OHIO’S 10 GRR-ARGH-IEST PLANTS
(Invasive Plants of Ohio)

According to the Ohio Department of Natural Resources (ODNR:  LINK HERE) these are the 10 most horrible terrible awful no-good nasty plants in all of Ohio. Detailed information about them can be gotten from the downloadable brochure fom that website (.pdf: LINK HERE). The following are illustrations to help you identify the creeps.

AUTUMN-OLIVE (Elagnus umbellata)

autumn olive

autumn olive

BUSH HONEYSUCKLES
(Amur honeysuckle, Lonicera mackii; Tartarian honeysuckle L. tartarica)

amur honeysuckle plant

amur honeysuckle plant

amur honeysuckle flower

amur honeysuckle flower

Tartarian honeysuckle flower

Tartarian honeysuckle flower

 BUCKTHORNS
(glossy buckthorn, Rhamnus frangula; common buckthorn, R. catharticus)

glossy buckthorn

glossy buckthorn

common buckthorn

common buckthorn

COMMON REED GRASS (Phragmites australis)

phragmites habitat

phragmites habitat

phragmites

phragmites

GARLIC MUSTARD (Alliaria petiolata)

garlic mustard

garlic mustard

JAPANESE HONEYSUCKLE (Lonicera japonica)

Japanese honeysuckle

Japanese honeysuckle

Japanese honeysuckle flower

Japanese honeysuckle flower

JAPANESE KNOTWEED (Polygonum cuspidatum)

Japanese knotweed habitat

Japanese knotweed habitat

Japanese knotweed

Japanese knotweed

MULTIFLORA ROSE (Rosa multiflora)

multiflora rose

multiflora rose

multiflora rose flowers

multiflora rose flowers

multiflora rose stipules

multiflora rose stipules

PURPLE LOOSESTRIFE (Lythrum salicaria)

purple loosestrife

purple loosestrife

purple loosestrife flower (long-styled form)

purple loosestrife flower (long-styled form)

purple loosestrife flower (mid-styled form)

purple loosestrife flower (mid-styled form)

purple loosestrife flower (short-styled form)

purple loosestrife flower (short-styled form)

REED CANARY GRASS (Phalaris arundinacea)

reed canary grass

reed canary grass

reed canary grass flowers

reed canary grass flowers

reed canary grass ligule

reed canary grass ligule