| Cyclosia Klotzsch, 1838 |
| Cyclosia maculata Klotzsch, 1838 |
| Cycnoches Lindl., 1832 |
| Cycnoches egertonianum Bateman, 1842 |
| Cycnoches egertonianum var. viride Lindl., 1846 |
| Cycnoches glanduliferum A. Rich. & Galeotti ex Hemsl., 1879 |
| Cycnoches rossianum Rolfe, 1891 |
| Cycnoches stelliferum Lodd., 1844 |
| Cycnoches ventricosum Bateman, 1837 |
| Cycnoches ventricosum var. egertonianum (Bateman) Hook., 1844 |
| Cycnoches viride K. Koch, 1857 |
| Cymbidieae Pfitzer, 1887 |
| Cymbidiinae Benth., 1881 |
| Cymbidium Sw., 1799 |
| Cymbidium cordigerum Kunth, 1816 |
| Cymbidium cucullatum (L.) Sw., 1799 |
| Cymbidium flabellifolium Griseb., 1864 |
| Cymbidium flabelliforme (Sw.) Sw., 1799 |
| Cymbidium floridum (Salisb.) Lindl., 1831 |
| Cymbidium glaucum (Sw.) Sw., 1799 |