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flourishing poison ivy is supposedly a byproduct of global warming
Close up of western poison ivy, Toxicodendron rydbergii, growing along canal bank. Glen Echo, Maryland, USA.
Poison sumac, Rhus radicans grows as a shrub, but is also able to climb with its roots
Leaves of three, leave them be! Close-up image of a poison ivy plant in the woods
Poison ivy plant in a forest with pine needles with leaves rim lit by sun low on the horizon behind.
 Poison Ivy (Toxicodendron radicans) is a plant common throughout North America. It contains a toxic clear liquid compound in its sap called urushiol that causes itching and skin rashes, it is to be avoided at all costs.
Poison Ivy, Toxicodendron Radicans, close up view
Close up of a poison ivy plant in North Carolina, USA.
Soft focus on poison ivy leaves in the jungle
Poison ivy (Toxicodendron radicans) is a common plant native to North America.  It is well known for causing allergic reactions in humans due to its potent oil called urushiol. The poison ivy plant is a woody vine or shrub that can vary in appearance depending on its growth environment. It usually has three shiny, almond-shaped leaflets arranged in a cluster, with the middle leaflet having a longer stem than the two side leaflets. The leaves can be green during the spring and summer, turning red or orange in the fall.  This poison ivy plant was photographed by the Arizona Trail in the Coconino National Forest near Flagstaff, Arizona, USA.
Poison Ivy plant, forest floor
Shiny reddish green poison ivy leaves grow in a Cape Cod garden filled with lily of the valley in mid May.  As the seasons progress the leaves will turn green in the summer and bright red in Autumn.
This is poison ivy.  Dont touch.
Jungle leaves background
Poison Oak Leaf blooming In Spring In Northern California  High Quality
Close-up of young growing tropical tree in Chiang Mai province
Poison ivy (Toxicodendron radicans) is a common plant native to North America.  It is well known for causing allergic reactions in humans due to its potent oil called urushiol. The poison ivy plant is a woody vine or shrub that can vary in appearance depending on its growth environment. It usually has three shiny, almond-shaped leaflets arranged in a cluster, with the middle leaflet having a longer stem than the two side leaflets. The leaves can be green during the spring and summer, turning red or orange in the fall.  This poison ivy plant was photographed by the Sinclair Wash Trail in Flagstaff, Arizona, USA.
Large number of poison ivy plants growing in a forest covered in pine needles.
Poison ivy: Toxicodendron radicans (syn. Rhus toxicodendron, Rhus radicans). Distinctive triple leaf structure of poison ivy plant.
Bold view of poison oak's three-leaf arrangement gives warning for hikers to keep away.
Close up of poison Ivy leaves in groups of three with characteristic lobes on leaves. Photo taken at Blackwater River state forest in northwest Florida. Nikon D7200 with Nikon 200mm macro lens.
Image of Close up macro shot of small plants and their green leaves on a forest floor
Close up of the shiny red and green leaves of the toxic, invasive poison ivy plant
A close-up of big green leaves taken in a New York state park.
Toxicodendron diversilobum
Western Poison Oak Leaves Close Up For Plant Identification
Green and red leaves stand on the wall
Close up detail of poison ivy in a natural setting
Dirca occidentalis, or Western Leatherwood, is a deciduous shrub. Huckleberry Botanic Regional Preserve, Oakland, California. Endemic.
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