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Alternanthera sessilis (L.) R. Br. ex DC.
sessile joyweed

       
Symbol:    
Group:    
Family:    
Duration:    
Growth Habit:    
Native Status:  
  
  
  
  



 
More Information:
 

Images:
Alternanthera sessilis (L.) R. Br. ex DC.

See all the Alternanthera thumbnails at the PLANTS Gallery
 

Synonyms:
Alternanthera sessilis (L.) R. Br. ex DC.

  ACSE4 Achyranthes sessilis (L.) Desf. ex Steud.
  ALGL11 Alternanthera glabra Moq.
  GOSE2 Gomphrena sessilis L.
 

Distribution:
Alternanthera sessilis (L.) R. Br. ex DC.

View Native Status
Distribution Map Legend

See U.S. county distributions (when available) by clicking on the map or the linked states below:

USA (AL, AR, FL, GA, HI, LA, MD, MS, SC, TX), USA+ (PR, VI)
 

Related Taxa:
Alternanthera sessilis (L.) R. Br. ex DC.

View 23 genera in Amaranthaceae, 15 species in Alternanthera
 

Classification:
Alternanthera sessilis (L.) R. Br. ex DC.

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 Alternanthera Forssk. – joyweed
Species Alternanthera sessilis (L.) R. Br. ex DC. – sessile joyweed
 

Noxious Weed Information:
Alternanthera sessilis (L.) R. Br. ex DC.

This plant and the related entity italicized and indented below are 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 noxious weed list for that location, or click here for a composite list of all Federal and State Noxious Weeds.

United States:
sessile joyweed              Noxious weed
Alabama:
sessile joyweed              Class A noxious weed
Arkansas:
Alternanthera
alligatorweed              Noxious weed
California:
sessile joyweed              Quarantine
Florida:
sessile joyweed              Noxious weed
Massachusetts:
sessile joyweed              Prohibited
Minnesota:
sessile joyweed              Prohibited noxious weed
North Carolina:
sessile joyweed              Class A noxious weed
Oregon:
sessile joyweed              Quarantine
South Carolina:
sessile joyweed              Plant pest
Vermont:
sessile joyweed              Class A noxious weed
 

U.S. Weed Information:
Alternanthera sessilis (L.) R. Br. ex DC.

sessile joyweed
Alternanthera
alligatorweed

This plant and the related entity italicized and indented above 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.

US        Plant Protection and Quarantine. 2006. Federal noxious weed list (24 May 2006). USDA Animal and Plant Health Inspection Service. Washington, DC. 2pp.
STATE        Assorted authors. 200_. State noxious weed lists for 46 states. State agriculture or natural resource departments.
 

Introduced Information:
Alternanthera sessilis (L.) R. Br. ex DC.

This plant is introduced to some part of the PLANTS Floristic Area, though it may be native in other parts. Click on link below for a partial or complete list of PFA introduced plants.

Scientific Name= A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | all
Common Name= A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | all
 

Wetland Indicator Status:
Alternanthera sessilis (L.) R. Br. ex DC.

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,FAC NO FACU NO NO NO NO NO NO NO NO NO FAC FAC
Interpreting Wetland Indicator Status
 

More Accounts and Images:
Alternanthera sessilis (L.) R. Br. ex DC.

View species account and distribution map from Flora of North America (FNA).

View species account 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 20773.

 

Related Web Sites:
Alternanthera sessilis (L.) R. Br. ex DC.

Aquatic Plant Index Image

FL-Virtual Herbarium Specimen

Japanese weed photo

Japanese weed photo: fruit & seeds

 
 
Time Generated: 10/06/2008 09:59 AM MDT