| Scientific Name | Authority | Status |
|---|---|---|
| Polystachya mayombensis | De Wild. | synonym |
| Polystachya coriacea | Rolfe | synonym |
| Dendrorkis golungensis | (Rchb.f.) Kuntze | synonym |
| Polystachya spiranthoides | Kraenzl. | synonym |
| Polystachya johnsonii | Kraenzl. | synonym |
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