Avrainvillea asarifolia
- kingdom: Plantae
- phylum: Chlorophyta
- class: Ulvophyceae
- order: Bryopsidales
- family: Dichotomosiphonaceae
- genus: Avrainvillea
- species: Avrainvillea asarifolia
- Duncan Town
Ragged Island
Bahamas- Portsmouth
Saint John
Dominica- Boca Chica
Santo Domingo
Dominican Republic- Port Antonio
Portland
Jamaica- Puerto Real
Cabo Rojo
Puerto Rico- Marathon
Florida
United States- Charlotte Amalie
Saint Thomas Island
Virgin Islands, U.S.