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National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Lolium perenne
Ryegrass
Rocky Mountain National Park
			Record Status: Approved
Occurrence:	Present
Nativeness:	Non-native
Abundance:	Unknown

Scientific Name with Authority:		Lolium perenne L.
Park Preferred Common Name(s):		Ryegrass
Park Synonyms:

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


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, 2 Vouchers, 1 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Amistad National Recreation Area	Apostle Islands National Lakeshore
Arkansas Post National Memorial	Assateague Island National Seashore
Aztec Ruins National Monument	Bandelier National Monument
Big Bend National Park	Blue Ridge Parkway
Boston Harbor Islands National Recreation Area	Buffalo National River
Cape Cod National Seashore	Cape Hatteras National Seashore
Cape Lookout National Seashore	Capitol Reef National Park
Carl Sandburg Home National Historic Site	Carlsbad Caverns National Park
Catoctin Mountain Park	Channel Islands National Park
City Of Rocks National Reserve	Colonial National Historical Park
Congaree National Park	Coronado National Memorial
Cowpens National Battlefield	Crater Lake National Park
Cumberland Gap National Historical Park	Cuyahoga Valley National Park
Delaware Water Gap National Recreation Area	Ebey's Landing National Historical Reserve
Eisenhower National Historic Site	El Morro National Monument
Fire Island National Seashore	First State National Historical Park
Florissant Fossil Beds National Monument	Fort Donelson National Battlefield
Fort Larned National Historic Site	Fort Matanzas National Monument
Fort Necessity National Battlefield	Fort Point National Historic Site
Fort Sumter National Historical Park	Friendship Hill National Historic Site
Gateway National Recreation Area	George Washington Birthplace National Monument
George Washington Carver National Monument	Gettysburg National Military Park
Golden Gate National Recreation Area	Grand Canyon National Park
Grand Portage National Monument	Great Falls Park
Great Smoky Mountains National Park	Gulf Islands National Seashore
Hagerman Fossil Beds National Monument	Haleakala National Park
Herbert Hoover National Historic Site	Hot Springs National Park
Indiana Dunes National Park	Isle Royale National Park
Jean Lafitte National Historical Park and Preserve	Johnstown Flood National Memorial
Kenilworth Park and Aquatic Gardens	Kennesaw Mountain National Battlefield Park
Lake Mead National Recreation Area	Lake Meredith National Recreation Area
Lewis and Clark National Historical Park	Little River Canyon National Preserve
Lyndon B. Johnson National Historical Park	Mammoth Cave National Park
Mesa Verde National Park	Mississippi National River and Recreation Areas
Monocacy National Battlefield	Montezuma Castle National Monument
Natchez Trace Parkway	New River Gorge National Park and Preserve
Nez Perce National Historical Park	North Cascades National Park
Ocmulgee Mounds National Historical Park	Olympic National Park
Padre Island National Seashore	Pea Ridge National Military Park
Pecos National Historical Park	Petrified Forest National Park
Point Reyes National Seashore	Presidio of San Francisco
Richmond National Battlefield Park	Rock Creek Park
Sagamore Hill National Historic Site	San Antonio Missions National Historical Park
San Juan Island National Historical Park	Saugus Iron Works National Historic Site
Sequoia and Kings Canyon National Parks	Shenandoah National Park
Sleeping Bear Dunes National Lakeshore	Stones River National Battlefield
Theodore Roosevelt Island National Memorial	Upper Delaware Scenic and Recreational River
Valley Forge National Historical Park	Vicksburg National Military Park
Voyageurs National Park	Washita Battlefield National Historic Site
Wolf Trap National Park for the Performing Arts	Yellowstone National Park
Yosemite National Park


Last Modified Date:	1/7/2004

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 10/8/2025 5:47:19 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 5:47:19 PM

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