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Hygrophila polysperma (Roxb.) T. Anderson
Indian swampweed

General Information
Symbol: HYPO3
Group: Dicot
Family: Acanthaceae
Duration: Annual
Growth Habit: Forb/herb
Native Status: L48   I
Data Source and Documentation
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   





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 Asteridae
Order Scrophulariales
Family Acanthaceae – Acanthus family
Genus Hygrophila R. Br. – swampweed
Species Hygrophila polysperma (Roxb.) T. Anderson – Indian swampweed

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.
United States:
Miramar weed
Noxious weed
Miramar weed
Class A noxious weed
Miramar weed
Prohibited aquatic plant, Class 2
Miramar weed
North Carolina
Miramar weed
Class A noxious weed
Miramar weed
South Carolina
Miramar weed
Invasive aquatic plant
Indian hygrophila, Miramar weed
Plant pest
East Indian hygrophila
Class A noxious weed
U.S. Weed Information
Hygrophila polysperma
East Indian hygrophila
Indian swampweed
Miramar weed
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.
US USDA, Animal and Plant Health Inspection Service (APHIS), Plant Protection and Quarantine (PPQ). 2012. Federal noxious weed list (1 February 2012). USDA, APHIS, PPQ. Washington, DC.
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.

Wetland Status

Interpreting Wetland Status

Top Level Regions
Lower 48 States OBL
North America OBL
North America
Atlantic and Gulf Coastal Plain OBL
Great Plains OBL



Source Large Mammals Small Mammals Water Birds Terrestrial Birds


Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover