I can't name everything that is poisonous to them, but they can eat dandelion greens, hollyhock, and sunflowers.
Poison Ivy, Poison Oak
Eucalyptus leaves can kill other plants. They are extremely toxic and just a few leaves around a plant can kill it. Of course some plants are immuned to the toxic poison.
Don't eat iris. It has a irritating resinous compound that is mostly concentrated in the root but the leaves also have it.
They are not poisonous to dogs or cats but they are mildly toxic to horses and cattle.
They live on the host plant native to Florida known as the Coontie where the Atala caterpillars spend their time eating this toxic plant, which in turn, renders it unappealing to predators or face the prospect of a toxic meal. As an adult, the Atala Butterfly feasts on the nectar of various plants.
The caterpillars of the monarch butterfly. They take up the toxins from the plant and use it to become toxic themselves, that´s why they and the orange butterfly have such bright colours.
It depends upon the species but most feed on plants that are toxic as caterpillars. These toxins are retained throughout the life of the butterfly. Predators are warned of the butterfly's toxic nature because of its bright colors. Certain Painted Lady species also have eye spots on their wings. These throw predators off by making them think that their prey item is looking at them.
No, not fresh water. But salt water from oceans or water with soap in it is toxic to caterpillars, which would make them die.
Rhubarb root is usually taken from plants four or more years old. It is dug up in the autumn, washed thoroughly, external fibers removed, and dried completely. The root is then pulverized and stored. And more . . .
Yes Lantana plant contains a toxic substance called triterpenes. The unripe berries and leaves of the lantana plant can cause fatality especially when ingested.
Digitalis is made of digitalis purpurea (plant) which is very toxic
Tussock moth caterpillars are relatively toxic to other animals. If a dog ingests one, it could get very sick from the poison.