Amaranthus palmeri S. Watson GRIN-Global

Taxon: Amaranthus palmeri S. Watson

Summary

Genus:

Amaranthus

Subgenus:

Acnida

Family:

Amaranthaceae

Nomen number:

101541

Place of publication:

Proc. Amer. Acad. Arts 12:274. 1877

Verified:

05/27/1992 ARS Systematic Botanists.

Accessions:

1 (1 active, 0 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

Autonyms (not in current use), synonyms and invalid designations

No images

Reference(s)

Beetle, A. A. Recommended plant names. Univ. Wyoming Agr. Exp. Sta. Res. J. 31. 1970
Botanical Society of the British Isles. BSBI taxon database (on-line resource).
Correll, D. S. & M. C. Johnston. Manual of the vascular plants of Texas. 1970
FNA Editorial Committee. Flora of North America. 1993-
Gleason, H. A. & A. Cronquist. Manual of vascular plants of northeastern United States and adjacent Canada. 1963
Hansen, A. & P. Sunding. Flora of Macaronesia: checklist of vascular plants, ed. 4. Sommerfeltia vol. 17. 1993
Kingsbury, J. M. Poisonous plants of the United States and Canada. 1964
Munz, P. A. & D. D. Keck. A California flora. 1959
Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource).
Sauer, J. D. 1955. Revision of the dioecious amaranths. Madroño 13:31.
Sauer, J. D. 1972. The dioecious amaranths: a new species name and major range extensions. Madroño 21:429-430.
Singh, N. P. et al., eds. Flora of Maharashtra state. 2000-2001
Standley, P. C. 1917. Amaranthaceae. North American flora ser. 1, 1905-1957; ser. 2, 1954-1972 21(2).
Vibrans, H., ed. Malezas de México (on-line resource).
Webster, T. M. et al. 2013. Winter cover crops influence Amaranthus palmeri establishment. Crop Protect. 52:130-135.
Whitson, T. D. et al., eds. Weeds of the West, ed. 5. 1999
Delivering alien invasive species inventories for Europe (DAISIE) (on-line resource).

Common names

English
carelessweed –
dioecious amaranth –
Palmer's amaranth –
French
amarante de Palmer –
German
Palmer-Fuchsschwanz –

Distribution

order_code	Status	Continent	Subcontinent	Country	State
1	Native	Northern America	North-Central U.S.A.	United States	Oklahoma
1	Native	Northern America	Northern Mexico	Mexico	Baja Norte
1	Native	Northern America	Northern Mexico	Mexico	Baja Sur
1	Native	Northern America	Northern Mexico	Mexico	Chihuahua
1	Native	Northern America	Northern Mexico	Mexico	Coahuila
1	Native	Northern America	Northern Mexico	Mexico	Durango
1	Native	Northern America	Northern Mexico	Mexico	Nuevo Leon
1	Native	Northern America	Northern Mexico	Mexico	Sinaloa
1	Native	Northern America	Northern Mexico	Mexico	Sonora
1	Native	Northern America	Northern Mexico	Mexico	Tamaulipas
1	Native	Northern America	Northern Mexico	Mexico	Zacatecas
1	Native	Northern America	South-Central U.S.A.	United States	New Mexico
1	Native	Northern America	South-Central U.S.A.	United States	Texas
1	Native	Northern America	Southern Mexico	Mexico	Colima
1	Native	Northern America	Southern Mexico	Mexico	Guerrero
1	Native	Northern America	Southern Mexico	Mexico	Jalisco
1	Native	Northern America	Southern Mexico	Mexico	Mexico
1	Native	Northern America	Southern Mexico	Mexico	Michoacan
1	Native	Northern America	Southern Mexico	Mexico	Morelos
1	Native	Northern America	Southern Mexico	Mexico	Oaxaca
1	Native	Northern America	Southern Mexico	Mexico	Veracruz
1	Native	Northern America	Southwestern U.S.A.	United States	Arizona
1	Native	Northern America	Southwestern U.S.A.	United States	California
1	Native	Northern America	Southwestern U.S.A.	United States	Nevada
4	Naturalized	Africa	Macaronesia	Portugal	Madeira Islands
4	Naturalized	Asia-Temperate	Western Asia	Cyprus
4	Naturalized	Asia-Tropical	Indian Subcontinent	India	Maharashtra
4	Naturalized	Australasia	Australia	Australia
4	Naturalized	Europe	Northern Europe	Sweden
4	Naturalized	Europe	Southwestern Europe	Spain
4	Naturalized	Northern America	Eastern Canada	Canada	Ontario
4	Naturalized	Northern America	North-Central U.S.A.	United States	Illinois
4	Naturalized	Northern America	North-Central U.S.A.	United States	Kansas
4	Naturalized	Northern America	North-Central U.S.A.	United States	Missouri
4	Naturalized	Northern America	North-Central U.S.A.	United States	Nebraska
4	Naturalized	Northern America	North-Central U.S.A.	United States	Wisconsin
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Massachusetts
4	Naturalized	Northern America	Northeastern U.S.A.	United States	New Jersey
4	Naturalized	Northern America	Northeastern U.S.A.	United States	New York
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Ohio
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Pennsylvania
4	Naturalized	Northern America	Northeastern U.S.A.	United States	West Virginia
4	Naturalized	Northern America	Northwestern U.S.A.	United States	Colorado
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Arkansas
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Florida
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Georgia
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Kentucky
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Louisiana
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Maryland
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Mississippi
4	Naturalized	Northern America	Southeastern U.S.A.	United States	North Carolina
4	Naturalized	Northern America	Southeastern U.S.A.	United States	South Carolina
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Tennessee
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Virginia
4	Naturalized	Northern America	Southwestern U.S.A.	United States	Utah

Native
Northern America

NORTH-CENTRAL U.S.A.: United States [Oklahoma]
NORTHERN MEXICO: Mexico [Baja Norte, Baja Sur, Chihuahua, Coahuila, Durango, Nuevo Leon, Sinaloa, Sonora, Tamaulipas, Zacatecas]
SOUTH-CENTRAL U.S.A.: United States [New Mexico, Texas]
SOUTHERN MEXICO: Mexico [Colima, Guerrero, Jalisco, Mexico, Michoacan, Morelos, Oaxaca, Veracruz]
SOUTHWESTERN U.S.A.: United States [Arizona, California, Nevada]

Naturalized
Africa

MACARONESIA: Portugal [Madeira Islands]

Asia-Temperate

WESTERN ASIA: Cyprus

Asia-Tropical

INDIAN SUBCONTINENT: India [Maharashtra]

Australasia

AUSTRALIA: Australia

Europe

NORTHERN EUROPE: Sweden
SOUTHWESTERN EUROPE: Spain

Northern America

EASTERN CANADA: Canada [Ontario]
NORTH-CENTRAL U.S.A.: United States [Illinois, Kansas, Missouri, Nebraska, Wisconsin]
NORTHEASTERN U.S.A.: United States [Massachusetts, New Jersey, New York, Ohio, Pennsylvania, West Virginia]
NORTHWESTERN U.S.A.: United States [Colorado]
SOUTHEASTERN U.S.A.: United States [Arkansas, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia]
SOUTHWESTERN U.S.A.: United States [Utah]

Economic Uses

Usage	Type	Note	Reference
Vertebrate poisons	mammals		Kingsbury, J. M. Poisonous plants of the United States and Canada. 1964
Weed			Whitson, T. D. et al., eds. Weeds of the West, ed. 5. 1999

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2025. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://ausgenebank.agriculture.vic.gov.au/gringlobal/taxon/taxonomydetail?id=101541. Accessed 16 December 2025.