| 311913 | Havardia pallens (Benth.) Britton & Rose | | | a | | Havardia pallens (Benth.) Britton & Rose | |
| 313905 | Havardia albicans (Kunth) Britton & Rose | | | a | | Havardia albicans (Kunth) Britton & Rose | |
| 409046 | Havardia mexicana (Rose) Britton & Rose | | | a | | Havardia mexicana (Rose) Britton & Rose | |
| 409047 | Havardia sonorae (S. Watson) Britton & Rose | | | a | | Havardia sonorae (S. Watson) Britton & Rose | |
| 437740 | Havardia confinis ined. | Ebenopsis confinis (Standl.) Britton & Rose | 405170 | | | Havardia confinis ined. | Ebenopsis confinis (Standl.) Britton & Rose |