Amaranthus retroflexus L. (1753)

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Distribution:

Rough pigweed is found throughout North America, from Canada to Mexico,
and from the Atlantic to the Pacific coasts. It is also found
throughout much of the rest of the world, including Europe, South
America, Eurasia, and Africa. It is a native of tropical America
[11,14,18,19,27,35,43].

Licensehttp://creativecommons.org/licenses/publicdomain/
Rights holder/AuthorUS Forest Service Fire Effects Information Service
Sourcehttp://www.fs.fed.us/database/feis/plants/forb/amaret/all.html

Habitat: Plant Associations:

More info on this topic.

This species is known to occur in association with the following plant community types (as classified by Küchler 1964):

Rough pigweed occurs in most Kuchler Plant Associations

Licensehttp://creativecommons.org/licenses/publicdomain/
Rights holder/AuthorUS Forest Service Fire Effects Information Service
Sourcehttp://www.fs.fed.us/database/feis/plants/forb/amaret/all.html

Statistics of barcoding coverage: Amaranthus retroflexus:

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 22
Species With Barcodes: 1

Licensehttp://creativecommons.org/licenses/by/3.0/
Rights holder/AuthorSujeevan Ratnasingham, Paul D.N. Hebert, Barcode of Life Data Systems (BOLD)
Sourcehttp://www.boldsystems.org/index.php/Taxbrowser_Taxonpage?taxid=121695

Regional Distribution in the Western United States:

More info on this topic.

This species can be found in the following regions of the western United States (according to the Bureau of Land Management classification of Physiographic Regions of the western United States):

1 Northern Pacific Border
2 Cascade Mountains
3 Southern Pacific Border
4 Sierra Mountains
5 Columbia Plateau
6 Upper Basin and Range
7 Lower Basin and Range
8 Northern Rocky Mountains
9 Middle Rocky Mountains
10 Wyoming Basin
11 Southern Rocky Mountains
12 Colorado Plateau
13 Rocky Mountain Piedmont
14 Great Plains
15 Black Hills Uplift
16 Upper Missouri Basin and Broken Lands

Licensehttp://creativecommons.org/licenses/publicdomain/
Rights holder/AuthorUS Forest Service Fire Effects Information Service
Sourcehttp://www.fs.fed.us/database/feis/plants/forb/amaret/all.html

Habitat: Ecosystem:

More info on this topic.

This species is known to occur in the following ecosystem types (as named by the U.S. Forest Service in their Forest and Range Ecosystem [FRES] Type classification):

Rough pigweed occurs in most ecosystems

Licensehttp://creativecommons.org/licenses/publicdomain/
Rights holder/AuthorUS Forest Service Fire Effects Information Service
Sourcehttp://www.fs.fed.us/database/feis/plants/forb/amaret/all.html

National NatureServe Conservation Status:
Canada

Rounded National Status Rank: NNA - Not Applicable

United States

Rounded National Status Rank: NNR - Unranked

Licensehttp://creativecommons.org/licenses/by-nc/3.0/
Rights holder/AuthorNatureServe
Sourcehttp://explorer.natureserve.org/servlet/NatureServe?searchName=Amaranthus+retroflexus

Occurrence in North America:

AL AK AZ AR CA CO CT DE FL GA
ID IL IN IA KS KY LA ME MD MA
MI MN MS MO MT NE NV NH NJ NM
NY NC ND OH OK OR PA RI SC SD
TN TX UT VT VA WA WV WI WY AB
BC MB NB NS ON PE PQ SK MEXICO

Licensehttp://creativecommons.org/licenses/publicdomain/
Rights holder/AuthorUS Forest Service Fire Effects Information Service
Sourcehttp://www.fs.fed.us/database/feis/plants/forb/amaret/all.html

Habitat:

Weeds of cultivation and naturalized.

Licensehttp://creativecommons.org/licenses/by-nc-sa/3.0/
Rights holder/AuthorBibliotheca Alexandrina, BA Cultnat, Bibliotheca Alexandrina - EOL Ar
Sourcehttp://lifedesk.bibalex.org/ba/pages/1810

NatureServe Conservation Status:

Rounded Global Status Rank: GNR - Not Yet Ranked

Licensehttp://creativecommons.org/licenses/by-nc/3.0/
Rights holder/AuthorNatureServe
Sourcehttp://explorer.natureserve.org/servlet/NatureServe?searchName=Amaranthus+retroflexus

Distribution in Egypt:

Nile and Mediterranean regions, and Sinai.

Licensehttp://creativecommons.org/licenses/by-nc-sa/3.0/
Rights holder/AuthorBibliotheca Alexandrina, BA Cultnat, Bibliotheca Alexandrina - EOL Ar
Sourcehttp://lifedesk.bibalex.org/ba/pages/1810
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith