Aggressive Native Plants

Trees

Big-toothed aspen (Populus grandidentata)

Boxelder (Acer negundo)

Kitty Kohout

Gary Fewless

Eastern cottonwood (Populus deltoides)

Derek Anderson

Eastern red-cedar (Juniperus virginiana)H

owar

d F

. S

chw

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olor

ado

Sta

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Keith Kanoti, Maine Forest Service, Bugwood.org

Honey locust (Gleditsia triacanthos)

Quaking aspen (Populus

tremuloides)

Christopher Noll Derek Anderson

Kenneth Sytsma

Aggressive Native Plants

Shrubs

Gray dogwood (Cornus racemosa)

Merel BlackPaul Drobot

Merel Black

Prickly ash (Zanthoxylum americanum)

Christopher Noll

Red osier dogwood (Cornus stolinifera)

Courtney LeClair

Smooth sumac (Rhus glabra)

Kenneth Sytsma

Merel Black

Staghorn sumac (Rhus hirta)

Robert Bierman

Aggressive Native Plants

Vines

Ground nut (Apios americana)

Christopher Noll

Merel Black

Merel Black

Merel Black

Poison ivy (Toxicodendron radicans)

Christopher Noll

Robert W. Freckmann

Aggressive Native Plants

Forbs

Bracken fern (Pteridium aquilinum)

Matthew Wagner

Canada goldenrod (Solidago canadensis)

Christopher Noll

Joshua Nemec

Merel Black

Merel Black

Common ragweed (Ambrosia artemisiifolia)

Ohio S

tate Weed Lab A

rchive, The O

hio State U

niversity, Bugw

ood.org

Steve D

ewey, U

tah State U

niversity, Bugw

ood.org

Merel Black

Paul Drobot

Paul Drobot

Giant ragweed (Ambrosia trifida)

Chris Evans, River to River CWMA, Bugwood.org Paul Drobot

Theodore Webster, USDA Agricultural Research Service, Bugwood.org

Heal-all (Prunella vulgaris)

Kenneth J. Sytsma

Stinging nettle (Urtica dioica) © J R Crellin 2004

Robert V

idéki, Doronicum

Kft., B

ugwood.org

Richard O

ld, XID

Services, Inc., B

ugwood.org

John Cardina, T

he Ohio S

tate University, B

ugwood.org

Virginia waterleaf (Hydrophyllum virginianum)

Paul Drobot

Paul Drobot

Merel Black

White snakeroot (Ageratina altissima)

Merel Black

Merel Black

Wood nettle (Laportea canadensis)

Christopher Noll

Christopher Noll