| Family | Orchidaceae |
| Subfamily | Epidendroideae |
| Tribe | Dendrobieae |
| Scientific name | Dendrobium williamsianum Reichenbach f. |
| Synonyms | Durabaculum williamsianum (Reichenbach f.) M.A. Clements & D.L. Jones |
| Distribution | New Guinea |
| Reference | Dendrobium williamsianum Rchb. f. |
| Dendrobium williamsianum Rchb. f. | |
| Dendrobium williamsianum Rchb. f. 1878 |
| October 2010 at Tsukuba Botanical Garden |
October 2010 at Tsukuba Botanical Garden |