Plants Profile for Ammannia coccinea (valley redstem)

General Information
Symbol:	AMCO
Group:	Dicot
Family:	Lythraceae
Duration:	Annual
Growth Habit:	Forb/herb Subshrub
Native Status:	HI I L48 N PR N VI N
Characteristics
Data Source and Documentation

About our new maps

	Native		Introduced		Both		Absent/Unreported
	Native, No County Data		Introduced, No County Data		Both, No County Data

Native Status:

L48

NAV

CAN

SPM

Images

click on a thumbnail to view an image, or see all the Ammannia thumbnails at the Plants Gallery

Robert H. Mohlenbrock. USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. Provided by USDA NRCS Wetland Science Institute (WSI). Usage Requirements.

©Larry Allain. USGS National Wetlands Research Center (NWRC). Usage Requirements.

Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory. United States, MO, Allenton. Usage Requirements.

©Pedro Acevedo-Rodriguez. Provided by Smithsonian Institution, Department of Botany. United States Virgin Islands, Saint John, Coral Bay Quarter. Usage Requirements.

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 2: 578. Provided by Kentucky Native Plant Society. Scanned by Omnitek Inc. Usage Requirements.

USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. Provided by NRCS National Wetland Team. Usage Requirements.

Synonyms

Symbol	Scientific Name
AMCOP	Ammannia coccinea Rottb. ssp. purpurea (Lam.) Koehne
AMTE6	Ammannia teres Raf.

Classification

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

Rank	Scientific Name and Common Name
Kingdom	Plantae – Plants
Subkingdom	Tracheobionta – Vascular plants
Superdivision	Spermatophyta – Seed plants
Division	Magnoliophyta – Flowering plants
Class	Magnoliopsida – Dicotyledons
Subclass	Rosidae
Order	Myrtales
Family	Lythraceae – Loosestrife family
Genus	Ammannia L. – redstem
Species	Ammannia coccinea Rottb. – valley redstem

Subordinate Taxa

This plant has no children

Legal Status

Threatened and Endangered Information:
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete protected plant list for that location.
Pennsylvania scarlet ammannia Threatened

U.S. Weed Information
Ammannia coccinea purple ammannia valley redstem This plant can be weedy or invasive according to 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 weed list, or click here for a composite list of Weeds of the U.S.
SWSS	Southern Weed Science Society. 1998. Weeds of the United States and Canada. CD-ROM. Southern Weed Science Society. Champaign, Illinois.

Wetland Status

Interpreting Wetland Status

Top Level Regions
Caribbean	OBL
Hawaii	OBL

North America
Arid West	OBL
Atlantic and Gulf Coastal Plain	OBL
Eastern Mountains and Piedmont	OBL
Great Plains	OBL
Midwest	OBL
Northcentral & Northeast	OBL
Western Mountains, Valleys, and Coast	OBL