Cyclospermum leptophyllum (Pers.) Sprague in J. Bot. 61(725): 131. 1923 sec. Watson 2011
- =Pimpinella leptophylla Pers., Syn. Pl. 1: 324. 1805 syn. sec. ???
- =Helosciadium leptophyllum (Pers.) DC. in Mém. Soc. Phys. Genève 4: 493. 1829 syn. sec. ???
- –Cyclospermum leptophyllum (Pers.) Sprague var. leptophyllum in J. Bot. 61(725): 131. 1923, nom. inval. syn. sec. ???