Poison Sumac Map – Her kisses are kisses of death. There’s another kind of toxic shrub called poison sumac (Toxicodendron vernix). Poison sumac is also colloquially known as thunderwood and these shrubs are . It may grow white or yellow berries. Image Credit: Keith Kanoti of Maine Forest Service, CC BY 3.0, Wikimedia Commons. Poison Sumac is considered more poisonous than Poison Oak and Poison Ivy, despite .

Poison Sumac Map

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Poison Sumac: How to Identify It, and What to Do If You’ve Been

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Prevalence of Poison Ivy, Oak, & Sumac in the United States : r

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Poisonous Plants: Geographic Distribution | NIOSH | CDC

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A Guide to Poison Ivy, Poison Oak, & Poison Sumac | Outdoor Blog

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Poison Ivy, Poison Oak, Poison Sumac: Maps poison ivy.org

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A Guide to Poison Ivy, Poison Oak, & Poison Sumac | Outdoor Blog

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Poison Ivy, Poison Oak, Poison Sumac: Maps poison ivy.org

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Across the Map: Uncovering the Geographical Distribution of Poison

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Poisonous Plants: Geographic Distribution | NIOSH | CDC

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Poison Sumac Map Poisonous Plants: Geographic Distribution | NIOSH | CDC: What causes rashes from poisonous plants? Poison ivy, poison oak and poison sumac belong to a group of plants which commonly cause allergic skin reactions. These plants typically cause a rash when . Poison ivy, poison oak, and poison sumac all have sap containing an oil known as urushiol. Most, but not all, people are allergic to urushiol which is what causes the notable red and itchy rash. .