https://nas.er.usgs.gov/viewer/omap.aspx?SpeciesID=225
Indian swampweed (Hygrophila polysperma)
indianhygrophila
https://newyork.plantatlas.usf.edu/plant.aspx?id=819
Lipandra polysperma var. acutifolia - Species Page - NYFA: New York Flora Atlas
The New York Flora Atlas is a source of information for the distribution of plants within the state, as well as information on plant habitats, associated...
new yorkvarspecies
https://nas.er.usgs.gov/queries/SpecimenViewer.aspx?SpecimenID=1751205
Indian swampweed (Hygrophila polysperma) - Collection record
Indian swampweed (Hygrophila polysperma) - Collection record
indianhygrophilacollectionrecord