Alternanthera philoxeroides (Alligator Weed) is a species of shrub in the family Amaranthaceae. They have a self-supporting growth form. They are associated with freshwater habitat. They are native to Mato Grosso, SãO Paulo, North America, Peru, Cerrado, Bolivia, Brazil, Uruguay, ParaíBa, Bahia, Pampa, Espirito Santo, Mato Grosso Do Sul, Amapá, Paraná, Santa Catarina, Pernambuco, Sergipe, Mata Atlântica, Venezuela, Alagoas, Amazônia, Paraguay, Caatinga, Pará, Rio Grande Do Norte, Pantanal, Minas Gerais, Argentina, and Rio Grande Do Sul. They have simple, broad leaves, white flowers, and capsule fruit. Flowers are visited by Common buckeye, Melangyna novaezelandiae, and Syrphid fly. Individuals can grow to 0.061 m.
EOL has data for 74 attributes, including: