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Cicutoxin is a poisonous polyyne and alcohol found in various plants, such as the highly toxicwater hemlock (Cicuta species).
Cicuta virosa (Cowbane or Northern Water Hemlock) is a species of Cicuta, native to northern and central Europe, northern Asia and northwestern North America.
The water hemlock belongs to the Apiaceae family and the species within this family are divided into the Cicuta and Oenanthe genera.