| Microthelys rubrocallosa (B.L. Rob. & Greenm.) Garay, 1982 |
| Miltonia Lindl., 1837 |
| Miltonia karwinskii (Lindl.) Lindl., 1848 |
| Miltonia laevis (Lindl.) Rolfe, 1904 |
| Miltonia leucomelas (Rchb. f.) Rolfe, 1904 |
| Miltonia reichenheimii (Linden & Rchb. f.) Rolfe, 1904 |
| Miltonia stenoglossa Schltr., 1923 |
| Miltonioides Brieger & Lückel, 1983 |
| Miltonioides karwinskii (Lindl.) Brieger & Lückel, 1983 |
| Miltonioides laevis (Lindl.) Brieger & Lückel, 1983 |
| Miltonioides oviedomotae (Hágsater) Senghas, 1997 |
| Miltonioides pauciflora (L.O. Williams) Hamer & Garay, 1985 |
| Miltonioides reichenheimii (Linden & Rchb. f.) Brieger & Lückel, 1983 |
| Miltonioides stenoglossa (Schltr.) Brieger & Lückel, 1983 |
| Mormodes Lindl., 1836 |
| Mormodes aromatica Lindl., 1841 |
| Mormodes aromatica var. oleoaurantiaca Rchb. f., 1880 |
| Mormodes atropurpurea Lindl., 1836 |
| Mormodes badia Rolfe ex W. Watson, 1897 |
| Mormodes badia var. lutea Rolfe ex W. Watson, 1897 |