This is a list of poisonous species found on this site, in order by the Common Name that is used for each species on this site.
(Click Here for a list of Edible Species)

On this website, a plant is considered to be poisonous if eating or touching it may actually harm you or make you ill, or even kill you. A plant is not considered to be poisonous if it is simply not edible and eating it will only give you a stomach ache.

PLEASE NOTE: This list is NOT complete!

To see all Poisonous Plants in order by Common Name → START HERE

Baneberry, Red (Actaea rubra) - Berries are poisonous.
Hemlock, Bulb-bearing Water (Cicuta bulbifera) - ***DEADLY POISONOUS***
Hemlock, Poison (Conium maculatum) - ***DEADLY POISONOUS***
Hemlock, Water (Cicuta maculata) - ***DEADLY POISONOUS***
Iris, Blue Flag (Iris versicolor) - Poisonous to eat.
Ivy, Poison (Toxicodendron rydbergii) - Poisonous to touch.
Milkweed, Common (Asclepias syriaca) - The milky sap is poisonous.
Moonseed, Canada (Menispermum canadense) - Fruits are poisonous. They resemble those of wild grapes.
Pokeweed (Phytolacca americana) - The plant becomes poisonous once it grows up past the young shoot stage.

To see all Poisonous Plants in order by Common Name → START HERE