Poison Hemlock (Conium maculatum L.)
Poison hemlock was introduced into North America from Europe, where it is native. It has become well established in all regions except desert. The plants are easily found along roadsides, on the banks of streams, ditches, and canals, and as a weed in fields. It is found in all parts of Illinois.
| Description & image | Conditions of poisoning | Control | Toxic principle | Clinical signs |
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