If you're spending time in California, you may encounter this unassuming but poisonous plant. It's easy to misidentify, so ...

Poodle-dog bush thrives in Southern California mountains after wildfires. It's pretty but petting it can result in a severe ...

Oregon and California. The plant grows in shady and wet regions. The flowers are bell-shaped and purple in color. The plant is highly poisonous due to the presence of psychoactive tropane ...

Water hemlock is considered the deadliest plant in North America, and these poison parsnips have caused at least two ...

My favorite way of enjoying nature is to watch small changes unfold over the seasons, to visit the same tree for example, ...

Toxic plants can be found not only in parks and wilderness areas, but also in gardens and homes. These plants either have ...

Many of these plants are so rare that some botanists never see them despite spending time in the field. Many natives make ...

Just thinking about poison ivy can make you itch. Blistering rashes on your arms and ankles, oozing bumps between your fingers and eyelid-swelling exposures are all-too-familiar summer hazards.

Algae blooms can be dangerous, as they often release substances poisonous to humans and other animals. But recently in California ... which feeds the algae just like it feeds plants on land.While ...