PLANTS Profile for Amaranthus spinosus (spiny amaranth)

Name Search
name search type enter a search name
	State Search
	Advanced Search
	Search Tips


	Alternative Crops
	Characteristics
	Classification
	Culturally Significant
	Distribution Update
	Fact Sheets & Plant Guides
	Invasive and Noxious Weeds
	Plant Materials Publications
	Threatened & Endangered
	Wetland Indicator Status



	30,000+ Plant Images
	Submit Your Images to PLANTS



	Complete PLANTS Checklist
	State PLANTS Checklist
	Symbols for Unknown Plants
	State PLANTS GSAT Lists
	PLANTS Posters



	Crop Nutrient Tool
	Ecological Site Information System
	Plant Materials Web Site
	Other NRCS Tech Resources
	VegSpec



	PLANTS Links

Printer-Friendly Version

PLANTS Profile

Amaranthus spinosus L.
spiny amaranth


Symbol:		AMSP
Group:		Dicot
Family:		Amaranthaceae
Growth Habit:		Forb/herb
Duration:		Annual
U.S. Nativity:		Native

Click on the image below to enlarge it and download a high-resolution JPEG file.

Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory. AZ. Usage Guidelines.

More Information:

Plant Images:
Amaranthus spinosus L.

Click on a thumbnail to view an image, or see all the Amaranthus thumbnails at the PLANTS Gallery

Plant Distribution by State:
Amaranthus spinosus L.

State Distributional Map for Amaranthus spinosus L.

	See county distributions for the following states by clicking on them below or on the map.
	AL AR CA CT DC DE FL GA HI IL IN KS KY LA MA MO MS	NC NE NJ NY OH OK PA RI SC TN TX VA VT WI WV

Amaranthus spinosus L. occures in the following states: Alabama, Arkansas, California, Connecticut, District of Columbia, Delaware, Florida, Georgia, Hawaii, Iowa, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, North Carolina, Nebraska, New Jersey, New York, Ohio, Oklahoma, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, Tennessee, Texas, Virginia, Virgin Islands, Vermont, Wisconsin, West Virginia

Related Taxa:
Amaranthus spinosus L.

View 23 genera in Amaranthaceae, 45 species in Amaranthus

Classification:
Amaranthus spinosus L.

Click on a scientific name below to expand it in the PLANTS Classification Report.


Kingdom	Plantae – Plants
Subkingdom	Tracheobionta – Vascular plants
Superdivision	Spermatophyta – Seed plants
Division	Magnoliophyta – Flowering plants
Class	Magnoliopsida – Dicotyledons
Subclass	Caryophyllidae –
Order	Caryophyllales –
Family	Amaranthaceae – Amaranth family
Genus	Amaranthus L. – pigweed
Species	Amaranthus spinosus L. – spiny amaranth

Invasive Information:
Amaranthus spinosus L.

spiny amaranth
spiny amaranthus

This plant is considered invasive by the authoritative sources noted below. This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each invasive plant list, or click here for a composite list of Invasive Plants of the U.S.

KY		Haragan, P.D. 1991. Weeds of Kentucky and Adjacent States: A Field Guide. The University Press of Kentucky. Lexington, Kentucky. 278pp.
SWSS		Southern Weed Science Society. 1998. Weeds of the United States and Canada. CD-ROM. Southern Weed Science Society. Champaign, Illinois.

Wetland Indicator Status:
Amaranthus spinosus L.

Nat. Ind.

Reg. 1

Reg. 2

Reg. 3

Reg. 4

Reg. 5

Reg. 6

Reg. 7

Reg. 8

Reg. 9

Reg. 0

Reg. A

Reg. C

Reg. H

FACU-,FACU

FACU

FACU-

FACU

FACU-

Other Species Accounts and Images:
Amaranthus spinosus L.

View species account, photographs, and distribution from USF Atlas of Florida Vascular Plants.

View species account from ARS Germplasm Resources Information Network (GRIN).

View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 20748.

View photographs and distribution from University of Tennessee Herbarium.

View species account and distribution from Wisconsin State Herbarium (UW-Madison).