anchored water hyacinth
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Commelinales
- family: Pontederiaceae
- genus: Eichhornia
- species: Eichhornia azurea
- Rio Branco
Acre- Humaitá
Amazonas- Santa Maria da Vitória
Bahia- Aragarças
Goiás- São Bento
Maranhão- Barra do Garças
- Poconé
Mato Grosso- Salinas
- Vespasiano
Minas Gerais- União da Vitória
Paraná- Porto União
Santa Catarina
Brazil- Gamarra
Cesar
Colombia- Los Chiles
Alajuela
Costa Rica- San Antonio de los Baños
Artemisa
Cuba- Benito Juarez
Mexico City
Mexico- Leiden
- Leiderdorp
South Holland
Netherlands- Ypacarai
Central
Paraguay- Paramaribo
Paramaribo
Suriname- Sacramento
California- Borough of Bronx
New York
United States- Curiapo
Delta Amacuro
Venezuela