Helosis cayennensis (Swartz) Sprengel in Syst. Veg. 3: 765. 1826 sec. B. Hansen & al. 1993
- =Cynomorium cayennense Swartz, Nov. Gen. & Sp. Pl.: 12. 1788
- =Helosis guyanensis L.C. Richard in Mem. Mus. Hist. Nat. 8: t.20. 1822
- Unknown type category: French Guiana, Cayenne, between 1784 en 1789, L.C. Richard s.n.
- Unknown type category: French Guiana, Cayenne, between 1784 en 1789, L.C. Richard s.n. (P)
