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

NPSpecies - Park Species Profile


Aira caryophyllea
silver hairgrass
Yellowstone National Park
			Record Status: Approved
Occurrence:	Present
Nativeness:	Non-native
Abundance:	Rare

Scientific Name with Authority:		Aira caryophyllea L.
Park Preferred Common Name(s):
Park Synonyms:

Taxonomic Hierarchy:		Kingdom Plantae, Phylum Tracheophyta, Subphylum Spermatophytina, Order Poales, Family Poaceae, Genus Aira, Species Aira caryophyllea


Park Tags:
ParkTag -


Threatened/Endangered Status:
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:		GNR
NatureServe State Rank:		ID: SNA; WY: SNA
Evidence:		0 Observations, 1 Vouchers, 1 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Assateague Island National Seashore	Cape Cod National Seashore
Ebey's Landing National Historical Reserve	Eugene O'Neill National Historic Site
Fire Island National Seashore	Fort Point National Historic Site
Gateway National Recreation Area	George Washington Memorial Parkway
Golden Gate National Recreation Area	Haleakala National Park
Hawaii Volcanoes National Park	John Muir National Historic Site
Kennesaw Mountain National Battlefield Park	Mount Rainier National Park
Muir Woods National Monument	Natchez Trace Parkway
North Cascades National Park	Olympic National Park
Oregon Caves National Monument	Pinnacles National Park
Piscataway Park	Point Reyes National Seashore
Presidio of San Francisco	Redwood National Park
Richmond National Battlefield Park	Rock Creek Park
San Juan Island National Historical Park	Saratoga National Historical Park
Sequoia and Kings Canyon National Parks	Suitland Parkway
Thomas Stone National Historic Site	Whiskeytown National Recreation Area
Wrangell - St Elias National Park and Preserve	Yosemite National Park


Last Modified Date:	9/27/2005

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 10/11/2025 7:38:35 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	10/11/2025 7:38:35 PM

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