| Name | Odontoglossum williamsianum H. G. Reichenbach |
| Authorship | Reichenbach f. |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Odontoglossum Kunth |
| Citation | 1881 Gard. Chron. n.s. 16: 134 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Odontoglossum williamsianum H. G. Reichenbach |
| Identification made in | [no date] (4) |
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