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Photographer: Robert W. Freckmann
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Family Anacardiaceae
Toxicodendron radicans (L.) Kuntze subsp. negundo (Greene) Gillis
common eastern poison-ivy, poison-ivy
Toxicodendron: means "poison tree"
radicans: with rooting stems
Hazardous 
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| Status: | Native |
| Plant: | climbing, perennial, woody vine; stems with centipede-like aerial roots that grasp the host tree |
| Flower: | 5-parted; blooms May-June |
| Fruit: | whitish berry |
| Leaf: | alternate, somewhat shiny, 3-parted, leaflets with large teeth or shallow lobes |
| Habitat: | woods, wood edges, floodplains, openings |
| (Glossary) |
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 Kuntze subsp. negundo (Greene) Gillis&phog=Botanical Illustration&spcode=TOXRADsNEG)
 Kuntze subsp. negundo (Greene) Gillis&phog=Caroline A. Creevey&spcode=TOXRADsNEG)
 Kuntze subsp. negundo (Greene) Gillis&phog=Emmet J. Judziewicz&spcode=TOXRADsNEG)
 Kuntze subsp. negundo (Greene) Gillis&phog=Kenneth J. Sytsma&spcode=TOXRADsNEG)
 Kuntze subsp. negundo (Greene) Gillis&phog=Michael Clayton&spcode=TOXRADsNEG)
 Kuntze subsp. negundo (Greene) Gillis&phog=Merel R. Black&spcode=TOXRADsNEG)
 Kuntze subsp. negundo (Greene) Gillis&phog=Christopher Noll&spcode=TOXRADsNEG)
 Kuntze subsp. negundo (Greene) Gillis&phog=Christopher Noll&spcode=TOXRADsNEG)
 Kuntze subsp. negundo (Greene) Gillis&phog=Peter A. Black&spcode=TOXRADsNEG)
 Kuntze subsp. negundo (Greene) Gillis&phog=Paul E. Berry&spcode=TOXRADsNEG)
