| Deiregyne velata (B.L. Rob. & Fernald) Garay, 1982 |
| Dendrobiinae Lindl., 1830 |
| Dendrobium Sw., 1799 |
| Dendrobium album Hook., 1825 |
| Dendrobium bracteatum Lex., 1825 |
| Dendrobium longifolium Kunth, 1816 |
| Dendrobium quadrifidum Lex., 1825 |
| Dendrobium retusum Lex., 1825 |
| Dendrobium scariosum Lex., 1825 |
| Dendrobium sertularioides (Sw.) Sw., 1799 |
| Dendrobium tribuloides (Sw.) Sw., 1799 |
| Dendrobium utricularioides (Sw.) Sw., 1799 |
| Dendrophylax Rchb. f., 1864 |
| Dendrophylax megarhizus Molgo & Carnevali, 2016 |
| Dendrophylax porrectus (Rchb. f.) Carlsward, Whitten & N.H. Williams, 2003 |
| Dendrorchis Thouars, 1822 |
| Dendrorchis carea (Brongn.) Kuntze, 1891 |
| Deppia Raf., 1837 |
| Deppia mexicana Raf., 1837 |
| Diacrium Benth., 1881 |