| Loganiaceae | * |
Cynoctonum angustifolium
| (Torr. & A. Gray) Small | Bull. Torrey Bot. Club 23(4): 129 | 1896 |
| Loganiaceae | |
Cynoctonum mitreola
| (L.) Britton | Mem. Torrey Bot. Club 5(17): 258 | 1894 |
| Loganiaceae | |
Cynoctonum oldenlandioides
| (Wall. ex A. DC.) B.L. Rob. | Proc. Amer. Acad. Arts 45(17): 396 | 1910 |
| Loganiaceae | |
Cynoctonum paniculatum
| (Wall. ex G. Don) B.L. Rob. | Proc. Amer. Acad. Arts 45(17): 396 | 1910 |
| Loganiaceae | |
Cynoctonum pedicellatum
| (Benth.) B.L. Rob. | Proc. Amer. Acad. Arts 45(17): 396 | 1910 |
| Loganiaceae | |
Cynoctonum petiolatum
| Walter ex J.F. Gmel. | Syst. Nat., ed. 13[bis] 2(1): 443 | 1791 |
| Loganiaceae | |
Cynoctonum sessilifolium
| J.F. Gmel. | Syst. Nat., ed. 13[bis] 2(1): 443 | 1791 |
| Loganiaceae | |
Cynoctonum succulentum
| R.W. Long | Rhodora 72(789): 29–30 | 1970 |