| Scientific Name | Author | English Name |
|---|---|---|
| Amphibolis antarctica | (Labillardière) Sonder & Ascherson ex Ascherson, 1868 | |
| Cymodocea angustata | Ostenfeld, 1916 | |
| Cymodocea nodosa | (Ucria) Ascherson, 1869 | |
| Cymodocea rotundata | Asch. & Schweinf. | Ribbon seagrass |
| Cymodocea serrulata | (R.Br.) Asch. & Magnus | |
| Halodule beaudettei | (den Hartog) den Hartog, 1964 | |
| Halodule pinifolia | (Miki) Hartog | |
| Halodule uninervis | (Forssk.) Boiss. | Needle seagrass |
| Halodule wrightii | Ascherson, 1868 | Shoal grass |
| Syringodium filiforme | Kützing, 1860 | Manatee grass |
| Syringodium isoetifolium | (Asch.) Dandy | |
| Thalassodendron ciliatum | (Forsskayl) den Hartog |