Conium maculatum the difficulty in associating malformations with the much earlier maternal poisoning. Since no specific antidote is available, prevention is the only way to deal with the production losses caused by the plant. Control with herbicides and grazing with less-susceptible animals (such as sheep) have been suggested. "C. maculatum" alkaloids can enter the human food chain via milk and fowl. "Conium maculatum" is the plant that killed Theramenes, Socrates and Phocion. In ancient Greece, hemlock was used to poison condemned prisoners. Socrates, the most famous victim of hemlock poisoning, was accused of impiety and corrupting the young men of Athens in
Rockstone poison dart frog Rockstone poison dart frog The Rockstone poison dart frog ("Dendrobates nubeculosus") is a poorly known species of dendrobatid frogs endemic to Guyana. As it is known from only one specimen, very little information is currently available on "D. nubeculosus". It has been suggested to be one of the most poorly known species in the world. "D. nubeculosus" is a small to medium-sized poison dart frog; larger than many of its contemporary "Ranitomeya" species, but smaller than the other members of the genus "Dendrobates". The holotype specimen measures 2.5 centimetres in length, and the species' size range is unknown. It is