Guyanese arrowhead
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Alismatales
- family: Alismataceae
- genus: Sagittaria
- species: Sagittaria guayanensis
Jataí
Goiás- Cuiabá
- Pontes e Lacerda
Mato Grosso- Paracatu
Minas Gerais
Brazil
Mana
Guyane
French Guiana
Andramasina- Manjakandriana
Analamanga- Ankazoabo
Atsimo-Andrefana- Marovoay
Boeny
Madagascar
Ciudad Bolívar
Bolívar
Venezuela
Koza