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CCDB → Angiosperms → Hydrocharitaceae → Lagarosiphon
| Taxon name | Status | Median (n) |
| Lagarosiphon major (Ridl.) Moss | Accepted | 11 |
| Lagarosiphon muscoides Harv. | Accepted | 12 |
| Lagarosiphon crispus Rendle | Synonym of Lagarosiphon cordofanus Casp. | 11 |
| Lagarosiphon roxburghii (Planch.) Benth. | Synonym of Nechamandra alternifolia (Roxb.) Thwaites | 50 |