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Warning! This is an invasive plant, which has the potential to aggressivley crowd out native species. Learn more about invasive plants!

Poison Hemlock (Conium maculatum)

Image ID: mtr60L

Poison Hemlock (Conium maculatum)
·leaf
Family: Apiaceae (Parsley)
Height: 3 to 6 ft.
Blooms: June to August
Leaf Type: divided
Bloom Size:  0.1 in. (typical)
Flower Description: Flat or rounded clusters, Regular blooms, 5 parts
Location: Montour Trail
Date:  6/1/2003
Notes: Stem bears purple spots. Fern-like leaves. Highly toxic.
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Poison Hemlock may be easily confused with:
We started out as wildflowers from the bicycle trails of western Pennsylvania, but we've grown!