mushrooms
Oleander
it is because that the salt in the water is very deadly to the plants and so it can not be used to any effect exept for Kelp etc.
Yep!
foxglove and deadly nighshade are two poisonous plants. rapeseed
Just like humans, it will weaken if not kill plants.
Yes most are not deadly.
Deadly nightshade (Atropha belladonna) is a herbaceous perennial plant and will live for many years.
My limited education does not allow me to answer that question. :)
ANSWER because of virus plants .
This is not the case. There are hundreds of types of viruses which cause deadly diseases in plants.
Vacuoles in plants have poisonous substances that can be harmful or deadly to animals.
Yes. But not fatally to humans.