| 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 |
| Diacrium bicornutum (Hook.) Benth., 1881 |
| Diacrium bicornutum var. indivisum (Bradford ex Griseb.) Cogn., 1898 |
| Diacrium bidentatum (Lindl.) Hemsl., 1883 |
| Diacrium bigibberosum (Rchb. f.) Hemsl., 1883 |
| Diacrium bilamellatum (Rchb. f.) Hemsl., 1883 |
| Diacrium bivalvatulum Schltr., 1923 |
| Diacrium indivisum Broadway, 1895 |