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National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Zigadenus venenosus var. venenosus
Deadly zigadenous
Olympic National Park
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:	Rare

Scientific Name with Authority:		Zigadenus venenosus var. venenosus S. Watson
Park Preferred Common Name(s):		Deadly zigadenous
Park Synonyms:

Taxonomic Hierarchy:		Kingdom Plantae, Phylum Tracheophyta, Subphylum Spermatophytina, Order Liliales, Family Melanthiaceae, Genus Toxicoscordion, Species Toxicoscordion venenosum


Park Tags:
Plant Life form - Forbs


Threatened/Endangered Status:
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:		G5T5
NatureServe State Rank:		WA: SNR
Evidence:		0 Observations, 1 Vouchers, 0 Data Store References, 0 External Links


Other Parks Where Species is Listed:
City Of Rocks National Reserve	Lake Roosevelt National Recreation Area
Mesa Verde National Park	Mount Rainier National Park
North Cascades National Park	Rocky Mountain National Park
Sequoia and Kings Canyon National Parks	Yosemite National Park


Last Modified Date:	10/21/2004

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 10/10/2025 7:18:10 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		10/10/2025 7:18:10 PM