| Common Name | Scientific Name | Code |
| n/a | Syringodium isoetifolium (Aschers.) Dandy | SYIS2 |
| n/a | Syringodium K?tz. | SYRIN2 |
| n/a | Thalassodendron ciliatum (Forsk.) den Hartog | THCI2 |
| n/a | Thalassodendron Hart. | THALA2 |
| cymodocea | Cymodocea Koenig | CYMOD |
| cymodocea | Cymodocea rotundata Ehrenb. & Hempr. ex Aschers. | CYRO9 |
| cymodocea | Cymodocea serrulata (R. Br.) Aschers. & Magnus | CYSE10 |
| Cymodocea filiformis | Cymodocea manatorum Aschers. | CYMA18 |
| Cymodocea filiformis | Syringodium filiforme Kuetz. | SYFI |
| halodule | Halodule Endl. | HALOD |
| halodule | Halodule uninervis Boiss. | HAUN3 |
| Halodule wrightii | Diplanthera beaudettei den Hartog | DIBE3 |
| Halodule wrightii | Diplanthera wrightii (Aschers.) Aschers. | DIWR2 |
| Halodule wrightii | Halodule beaudettei (den Hartog) den Hartog | HABE2 |
| manateegrass | Cymodocea filiformis (Kuetz.) Correll | CYFI3 |
| shoalweed | Halodule wrightii Aschers. | HAWR |