| Scientific Name | Authority | Status |
|---|---|---|
| Maxillaria gracilis | G.Lodd. ex Paxton & J.Harrison | synonym |
| Maxillaria queirogana | Barb.Rodr. | synonym |
| Maxillaria gracilis var. queirogana | (Barb.Rodr.) Hoehne | synonym |
| Maxillaria penduliflora | Fenzl | synonym |
| Maxillaria guayanensis | Klinge | synonym |
| Maxillaria punctata | G.Lodd. ex Drapiez | synonym |
| Maxillaria gracilis var. minor | Hoehne | synonym |
| Brasiliorchis humilis | (Link & Otto) Campacci | synonym |
| Maxillaria gracilis var. intermedia | Hoehne | synonym |
| Maxillaria gracilis var. macrantha | Hoehne | synonym |
| Bletia humilis | Link & Otto | synonym |
| Maxillaria gracilis var. punctata | (G.Lodd. ex Drapiez) Cogn. | synonym |
| Bolbidium gracile | (G.Lodd. ex Paxton & J.Harrison) J.M.H.Shaw | synonym |
| Brasiliorchis gracilis | (G.Lodd. ex Paxton & J.Harrison) R.B.Singer, S.Koehler & Carnevali | synonym |
| Maxillaria gracilis var. angustifolia | Hoehne | synonym |
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