While most parts of the plant are edible for humans, the pollen is considered poisonous.

The berries, while eaten frequently by birds, are considered poisonous to humans.

All parts of the plant should be considered poisonous.

Geckos are considered poisonous in many parts of the world including India.

Both the berries and the entire plant are considered poisonous to humans.

All parts of the plant are considered highly poisonous.

But a modern caution does not appear: hellebores are considered poisonous if eaten.

The animals seem to leave them alone and for many the daffodil bulbs are considered poisonous.

Similar to bitter almond, these volatile oils are considered poisonous.

In fact, arnica is considered poisonous and has caused death.