nebraska_fern
1. [ noun ] (botany) 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
Synonyms: poison_hemlock poison_parsley California_fern winter_fern Conium_maculatum hemlock
Related terms: poisonous_plant Conium