NPSpecies Report Viewer

Park			Taxon Code
Show Comments?

Find

National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Conium maculatum
cigue maculee, cigue tachetee, deadly hemlock, poison hemlock, poison parsley, poison-hemlock
Hopewell Culture National Historical Park
			Record Status: Approved
Occurrence:	Present
Nativeness:	Non-native
Abundance:	Common

Scientific Name with Authority:		Conium maculatum L.
Park Preferred Common Name(s):
Park Synonyms:

Taxonomic Hierarchy:		Kingdom Plantae, Phylum Tracheophyta, Subphylum Spermatophytina, Order Apiales, Family Apiaceae, Genus Conium, Species Conium maculatum


Management Tags:
Management Priority


Threatened/Endangered Status:
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:		G5
NatureServe State Rank:		OH: SNA
Evidence:		0 Observations, 0 Vouchers, 2 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Allegheny Portage Railroad National Historic Site	Antietam National Battlefield
Bent's Old Fort National Historic Site	Bighorn Canyon National Recreation Area
Blue Ridge Parkway	Bluestone National Scenic River
Buffalo National River	Camp Nelson National Monument
Carl Sandburg Home National Historic Site	Channel Islands National Park
Chattahoochee River National Recreation Area	Chesapeake and Ohio Canal National Historical Park
City Of Rocks National Reserve	Colorado National Monument
Cuyahoga Valley National Park	Devils Tower National Monument
Ebey's Landing National Historical Reserve	First State National Historical Park
Fort Laramie National Historic Site	Fort Larned National Historic Site
Fort Point National Historic Site	Fort Vancouver National Historic Site
George Washington Carver National Monument	George Washington Memorial Parkway
Gettysburg National Military Park	Gila Cliff Dwellings National Monument
Golden Gate National Recreation Area	Grand Canyon National Park
Grand Teton National Park	Great Falls Park
Harpers Ferry National Historical Park	Herbert Hoover National Historic Site
John Muir National Historic Site	Kennesaw Mountain National Battlefield Park
Lyndon B. Johnson National Historical Park	Mammoth Cave National Park
Mill Springs Battlefield National Monument	Monocacy National Battlefield
Muir Woods National Monument	Natchez Trace Parkway
New River Gorge National Park and Preserve	Nez Perce National Historical Park
Niobrara National Scenic River	North Cascades National Park
Olympic National Park	Pea Ridge National Military Park
Pecos National Historical Park	Pinnacles National Park
Point Reyes National Seashore	President's Park
Presidio of San Francisco	Redwood National Park
Rock Creek Park	Rocky Mountain National Park
Santa Monica Mountains National Recreation Area	Scotts Bluff National Monument
Shenandoah National Park	Shiloh National Military Park
Sleeping Bear Dunes National Lakeshore	Stones River National Battlefield
Tallgrass Prairie National Preserve	Tumacacori National Historical Park
Upper Delaware Scenic and Recreational River	Vanderbilt Mansion National Historic Site
Whiskeytown National Recreation Area	Whitman Mission National Historic Site
Wilson's Creek National Battlefield	Wind Cave National Park
Zion National Park


Last Modified Date:	9/7/2004

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 10/7/2025 8:37:32 PM

NatureServe Global Rank and State Rank

NatureServe. 2017. NatureServe Web Service. Arlington, VA. U.S.A. Available http://services.natureserve.org. Accessed: 12/4/2017. Updated quarterly.

This information is provided by NatureServe (www.natureserve.org) and its network of natural heritage member programs, a leading source of information about rare and endangered species, and threatened ecosystems.


Species Profile	Page 1 of 1	10/7/2025 8:37:32 PM

Report Viewer Configuration Error