8/9/2019 Utah Back Country Weeds flyer

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BACKCOUNTRY WEEDSOFTHE

WASATCH FRONT

This identification guide highlights several invasiveplants in Utah that cause economic and ecologicaldamage to forests, range and wildlands. Many of theplants listed below can be found in the Salt Lake Val-ley, but are not yet widespread in our canyons andmountains.

Invasive and noxious weeds alter native plant commu-nities and displace wildlife. When weeds are detectedearly they can be more easily contained or removedbefore permanent ecological damage occurs.

Learn how to prevent, report, and control these inva-

sive plants by visiting www.weeds.slco.org

Leafy Spurgeuphorbia esula

A deep rooted perennial with toxic properties. Grows in arange of habitats from riparian areas to dry rocky slopes.

Yellow Starthistleentaurea solstitialis

A spine covered annual with yellow flowers & wingedstems. Grows on arid lands such as rangeland & pastures.

Clusters of yellowgreenflowers

Long narrow leaves contain awhite milky sap

Yellow dandelion like flowers

1-2 inch long spines

Wooly ridged stems

Steve Dewey, USU

m Gores, Teton County Weed & Pest

f Schalau, ASU

BACKCOUNTRY WEEDSOFTHE

WASATCH FRONT

This identification guide highlights several invaplants in Utah that cause economic and ecologdamage to forests, range and wildlands. Many oplants listed below can be found in the Salt Lake ley, but are not yet widespread in our canyons mountains.

Invasive and noxious weeds alter native plant comnities and displace wildlife. When weeds are deteearly they can be more easily contained or remobefore permanent ecological damage occurs.

Learn how to prevent, report, and control these in

sive plants by visiting www.weeds.slco.o

Leafy SpurgeEuphorbia esula

A deep rooted perennial with toxic properties. Grows inrange of habitats from riparian areas to dry rocky slopes

Yellow StarthistleCentaurea solstitialis

A spine covered annual with yellow flowers & wingedstems. Grows on arid lands such as rangeland & pastur

Clusters of yellowgreenflowers

Long narrow leaves contawhite milky sap

Yellow dandelion like flow

1-2 inch long spines

Wooly ridged stems

Steve Dew

Jim Gores, Teton County Weed & Pest

Jeff Schalau, ASU

8/9/2019 Utah Back Country Weeds flyer

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A 2-3 ft tall perennial with waxy leaves & yellow flowers.Grows in dry rocky soils on rangeland & disturbed areas.

A 4 ft tall perennial with branching stems. Grows in arange of habitats from moist riparian areas to dry slopes.

A 15 ft tall biennial with yellow flowers & bluish greeneaves . Grows just about everywhere.

Dalmatian Toadflaxinaria genistifolia

Created by the Bonneville CWMA with funding provided by the Pulling Together Initia tive,the Utah BLM, & the Salt Lake Soil Conservation District

potted Knapweedentaurea maculosa

Dyers Woadsatis tinctoria

Yellow snapdragon shapedflowers

Heart-shapedwaxy leaves

Dark spotsbelow theflower heads

Pink to purple flower headson gray hairy stems

Black seed podsform in JuneJuly

Yellow flowers and bluishgreen leaves with a distinc-tive white midrib

Mandy Tu, The Nature Conservancy

niversity of Idaho Archives, U of I, www.insect.images.org

Steve Dewey, USU

Steve Dewey, USU

nnie Rasmussen, Oregon Dept. of Agriculture

King County NoxiousWeed Program

A 2-3 ft tall perennial with waxy leaves & yellow flowGrows in dry rocky soils on rangeland & disturbed area

A 4 ft tall perennial with branching stems. Grows irange of habitats from moist riparian areas to dry slopes

A 15 ft tall biennial with yellow flowers & bluish grleaves . Grows just about everywhere.

Dalmatian ToadflaxLinaria genistifolia

Created by the Bonneville CWMA with funding provided by the Pulling Together Initia tive,the Utah BLM, & the Salt Lake Soil Conservation District

Spotted KnapweedCentaurea maculosa

Dyers WoadIsatis tinctoria

Yellow snapdragon shapedflowers

Heart-shapedwaxy leaves

Dark spotsbelow theflower heads

Pink to purple flower headon gray hairy stems

Black seed podsform in JuneJuly

Yellow flowers and bluigreen leaves with a distitive white midrib

Mandy Tu, The Nature Conservancy

University of Idaho Archives, U of I, www.insect.images.org

Steve Dew

Steve Dew

Bonnie Rasmussen, Oregon Dept. of Agriculture

King County NWeed P