Poison sumac is a type of plant that can cause an allergic skin reaction, such as a rash. There are a variety of over-the-counter (OTC) treatments available for relieving symptoms. Poison sumac, ...

Poisonous plants are present in most cultivated gardens. Even very common plants that grow from ornamental bulbs have the capacity to poison if eaten. Poisonous plants include poison oak, daffodils, ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Poison is a well-known defense mechanism in the animal ...

Copper is poisonous at certain doses but it is really essential for life and health in lower doses. This post is from Observer Short List—an email of three favorite things from people you want to know ...

The N.C. State Cooperative Extension Service recently updated its online Poisonous Plants database to include a whopping 624 different entries — occupying every category of plants, from trees and ...

Toxic and poisonous plants grow in Michigan, including giant hogweed, poison ivy, poison oak, wild parsnip, poison sumac and poison hemlock. Contact with the plants can cause skin irritation, blisters ...