Learn That Word

Synonyms for Nebraska Fern (same or very similar meaning)

WordNet sense 1 (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):
hemlock, California fern, Conium maculatum, poison hemlock, poison parsley, winter fern

From the ODE community, based on WordNetadd/edit