Udotea cyathiformis
- kingdom: Plantae
- phylum: Chlorophyta
- class: Ulvophyceae
- order: Bryopsidales
- family: Udoteaceae
- genus: Udotea
- species: Udotea cyathiformis
- Colonel Hill
Crooked Island and Long Cay
Bahamas- Portsmouth
Saint John
Dominica- Sandy Bay
Hanover- Port Antonio
Portland
Jamaica- Culebra
Culebra- Guánica
Guanica- Guayanilla
- Magas Arriba
Guayanilla- Luquillo
Luquillo
Puerto Rico- Gustavia
00
Saint Barthelemy- Vieux Fort
Vieux-Fort
Saint Lucia- Marathon
Florida
United States