Crupina vulgaris
Photos: Steve Dewey, Utah State University; USDA APHIS PPQ Archives, USDA APHIS; Utah State University Archives; www.forestryimages.com
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COMMON GROUNDSEL
Scientific name: Senecio vulgaris
Photos: Steve Dewey, Utah State University, & John Byrd www.forestryimages.com .
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COMMON MULLEIN
Scientific name: Verbascum thapsus
Photos: John D. Byrd, Mississippi State University & Mary Ellen Harte, www.forestryimages.com & Kelly Uhing
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COMMON ST. JOHNSWORT
Scientific name: Hypericum perforatum
Photos by: Steve Dewey, Utah State University & Michael Shephard, USDA Forest Service;
www.forestryimages.com & Kelly Uhing
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COMMON TANSY
Scientific name: Tanacetum vulgare
Photos: Kelly Uhing
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COMMON TEASEL
Scientific name: Dipsacus fullonum
Photos: Steve Dewey, Utah State University, www.forestryimages.com & Kelly Uhing
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CYPRESS SPURGE
Scientific name: Euphorbia cyparissias
Photos: Kelly Uhing
DAME'S ROCKET
Scientific name: Hesperis matronalis
Photos: www.dnr.state.wi.us & Colorado State University Cooperative Extension & Kelly Uhing
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DOWNY BROME (CHEATGRASS)
Scientific name: Bromus tectorum
Photos by: Chris Evans, University of Georgia & Tom Heutte, USDA Forest Service; www.forestryimages.com
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DYER'S WOAD
Scientific name: Isatis tinctoria
Photos by: Steve Dewey, Utah State University, www.forestryimages.com & Weber County, Colorado
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FLIXWEED
Scientific name: Descurainia sophia
Photos by: Tom Heutte, USDA Forest Service & Mary Ellen Harte, www.forestryimages.com
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GIANT SALVINIA
Scientific name: Salvinia molesta
Photos: Scott Bauer, USDA Agri Research Service; Scott Robinson, Georgia Department of Natural Resource, & Troy Evans; www.forestryimages.com
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GREEN FOXTAIL
Scientific name: Setaria viridis
Photos: Steve Dewey, Utah State University & Wendy VanDyk Evans; www.forestryimages.com
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HOUNDSTONGUE
Scientific name: Cynoglossum officinate
Photo: unknown
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HYDRILLA
Scientific name: Hydrilla hydrilla
Photos: Chris Evans, University of Georgia & USDA AHPIS PPQ; www.forestryimages.com
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JOINTED GOATGRASS
Scientific name: Aegilops cylindrica
Photos: Kelly Uhing & Steve Dewey, Utah State University
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MEDITERRANEAN SAGE
Scientific name: Salvia aethiopis
Photos: Eric Coombs, Oregon Department of Agriculture, www.forestryimages.com
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MOTH MULLEIN
Scientific name: Verbascum blattaria
Photo: Kelly Uhing
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ORANGE HAWKWEED
Scientific name: Hieracium aurantiacum
Photos: Michael Shephard, USDA Forest Service & Montana Statewide Noxious Weed Awareness & Education Program Archives & Kelly Uhing
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PLUMLESS THISTLE
Scientific name: Carduus acanthoides
Photos: Kelly Uhing & Gary L. Piper, Washington State University; www.forestryimages.com
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POISON HEMLOCK
Scientific name: Conium maculatum
Photos: Kelly Uhing
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RUSH SKELETONWEED
Scientific name: Chondrilla juncea
Photo: Unknown and Utah State University Archives
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RUSSIAN KNAPWEED
Scientific name: Centaurea repens
Photos: Steve Dewey, Utah State University, www.forestryimages.com & Adams County Weed Program (Colorado)
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RUSSIAN-OLIVE
Scientific name: Elaeagnus angustifolia
Photos: Kelly Uhing
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SCENTLESS CHAMOMILE
Scientific name: Anthemis arvensis
Photo: Kelly Uhing
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SCOTCH THISTLE
Scientific name: Onopordum acanthium
Photos: Kelly Uhing
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SQUARROSE KNAPWEED
Scientific name: Centaurea virgata
Photos: Steve Dewey, Utah State University
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SULFUR CINQUEFOIL
Scientific name: Potentilla recta
Photos: Kelly Uhing
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TANSY RAGWORT
Scientific name: Senecio jacobaea
Photos: Kelly Uhing & Utah State University Archives; www.forestryimages.com
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VENICE MALLOW
Scientific name: Hibiscus trionum
Photo: "Weeds of California and other Western states"
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YELLOW STARTHISTLE
Scientific name: Centaurea solstitialis
Photos: Kelly Uhing & Steve Dewey, Utah State University; www.forestryimages.com
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YELLOW TOADFLAX
Scientific name: Linaria vulgaris
Photos: Colorado State University Cooperative Extension Services & Irene Shonle, CSU extension.
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