winter fern

Thesaurus

Noun

1.

winter fern - 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 poisonousCalifornia fern, Conium maculatum, Nebraska fern, poison hemlock, poison parsley, hemlockConium, genus Conium - small genus of highly toxic biennials: hemlockpoisonous plant - a plant that when touched or ingested in sufficient quantity can be harmful or fatal to an organism