Alternanthera philoxeroides (Mart.) Griseb.

Leaves are opposite

Each of white inflorescences is composed of several flowers and has a paper-like texture.

Inflorescences are borne terminal or from the leaf axils

Alligatorweed often forms dense mats.

  • Scientific Name: Alternanthera philoxeroides (Mart.) Griseb.
  • Common Name: Alligatorweed
  • Group: Dicot
  • Family: Amaranthaceae (Amaranth family)
  • Wetland Indicator Caterogy: OBL
  • Leaves: Opposite or Alternate
  • Perennial
  • Growth Form: Emergent
  • Grows in freshwater ponds, lakes, streams, ditches, shorelines
  • Introduced/Noxious weed