| Acianthera sotoana Solano, 2010 |
| Acianthera testifolia (Sw.) Solano, 2011 |
| Acianthera tikalensis (Correll & C. Schweinf.) Pridgeon & M.W. Chase, 2001 |
| Acianthera unguicallosa (Ames & C. Schweinf.) Solano, 2003 |
| Acianthera violacea (A. Rich. & Galeotti) Pridgeon & M.W. Chase, 2001 |
| Acineta Lindl., 1843 |
| Acineta barkeri (Bateman) Lindl., 1843 |
| Acineta chrysantha (C. Morren) Lindl., 1850 |
| Acineta hagsateri Salazar & Soto Arenas, 2003 |
| Acineta longiscapa (A. Rich. & Galeotti) Rchb. f., 1852 |
| Acineta salazarii Soto Arenas, 2003 |
| Acineta wrightii J. Fraser, 1889 |
| Acinopetala Luer, 2006 |
| Acinopetala adamsii (Luer) Luer, 2006 |
| Acinopetala floribunda (Lindl.) Luer, 2006 |
| Acronia C. Presl, 1827 |
| Acronia cardiothallis (Rchb. f.) Luer, 2005 |
| Acronia correlli (Luer) Luer, 2005 |
| Acronia homalantha (Schltr.) Luer, 2005 |
| Acronia leucantha (Schltr.) Luer, 2005 |