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

NPSpecies - Park Species Profile


Thlaspi arvense
Fanweed; Pennycress
Florissant Fossil Beds National Monument
			Record Status: Approved
Occurrence:	Present
Nativeness:	Non-native
Abundance:	Common

Scientific Name with Authority:		Thlaspi arvense L.
Park Preferred Common Name(s):		Fanweed; Pennycress
Park Synonyms:

Taxonomic Hierarchy:		Kingdom Plantae, Phylum Tracheophyta, Subphylum Spermatophytina, Order Brassicales, Family Brassicaceae, Genus Thlaspi, Species Thlaspi arvense


Park Tags:
ParkTag -


Threatened/Endangered Status:
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:		GNR
NatureServe State Rank:		CO: SNA
Evidence:		0 Observations, 5 Vouchers, 3 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Acadia National Park	Allegheny Portage Railroad National Historic Site
Antietam National Battlefield	Apostle Islands National Lakeshore
Badlands National Park	Bent's Old Fort National Historic Site
Big Hole National Battlefield	Bighorn Canyon National Recreation Area
Blue Ridge Parkway	Boston Harbor Islands National Recreation Area
Bryce Canyon National Park	Carl Sandburg Home National Historic Site
Carlsbad Caverns National Park	Cedar Breaks National Monument
Chesapeake and Ohio Canal National Historical Park	City Of Rocks National Reserve
Craters of the Moon National Monument and Preserve	Curecanti National Recreation Area
Delaware Water Gap National Recreation Area	Devils Tower National Monument
Eisenhower National Historic Site	First State National Historical Park
Fort Laramie National Historic Site	Fort Larned National Historic Site
Fort Union Trading Post National Historic Site	Fossil Butte National Monument
Gates of the Arctic National Park and Preserve	Gateway National Recreation Area
Gettysburg National Military Park	Gila Cliff Dwellings National Monument
Glacier National Park	Grand Canyon National Park
Grand Teton National Park	Grant-Kohrs Ranch National Historic Site
Great Smoky Mountains National Park	Hagerman Fossil Beds National Monument
Homestead National Historical Park	Hopewell Culture National Historical Park
Hopewell Furnace National Historic Site	Indiana Dunes National Park
Isle Royale National Park	Jewel Cave National Monument
Johnstown Flood National Memorial	Kennesaw Mountain National Battlefield Park
Klondike Gold Rush National Historical Park	Knife River Indian Villages National Historic Site
Lake Roosevelt National Recreation Area	Lava Beds National Monument
Little Bighorn Battlefield National Monument	Mammoth Cave National Park
Martin Van Buren National Historic Site	Minute Man National Historical Park
Mississippi National River and Recreation Areas	Missouri National Recreational River
Mount Rainier National Park	Mount Rushmore National Memorial
New River Gorge National Park and Preserve	Nez Perce National Historical Park
Olympic National Park	Organ Pipe Cactus National Monument
Parashant National Monument	Pipestone National Monument
Prince William Forest Park	Richmond National Battlefield Park
Rocky Mountain National Park	Saratoga National Historical Park
Scotts Bluff National Monument	Shenandoah National Park
Stones River National Battlefield	Tallgrass Prairie National Preserve
Theodore Roosevelt National Park	Valley Forge National Historical Park
Voyageurs National Park	Wind Cave National Park
Wrangell - St Elias National Park and Preserve	Yellowstone National Park


Last Modified Date:	2/9/2004

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 10/8/2025 7:28:33 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	10/8/2025 7:28:33 PM

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