| Scientific Name | Authority | Status |
|---|---|---|
| Humboltia sprucei | (Lindl.) Kuntze | synonym |
| Pleurothallis crassifolia | H.Focke | ambiguous synonym |
| Humboltia plumosa | (Lindl.) Kuntze | synonym |
| Pleurothallis ciliata var. elongata | C.Schweinf. | synonym |
| Pleurothallis minax | Rchb.f. | synonym |
| Humboltia lanceana | (G.Lodd. ex Lindl.) Kuntze | synonym |
| Pleurothallis lanceana | G.Lodd. ex Lindl. | synonym |
| Acianthera lanceana | (G.Lodd. ex Lindl.) Pridgeon & M.W.Chase | synonym |
| Pleurothallis huebneri | Schltr. | synonym |
| Humboltia serrifera | (Lindl.) Kuntze | synonym |
| Specklinia sprucei | (Lindl.) Luer | synonym |
| Pleurothallis sprucei | Lindl. | synonym |
| Pleurothallis plumosa | Lindl. | synonym |
| Pleurothallis ciliata | Knowles & Westc. | synonym |
| Pleurothallis daguensis | F.Lehm. & Kraenzl. | synonym |
| Humboltia ciliata | (Knowles & Westc.) Kuntze | synonym |
| Pleurothallis serrifera | Lindl. | synonym |
| Humboltia crassifolia | (H.Focke) Kuntze | synonym |
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