Bermudagrass

Johnsongrass

Medusahead

Quackgrass

Field Bindweed

Sufur Cinquefoil

Hoary Cress

Oxeye Daisy

Poison Hemlock

Black Henbane

Houndstongue

St. Johnswort

Diffuse Knapweed

Russian Knapweed

Spotted Knapweed

Squarrose Knapweed

Purple Loosestrife

Perennial Pepperweed

Saltcedar

Leafy Spurge

Yellow Starthistle

Canada Thistle

Musk Thistle

Scotch Thistle

Dalmatian Toadflax

Yellow Toadflax

Dyer's Woad

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Poison Hemlock
Conium maculatum
 
Rosette

Leaves are finely divided, having a fern-like appearance. Leaf stems clasp the main stem.
Adult

This biennial has a large taproot. growing six to ten feet tall
Flower

The tiny flowers are in umbrella-shaped clusters on the ends of individual stalks. Bloom is in late spring into early summer.
Weed Infestation

Poison hemlock is a European native . It is commonly found along waterways, roadsides, field edges, and tolerates poorly drained soils. It is often mistaken for parsley and wild carrot. All parts of the plant are toxic.
Seed
Stems

The stems have purple spots, especially at the bases.
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