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Alternanthera philoxeroides (Mart.) Griseb.
ALLIGATOR WEED
Alligatorweed; Pig weed; Bucholzia philoxeroides Mart; Bucholzia philoxeroides; Achyranthes philoxeroides; Achyranthes philoxeroides (Mart) Standl

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Alternanthera philoxeroides
© Copyright Bobby Hattaway 2011 · 5
Alternanthera philoxeroides
Alternanthera philoxeroides
© Copyright Bobby Hattaway 2011 · 5
Alternanthera philoxeroides

Alternanthera philoxeroides
© Copyright Matthew Ericson 2012 · 5
Alternanthera philoxeroides
Alternanthera philoxeroides
© Copyright Matthew Ericson 2012 · 5
Alternanthera philoxeroides

Alternanthera philoxeroides
© Copyright Matthew Ericson 2012 · 5
Alternanthera philoxeroides
Alternanthera philoxeroides
© Copyright Matthew Ericson 2012 · 5
Alternanthera philoxeroides

Alternanthera philoxeroides
© Copyright Matthew Ericson 2012 · 5
Alternanthera philoxeroides
Alternanthera philoxeroides
© Copyright Matthew Ericson 2012 · 5
Alternanthera philoxeroides

Alternanthera philoxeroides
© Copyright Matthew Ericson 2012 · 5
Alternanthera philoxeroides
Alternanthera philoxeroides
© Copyright Matthew Ericson 2012 · 5
Alternanthera philoxeroides

Alternanthera philoxeroides
© Copyright Matthew Ericson 2012 · 5
Alternanthera philoxeroides
Alternanthera philoxeroides
© Copyright Matthew Ericson 2012 · 5
Alternanthera philoxeroides

Alternanthera philoxeroides
© Copyright Matthew Ericson 2012 · 5
Alternanthera philoxeroides
Alternanthera philoxeroides
© Les Mehrhoff, 2008-2010 · 3
Alternanthera philoxeroides

Associates · map
FamilyScientific name @ source (records)
Botryosphaeriaceae  Phyllosticta amaranthi @ BPI (1)
Delphacidae  Megamelus aestus @ UDCC_TCN (1)
Diademaceae  Nimbya alternantherae @ BPI (1)

Nimbya perpunctulata @ BPI (1)
Elsinoaceae  Elsinoe uruguayensis @ BPI (7)
Megachilidae  Coelioxys sayi @ BBSL (1)
Nectriaceae  Fusarium oxysporum @ BPI (1)

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Following modified from Flora of Taiwan, National Taiwan University
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Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=Alph ---> https://plants.usda.gov/java/profile?symbol=Alph
https://plants.usda.gov/java/profile?symbol=Alph ---> http://plants.usda.gov/core/profile?symbol=Alph
http://plants.usda.gov/core/profile?symbol=Alph ---> https://plants.usda.gov/core/profile?symbol=Alph
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You are here: Home / Plant Profile

Alternanthera philoxeroides (Mart.) Griseb.
alligatorweed

Image of Alternanthera philoxeroides

General Information
Symbol: ALPH
Group: Dicot
Family: Amaranthaceae
Duration: Perennial
Growth Habit : Forb/herb
Native Status : L48   I
PR   I
Characteristics
Data Source and Documentation
About our new maps
Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   

Images

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

Robert H. Mohlenbrock. USDA SCS. 1991. Southern wetland flora: Field office guide to plant species . South National Technical Center, Fort Worth. Provided by USDA NRCS Wetland Science Institute (WSI). Usage Requirements .

©Jeff McMillian. Provided by Almost Eden . United States, LA. 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 .

slideshow

Synonyms

Symbol Scientific Name
ACPH Achyranthes philoxeroides (Mart.) Standl.

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 Caryophyllidae
Order Caryophyllales
Family Amaranthaceae – Amaranth family
Genus Alternanthera Forssk. – joyweed
Species Alternanthera philoxeroides (Mart.) Griseb. – alligatorweed

Subordinate Taxa

This plant has no children

Legal Status

Noxious Weed 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 noxious weed list for that location, or click here for a composite list of all Federal and State Noxious Weeds .
Alabama alligatorweed Class C noxious weed
Arizona alligatorweed Prohibited noxious weed
Arkansas Alternanthera
alligatorweed Noxious weed
California alligatorweed A list (noxious weeds)
Florida alligatorweed, green lead plant Prohibited aquatic plant, Class 1
South Carolina alligatorweed Invasive aquatic plant alligatorweed, pigweed Plant pest
Texas alligatorweed Noxious plant
U.S. Weed Information
Alternanthera Alternanthera philoxeroides alligator weed 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.
STATE Assorted authors. State noxious weed lists for 46 states . State agriculture or natural resource departments.
FLEPPC Florida Exotic Pest Plant Council. 1999. Invasive plant list . Florida Exotic Pest Plant Council. Florida.
SEEPPC Southeast Exotic Pest Plant Council. 1996. Invasive exotic pest plants in Tennessee (19 October 1999). Research Committee of the Tennessee Exotic Pest Plant Council. Tennessee.
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
North America
Arid West OBL
Atlantic and Gulf Coastal Plain OBL
Eastern Mountains and Piedmont OBL
Great Plains OBL
Midwest OBL
Western Mountains, Valleys, and Coast OBL

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (ALPH)
CalPhotos (ALPH)
Flora of North America (ALPH)
Integrated Taxonomic Information System (ACPH)
Integrated Taxonomic Information System (ALPH)
Jepson Interchange (University of California - Berkeley) (ALPH)
USF Atlas of Florida Vascular Plants (ALPH)
University of Tennessee Herbarium (Distribution) (ALPH)
Related Websites
Aquatic, Wetland and Invasive Plant Info. System: abstract & image (ALPH)
Florida Turf image (ALPH)
GU-Plant Threats to Pacific Ecosystems (ALPH)
New Zealand Environment Bay of Plenty: abstract & images (ALPH)
North Carolina Division of Water Resources information (ALPH)
TX-Biological Control of Weeds in Texas (TAMU) (ALPH)
Wetlands Not Weedlands (ALPH)

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Cover

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover


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Following modified from Flora of North America
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Updated: 2021-04-13 09:57:20 gmt
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