| Brassia wrayae Skinner ex Hook., 1843 |
| Brenesia Schltr., 1923 |
| Brenesia costaricensis Schltr., 1923 |
| Brenesia herrerae (Luer) Luer, 2004 |
| Brenesia johnsonii (Ames) Luer, 2004 |
| Briegeria Senghas, 1980 |
| Briegeria cernua (Lindl.) Senghas, 1980 |
| Briegeria cobanensis (Ames & Schltr.) Senghas, 1980 |
| Briegeria equitantifolia (Ames) Senghas, 1980 |
| Briegeria teretifolia (Sw.) Senghas, 1980 |
| Broughtonia R. Br., 1813 |
| Broughtonia alba (Hook.) Spreng., 1826 |
| Broughtonia aurea Lindl., 1840 |
| Broughtonia chinensis Lindl., 1842 |
| Bulbophyllum Thouars, 1822 |
| Bulbophyllum aristatum (Rchb. f.) Hemsl., 1883 |
| Bulbophyllum cirrhosum L.O. Williams, 1940 |
| Bulbophyllum jamaicense Cogn., 1909 |
| Bulbophyllum nagelii L.O. Williams, 1939 |
| Bulbophyllum occidentale Spreng., 1826 |