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

NPSpecies - Park Species Profile


Scleranthus annuus
German knotgrass, Knawel
Oregon Caves National Monument
			Record Status: Approved
Occurrence:	Present
Nativeness:	Non-native
Abundance:	Rare

Scientific Name with Authority:		Scleranthus annuus L.
Park Preferred Common Name(s):		German knotgrass, Knawel
Park Synonyms:

Taxonomic Hierarchy:		Kingdom Plantae, Phylum Tracheophyta, Subphylum Spermatophytina, Order Caryophyllales, Family Caryophyllaceae, Genus Scleranthus, Species Scleranthus annuus


Park Tags:
ParkTag -


Threatened/Endangered Status:
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:		GNR
NatureServe State Rank:		OR: SNA
Evidence:		0 Observations, 4 Vouchers, 4 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Anacostia Park	Apostle Islands National Lakeshore
Assateague Island National Seashore	Blue Ridge Parkway
Cape Cod National Seashore	Cape Hatteras National Seashore
Chattahoochee River National Recreation Area	Cowpens National Battlefield
Cumberland Island National Seashore	Delaware Water Gap National Recreation Area
Fire Island National Seashore	Fort Pulaski National Monument
Gateway National Recreation Area	George Washington Birthplace National Monument
George Washington Memorial Parkway	Gettysburg National Military Park
Indiana Dunes National Park	Jimmy Carter National Historical Park
Minute Man National Historical Park	North Cascades National Park
Piscataway Park	Prince William Forest Park
Richmond National Battlefield Park	Rock Creek Park
Shenandoah National Park


Last Modified Date:	8/25/2017

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 10/9/2025 5:21:00 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	10/9/2025 5:21:00 PM

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