California fern and Poisonous plant

California fern 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 California fern are semantically related. In some cases you can use "Poisonous plant" instead a noun phrase "California fern".

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

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