Poison parsley and Poisonous plant

Poison parsley noun - Large branching biennial herb native to Eurasia and Africa and adventive in North America having large fernlike leaves and white flowers; usually found in damp habitats; all parts extremely poisonous.

Poisonous plant and poison parsley are semantically related. In some cases you can use "Poisonous plant" instead a noun phrase "Poison parsley".

Poisonous plant noun - A plant that when touched or ingested in sufficient quantity can be harmful or fatal to an organism.

Poison parsley and poisonous plant are semantically related. Sometimes you can replace phrase "Poison parsley" with "Poisonous plant", this phrases are similar.