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The common names of <i>Aconite napellus</i> are true monkshood and officinal aconite. It is the most poisonous species. The flowers are blue and grow on erect stems.

Aconitum Napellus

The common names of Aconite napellus are true monkshood and officinal aconite. It is the most poisonous…

Each aconite flower has five petals. The leaves are shaped like palms. The roots of the plant should not be left around because they are poisonous and could be eaten by a person or animal.

Parts of Aconitum Napellus

Each aconite flower has five petals. The leaves are shaped like palms. The roots of the plant should…

Aconitum variegatum flowers are large and blue. The flowers grown in clusters. Each individual flower has a helmet shape.

Aconitum Variegatum Habit and Flower

Aconitum variegatum flowers are large and blue. The flowers grown in clusters. Each individual flower…

The acataea spicata has white, bluish flowers with black berries. The berries are poisonous. The common name for acataea spicata is baneberry.

Actaea Spicata Habit and Flower

The acataea spicata has white, bluish flowers with black berries. The berries are poisonous. The common…

The fly agaric mushroom, or agaricus muscaricus, is a poisonous mushroom. In fact, the fly agaric mushroom is deadly if eaten.

Fly Agaric Mushroom

The fly agaric mushroom, or agaricus muscaricus, is a poisonous mushroom. In fact, the fly agaric mushroom…

Also known as Amanita phalloides. A deathly poisonous fungus found in Europe.

Death Cup

Also known as Amanita phalloides. A deathly poisonous fungus found in Europe.

Dipsa is a tiny, extremely poisonous snake from Medieval bestiaries. They were said to be said to be so poisonous that their victim would die before becoming aware he'd been bitten.

Dipsa

Dipsa is a tiny, extremely poisonous snake from Medieval bestiaries. They were said to be said to be…

Also know as cicuta maculata. This plant is native to temperate areas of the Northern Hemisphere, and is identified by having small green or white flowers hanging in an umbrella shape. It is considered one of America's most toxic plants to humans.

American Water Hemlock

Also know as cicuta maculata. This plant is native to temperate areas of the Northern Hemisphere, and…

An illustration of a jimson weed.

Jimson weed

An illustration of a jimson weed.

Illustration of a King cobra, <i>Ophiophagus elaps</i>, also called a Shiva snake or Siva snake because it is worn by the Hindu Lord Shiva. <p>"A book name of <i>Ophiophagus elaps</i>, a very large and deadly cobriform serpent of India; so called from its powers of destruction." &mdash;Whitney, 1889

King Cobra

Illustration of a King cobra, Ophiophagus elaps, also called a Shiva snake or Siva snake because it…

An illustration of a broad leaf laurel.

Broad leaf laurel

An illustration of a broad leaf laurel.

Also known as Podophyllum peltatum. They generally reach 2 inches in height, and have 2-3 umbrella-like leaves. The leaves and roots of this plant are poisonous when consumed in large quantities.

Mayapple

Also known as Podophyllum peltatum. They generally reach 2 inches in height, and have 2-3 umbrella-like…

Common oleander is the common name of nerium oleander. The leaves of oleander are lance shaped and taper at both ends. Oleander is extremely poisonous.

Leading Branchlet of Nerium Oleander

Common oleander is the common name of nerium oleander. The leaves of oleander are lance shaped and taper…

An illustration of poison ivy.

Poison ivy

An illustration of poison ivy.

A dense shrub with evergreen leaves and purple flowers, and is used as an ornamental plant. Honey produced with the pollen of the flowers of this plant have been known to be poisonous to human consumption. It is commonly found in Asia.

Rhododendron Ponticum

A dense shrub with evergreen leaves and purple flowers, and is used as an ornamental plant. Honey produced…

A highly poisonous African viper. It's name is derived from the habit of inflating its body when alarmed and at the same time producing a characteristic puffing sound.

Puff-Adder

A highly poisonous African viper. It's name is derived from the habit of inflating its body when alarmed…

A venomous snake with thick red, yellow, and black bands.

Coral Snake

A venomous snake with thick red, yellow, and black bands.

<i>Latrodectus mactans</i>. Spiders are "dimerosomatous - that is, have the body divided into two principal regions, the cephalothorax, or head and chest together, and the abdomen, which is generally tumid or globose...In those species which are poisonous the falces are traversed by the duct of a venom-gland." &mdash;Whitney, 1889

Female Black Widow Spider with a View of the Under Side of the Abdomen

Latrodectus mactans. Spiders are "dimerosomatous - that is, have the body divided into two principal…

An illustration of stemless locoweed.

Stemless locoweed

An illustration of stemless locoweed.

An illustration of a poison sumac.

Poison Sumac

An illustration of a poison sumac.

An illustration of woolly locoweed.

Woolly locoweed

An illustration of woolly locoweed.