| Hippeastrum conzattii (Greenm.) Christenh. & Byng, 2018 |
| Hippeastrum crastinum Christenh. & Byng, 2018 |
| Hippeastrum formosissimum (L.) Loudon, 1829 |
| Hippeastrum glaucum (Lindl.) Christenh. & Byng, 2018 |
| Hippeastrum lindleyanum (Herb.) Christenh. & Byng, 2018 |
| Hippeastrum medinae (L.O. Alvarado & García-Mend.) Christenh. & Byng, 2018 |
| Hippeastrum oaxacanum (T.M. Howard) Christenh. & Byng, 2018 |
| Hippeastrum puniceum (Lam.) Urb., 1903 |
| Hippeastrum puniceum (Lam.) Voss, 1895 |
| Hippeastrum sprekeliopsis Christenh. & Byng, 2018 |
| Hymenocallideae Small, 1933 |
| Hymenocallis Salisb., 1812 |
| Hymenocallis acutifolia (Herb.) Sweet, 1830 |
| Hymenocallis adnata Herb., 1837 |
| Hymenocallis adnata var. dryandrii (Ker Gawl.) Kunth, 1850 |
| Hymenocallis adnata var. staplesiana Herb., 1837 |
| Hymenocallis americana (Mill.) M. Roem., 1847 |
| Hymenocallis americana f. acutifolia (Herb.) Voss, 1895 |
| Hymenocallis americana f. staplesiana (Herb.) Voss, 1895 |
| Hymenocallis araniflora T.M. Howard, 1990 |