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National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Amaranthus powellii
Powell's amaranth, Powell's pigweed
El Morro National Monument
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:	Unknown

Scientific Name with Authority:		Amaranthus powellii S. Watson
Park Preferred Common Name(s):
Park Synonyms:

Taxonomic Hierarchy:		Kingdom Plantae, Phylum Tracheophyta, Subphylum Spermatophytina, Order Caryophyllales, Family Amaranthaceae, Genus Amaranthus, Species Amaranthus powellii


Park Tags:
ParkTag -


Threatened/Endangered Status:
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:		G5
NatureServe State Rank:		NM: SNR
Evidence:		0 Observations, 4 Vouchers, 0 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Aztec Ruins National Monument	Big Bend National Park
Canyon De Chelly National Monument	Chaco Culture National Historical Park
Channel Islands National Park	Chiricahua National Monument
Coronado National Memorial	El Malpais National Monument
Eugene O'Neill National Historic Site	Fort Vancouver National Historic Site
Grand Canyon National Park	Grand Teton National Park
Hubbell Trading Post National Historic Site	Indiana Dunes National Park
Lake Roosevelt National Recreation Area	Lava Beds National Monument
Mississippi National River and Recreation Areas	Montezuma Castle National Monument
Saguaro National Park	Saint Croix National Scenic Riverway
Santa Monica Mountains National Recreation Area	Sleeping Bear Dunes National Lakeshore
Tonto National Monument	Tuzigoot National Monument
Valles Caldera National Preserve


Last Modified Date:	9/20/2007

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 10/11/2025 2:32:53 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 2:32:53 PM

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