CCDB → Angiosperms → Apiaceae → Cyclospermum
| Taxon name | Status | Median (n) |
| Cyclospermum laciniatum (DC.) Constance | Accepted | 7 |
| Apium laciniatum (DC.) Urb. | Synonym of Cyclospermum laciniatum (DC.) Constance | 7 |
| Apium leptophyllum (Pers.) F. Muell. ex Benth. | Synonym of Cyclospermum leptophyllum (Pers.) Sprague | 7 |
| Cyclospermum leptophyllum None | Synonym of Cyclospermum leptophyllum (Pers.) Sprague | 7 |
| Apium leptophyllum var. latisectum (Urb.) Mathias & Constance | Synonym of Cyclospermum leptophyllum var. latisectum (Urb.) Constance | 7 |