- Scientific name
- Alternanthera philoxeroides
- Common name
- Alligator Weed
- Kingdom / family
- Amaranthaceae
- Genus
- Alternanthera
- Category
- plantae
- Primary role
- weed
- Growth habit
- floating/emergent aquatic weed
- Native regions
- ["Argentina Northeast","Argentina Northwest","Bolivia","Brazil Northeast","Brazil North","Brazil Southeast","Brazil South","Brazil West-Central","Colombia","French Guiana","Guyana","Paraguay","Peru","Suriname","Trinidad-Tobago","Uruguay","Venezuela","Germany [I]; Mauritius [I]; China [I]; Taiwan [I]; Nepal [I]; India [I] (Assam [I], Jharkhand [I], Karnataka [I], Madhya Pradesh [I], Manipur [I], Meghalaya [I], West Bengal [I]); Bangladesh [I]; Myanmar [I]; Thailand [I]; South China Sea Isl. [I]; Singapore [I]; Borneo [I]; Philippines [I]; Java [I]; Lesser Sunda Isl. [I]; New Guinea [I]; Australia [I] (Queensland [I], New South Wales [I]); New Zealand [I]; USA [I] (Alabama [I], Arkansas [I], California [I], Florida [I], Georgia [I], Illinois [I], Kentucky [I], Louisiana [I], Mississippi [I], North Carolina [I], South Carolina [I], Tennessee [I], Texas [I], Virginia [I]); Mexico (San Luis Potosi, Tamaulipas); Puerto Rico [I]; Trinidad; Isla Margarita; Venezuela (Aragua, Delta Amacuro); Guyana; Surinam; French Guiana; Peru; Bolivia (Beni, La Paz, Santa Cruz, Tarija); N-Brazil (Amazonas); NE-Brazil (Rio Grande do Norte, Pernambuco, Bahia); WC-Brazil (Mato Grosso do Sul); SE-Brazil (Minas Gerais, Espirito Santo, São Paulo); S-Brazil (Rio Grande do Sul, Santa Catarina); Paraguay (Central, Alto Paraguay); Uruguay (Montevideo); Argentina (Buenos Aires, Chaco, Corrientes, Entre Rios, Formosa, Jujuy, Misiones, Salta, Santiago del Estero, Santa Fe, San Juan, Tucuman); Chile [I] (Valparaíso [I])","Neotropical","Caribbean","North America","BR","Valparaíso Region"]
- Invasive regions
- ["Alabama","Andaman Is.","Arkansas","Assam","Bangladesh","California","China North-Central","China South-Central","China Southeast","Florida","France","Georgia","Honduras","Illinois","India","Italy","Japan","Jawa","Kentucky","Leeward Is.","Louisiana","Malaya","Maryland","Mauritius","Mexico Northeast","Mississippi","Myanmar","Nepal","Netherlands Antilles","New South Wales","New Zealand North","North Carolina","Puerto Rico","South Carolina","South China Sea","Spain","Taiwan","Tennessee","Texas","Thailand","Venezuelan Antilles","Virginia","West Himalaya","Windward Is.","AU","BD","Belgium","CL","CN","CO","CW","ES","FR","Great Britain","GY"]