| Name | Dendrobium williamsianum Reichenbach f. |
| Authorship | Reichenbach f. |
| Rank | Species |
| Placed in | Dendrobium Swartz |
| Citation | 1878. Gard. Chron. 1: 652. |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Dendrobium williamsianum Reichenbach f. |
| Identification made in | [no date] (2) |