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Park			Taxon Code
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National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Conyza canadensis var. canadensis
Canadian horseweed
Valles Caldera National Preserve
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:	Unknown

Scientific Name with Authority:		Conyza canadensis var. canadensis (L.) Cronquist
Park Preferred Common Name(s):		Canadian horseweed
Park Synonyms:

Taxonomic Hierarchy:		Kingdom Plantae, Phylum Tracheophyta, Subphylum Spermatophytina, Order Asterales, Family Asteraceae, Genus Conyza, Species Conyza canadensis


Park Tags:
ParkTag -


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


Other Parks Where Species is Listed:
American Memorial Park	Assateague Island National Seashore
Bandelier National Monument	Big Thicket National Preserve
Blue Ridge Parkway	Cape Hatteras National Seashore
Cape Lookout National Seashore	Castillo De San Marcos National Monument
Chaco Culture National Historical Park	Cumberland Island National Seashore
Delaware Water Gap National Recreation Area	Fort Matanzas National Monument
Fredericksburg and Spotsylvania County Battlefields Memorial National Military Park	Gateway National Recreation Area
Gauley River National Recreation Area	Haleakala National Park
Hawaii Volcanoes National Park	Kings Mountain National Military Park
New River Gorge National Park and Preserve	Ninety Six National Historic Site
Niobrara National Scenic River	Petrified Forest National Park
Prince William Forest Park	Russell Cave National Monument
Saratoga National Historical Park	Stones River National Battlefield


Last Modified Date:	7/21/2016

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 12/14/2025 4:46:48 AM

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	12/14/2025 4:46:48 AM

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