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

Protologue link:

https://biodiversitylibrary.org/page/3120225

Verified:

05/27/1992 ARS Systematic Botanists.

Accessions:

15 (15 active, 14 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

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

Images (1 total. Click on image for more.)

Links

Forestry Images – from www.forestryimages.org

Conservation Status

Reference(s)

University of Georgia Center for Invasive Species and Ecosystem Health
APHIS. Agricultural Risk Management System United States Department of Agriculture.
Beetle, A. A. 1970. Recommended plant names. Univ. Wyoming Agr. Exp. Sta. Res. J. 31
Botanical Society of the British Isles. BSBI taxon database (on-line resource).
Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas
Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 89-90.
FNA Editorial Committee. 1993-. Flora of North America.
Gleason, H. A. & A. Cronquist. 1963. Manual of vascular plants of northeastern United States and adjacent Canada.
Hansen, A. & P. Sunding. 1993. Flora of Macaronesia: checklist of vascular plants, ed. 4. Sommerfeltia vol. 17.
Kingsbury, J. M. 1964. Poisonous plants of the United States and Canada.
Lira, R. et al., eds. 2016. Ethnobotany of Mexico Springer, New York, US. 114-115.
Munz, P. A. & D. D. Keck. 1959. A California flora.
Neves, C. J. et al. 2020. Male linked genomic region determines sex in dioecious Amaramthus palmeri. J. Heredity 1-18. DOI: 10.1093/jhered/esaa047.
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. 2001-2002. Flora of Maharashtra state.
Standley, P. C. 1917. Amaranthaceae. In: Britton, N. L. et al., eds. ser. 1; C. T. Rogerson, ed. ser. 2, North American flora 21(2). Note: ser. 1, 1905-1957; ser. 2, 1954-1972
Vibrans, H., ed. Malezas de México (on-line resource).
Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902. DOI: 10.1016/j.mb.2016.06.017.
Webster, T. M. et al. 2013. Winter cover crops influence Amaranthus palmeri establishment. Crop Protect. 52:130-135. Note: a glyphosate-resistant plant in Australia
Whitson, T. D. et al., eds. 1999. Weeds of the West, ed. 5
2018. Mid-Atlantic invasive plant species (on-line resource)
Delivering alien invasive species inventories for Europe (DAISIE) (on-line resource).

Common names

Language	Name	note	seq	Citation
English	carelessweed		1	Beetle, A. A. 1970. Recommended plant names. Univ. Wyoming Agr. Exp. Sta. Res. J. 31
English	dioecious amaranth		1	Botanical Society of the British Isles. BSBI taxon database (on-line resource).
English	Palmer's amaranth		1	Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL.
English (Canada)	Palmer’s pigweed	Agriculture & Agri-Food Canada official name	2	Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 89-90.
French	amarante de Palmer		2	Delivering alien invasive species inventories for Europe (DAISIE) (on-line resource).
French (Canada)	amarante de Palmer	Agriculture & Agroalimentaire Canada nom officiel	2	Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 89-90.
German	Palmer-Fuchsschwanz		2	Delivering alien invasive species inventories for Europe (DAISIE) (on-line resource).
Spanish (Mexico)	quintonil		2	Lira, R. et al., eds. 2016. Ethnobotany of Mexico Springer, New York, US. 114-115.

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Northern America	North-Central U.S.A.	United States	Oklahoma		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northern Mexico	Mexico	Baja California (Norte)		Vibrans, H., ed. Malezas de México (on-line resource).
1	Native	Northern America	Northern Mexico	Mexico	Baja California Sur		Vibrans, H., ed. Malezas de México (on-line resource).
1	Native	Northern America	Northern Mexico	Mexico	Chihuahua		Vibrans, H., ed. Malezas de México (on-line resource).
1	Native	Northern America	Northern Mexico	Mexico	Coahuila de Zaragoza		Vibrans, H., ed. Malezas de México (on-line resource).
1	Native	Northern America	Northern Mexico	Mexico	Durango		Vibrans, H., ed. Malezas de México (on-line resource).
1	Native	Northern America	Northern Mexico	Mexico	Nuevo León		Vibrans, H., ed. Malezas de México (on-line resource).
1	Native	Northern America	Northern Mexico	Mexico	San Luis Potosí		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Northern Mexico	Mexico	Sinaloa		Vibrans, H., ed. Malezas de México (on-line resource).
1	Native	Northern America	Northern Mexico	Mexico	Sonora		Vibrans, H., ed. Malezas de México (on-line resource).
1	Native	Northern America	Northern Mexico	Mexico	Tamaulipas		Vibrans, H., ed. Malezas de México (on-line resource).
1	Native	Northern America	Northern Mexico	Mexico	Zacatecas		Vibrans, H., ed. Malezas de México (on-line resource).
1	Native	Northern America	South-Central U.S.A.	United States	New Mexico		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	South-Central U.S.A.	United States	Texas		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southern Mexico	Mexico	Aguascalientes		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Colima		Vibrans, H., ed. Malezas de México (on-line resource).
1	Native	Northern America	Southern Mexico	Mexico	Guerrero		Vibrans, H., ed. Malezas de México (on-line resource).
1	Native	Northern America	Southern Mexico	Mexico	Hidalgo		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Jalisco		Vibrans, H., ed. Malezas de México (on-line resource).
1	Native	Northern America	Southern Mexico	Mexico	México		Vibrans, H., ed. Malezas de México (on-line resource).
1	Native	Northern America	Southern Mexico	Mexico	Michoacán de Ocampo		Vibrans, H., ed. Malezas de México (on-line resource).
1	Native	Northern America	Southern Mexico	Mexico	Morelos		Vibrans, H., ed. Malezas de México (on-line resource).
1	Native	Northern America	Southern Mexico	Mexico	Oaxaca		Vibrans, H., ed. Malezas de México (on-line resource).
1	Native	Northern America	Southern Mexico	Mexico	Puebla		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Querétaro		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Tlaxcala		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Veracruz de Ignacio de la Llave		Vibrans, H., ed. Malezas de México (on-line resource).
1	Native	Northern America	Southwestern U.S.A.	United States	Arizona		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southwestern U.S.A.	United States	California	s.	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southwestern U.S.A.	United States	Nevada	s.	FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Africa	Macaronesia	Portugal	Madeira Islands		Hansen, A. & P. Sunding. 1993. Flora of Macaronesia: checklist of vascular plants, ed. 4. Sommerfeltia vol. 17.
4	Naturalized	Asia-Temperate	Western Asia	Cyprus			Delivering alien invasive species inventories for Europe (DAISIE) (on-line resource).
4	Naturalized	Asia-Tropical	Indian Subcontinent	India	Maharashtra		Singh, N. P. et al., eds. 2001-2002. Flora of Maharashtra state.
4	Naturalized	Australasia	Australia	Australia			FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Europe	Northern Europe	Sweden			Delivering alien invasive species inventories for Europe (DAISIE) (on-line resource).
4	Naturalized	Europe	Southwestern Europe	Spain			Delivering alien invasive species inventories for Europe (DAISIE) (on-line resource).
4	Naturalized	Northern America	Eastern Canada	Canada	Ontario		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	North-Central U.S.A.	United States	Illinois		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	North-Central U.S.A.	United States	Kansas		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	North-Central U.S.A.	United States	Missouri		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	North-Central U.S.A.	United States	Nebraska		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	North-Central U.S.A.	United States	Wisconsin		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Massachusetts		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	New Jersey		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	New York		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Ohio		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Pennsylvania		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	West Virginia		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northwestern U.S.A.	United States	Colorado		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Arkansas		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Florida		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Georgia		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Kentucky		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Louisiana		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Maryland		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Mississippi		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	North Carolina		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	South Carolina		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Tennessee		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Virginia		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southwestern U.S.A.	United States	Utah		FNA Editorial Committee. 1993-. Flora of North America.

Native
Northern America

NORTH-CENTRAL U.S.A.: United States [Oklahoma]
SOUTH-CENTRAL U.S.A.: United States [New Mexico, Texas]
SOUTHWESTERN U.S.A.: United States [Arizona, California (s.), Nevada (s.)]
NORTHERN MEXICO: Mexico [Chihuahua, Coahuila de Zaragoza, Durango, Nuevo León, San Luis Potosí, Sinaloa, Sonora, Tamaulipas, Zacatecas, Baja California (Norte), Baja California Sur]
SOUTHERN MEXICO: Mexico [Aguascalientes, Colima, Guerrero, Hidalgo, Jalisco, México, Michoacán de Ocampo, Morelos, Oaxaca, Puebla, Querétaro, Tlaxcala, Veracruz de Ignacio de la Llave]

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]
NORTHEASTERN U.S.A.: United States [Massachusetts, New Jersey, New York, Ohio, Pennsylvania, West Virginia]
NORTH-CENTRAL U.S.A.: United States [Illinois, Kansas, Missouri, Nebraska, Wisconsin]
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]

Reference(s)

FNA Editorial Committee. 1993-. Flora of North America.
Hansen, A. & P. Sunding. 1993. Flora of Macaronesia: checklist of vascular plants, ed. 4. Sommerfeltia vol. 17.
Singh, N. P. et al., eds. 2001-2002. Flora of Maharashtra state.
Vibrans, H., ed. Malezas de México (on-line resource).
Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:559-902. DOI: 10.1016/j.mb.2016.06.017.
Delivering alien invasive species inventories for Europe (DAISIE) (on-line resource).

Economic Uses

Usage	Type	Reference
Human food	vegetable	Lira, R. et al., eds. 2016. Ethnobotany of Mexico Springer, New York, US. 114-115.
Vertebrate poisons	mammals	Kingsbury, J. M. 1964. Poisonous plants of the United States and Canada.
Weed		Whitson, T. D. et al., eds. 1999. Weeds of the West, ed. 5

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=101541. Accessed 17 April 2026.