Species: 

Conium maculatum

Common Name(s): 

poison hemlock, deadly hemlock, poison parsley

Habitats Impacted: 

rangeland, riparian/aquatic, disturbed/waste areas, cropland/pastureland, forest/woodland

Regions likely to be Impacted: 

PH, NE, NW, SW

Present in Neighboring States?

CO, KS, LA, MO, NM, TX

Currently known from Oklahoma?

Yes

Conium maculatum

Eric Coombs, Oregon Department of Agriculture, Bugwood.org

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What you should know!

Contains highly poisonous alkaloids. Can displace native plant species. Deliberately introduced as a garden plant or herbal medicine.

Management information