| Scientific Name | Author | English Name |
|---|---|---|
| Halimeda velasquezii | W.R. Taylor | |
| Halimeda tuna | (J. Ellis & Solander) J.V. Lamouroux | Calcareous green seaweed |
| Halimeda taenicola | W.R. Taylor | |
| Halimeda stuposa | W.R. Taylor | |
| Halimeda simulans | M.A. Howe | |
| Halimeda renschii | Hauck | |
| Halimeda opuntia | (Linnaeus) J.V. Lamouroux | Prostrate sea cactus |
| Halimeda monile | (J. Ellis & Solander) J.V. Lamouroux | |
| Halimeda macrophysa | Askenasy | |
| Halimeda micronesica | Yamada | |
| Halimeda minima | (W.R. Taylor) Colinvaux | |
| Halimeda macroloba | Decaisne | Erect sea cactus |
| Halimeda lacunalis | W.R. Taylor | |
| Halimeda incrassata | (J. Ellis) J.V. Lamouroux | |
| Halimeda goreaui | Taylor, 1962 | |
| Halimeda gracilis | Harvey ex J. Agardh | |
| Halimeda hederacea | (Barton) Colinvaux | |
| Halimeda gigas | W.R. Taylor | |
| Halimeda discoidea | Decaisne, 1842 | Large leaf watercress alga |
| Halimeda fragilis | W.R. Taylor | |
| Halimeda cuneata | K. Hering | |
| Halimeda cylindracea | Decaisne | |
| Halimeda copiosa | Goreau & E.A. Graham | |
| Chlorodesmis hildebrandtii | A. Gepp & E.S. Gepp | Green algae |
| Chlorodesmis fastigiata | (C. Agardh) Ducker | Turtle weed |