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
artz
, C
olor
ado
Sta
te U
nive
rsity
, B
ugw
ood.
org
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