Death berries/Yew berries/ Night seed: kills a cat after consumption
Found: throughout all territories
Foxglove: causes paralysis and heart failure
Found: Skyclan, Cloudclan and Floodclan, Fractalclan's flower field
Holly berries: unknown what they do only that they are poisonous; either kill or cause sickness
Found: Floodclan and Fractalclan
Nightshade: poisonous and can sometimes put a cat out of its misery
Found: Cloudclan and Sunclan
Water Hemlock: writhing and foaming at the mouth
Found: Fractalclan, Sunclan and the pound in Cloudclan's territory