| Arten: |
| Acianthus aegeridantennatus N.Halle |
| Acianthus amplexicaulis ( Bailey ) Rolfe |
| Acianthus atepalus Rchb.f. |
| Acianthus bracteatus Rendle |
| Acianthus caudatus R.Br. |
| Acianthus confusus Guillaumin |
| Acianthus corniculatus Rendle |
| Acianthus croftianus P.Kores |
| Acianthus cymbalariifolius F.Muell. & Kraenzl. |
| Acianthus elegans Rchb.f. |
| Acianthus exsertus R.Br. |
| Acianthus fornicatus R.Br. |
| Acianthus grandiflorus Schltr. |
| Acianthus halleanus P.J.Kores |
| Acianthus heptadactylus Kraenzl. |
| Acianthus ledwardii Rupp |
| Acianthus macroglossus Schltr. |
| Acianthus oxyglossus Schltr. |
| Acianthus sinclairii Hook.f. |
| Acianthus tenuilabris Schltr. |
| Acianthus veillonis N.Halle |
| Acianthus viridis Hook.f. |