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*Conium maculatum Linnaeus. Poison-hemlock. Phen: May-Jul; Jun-Aug. Hab: Ditches, roadsides, streambanks, pastures, disturbed areas. Dist: Native of Eurasia.

Origin/Endemic status: Eurasia

Other Comments: All parts of the plant are highly toxic if ingested, causing respiratory failure in humans and other mammals.

Synonymy: = C, F, G, GrPl, GW2, Il, K1, K3, K4, MC, Meso4.1, Mo2, NE, NY, Ok, Pa, RAB, S, Tat, Tn, Tx, Va, W, WV

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW
  • Eastern Mountains and Piedmont: FACW
  • Great Plains: FACW
  • Midwest: FACW
  • Northcentral & Northeast: FACW

Heliophily: 8

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