| Orchidaceae | |
Dendrobium vexillarius var. albiviride
| (P. Royen) T.M. Reeve & P. Woods | Notes Roy. Bot. Gard. Edinburgh 46: 257 | 1989 |
| Orchidaceae | |
Dendrobium vexillarius var. elworthyi
| T.M. Reeve & P. Woods | Notes Roy. Bot. Gard. Edinburgh 46: 258 | 1989 |
| Orchidaceae | |
Dendrobium vexillarius var. hansmeyerense
| Howcroft & W.N. Takeuchi | Sida 20: 462 | 2002 |
| Orchidaceae | |
Dendrobium vexillarius var. microblepharum
| (Schltr.) T.M. Reeve & P. Woods | Notes Roy. Bot. Gard. Edinburgh 46: 255 | 1989 |
| Orchidaceae | |
Dendrobium vexillarius var. minor
| (P. Royen) Ormerod | Oasis (Dora Creek) 2(4): 4 | 2003 |
| Orchidaceae | |
Dendrobium vexillarius var. retroflexum
| (J.J. Sm.) T.M. Reeve & P. Woods | Notes Roy. Bot. Gard. Edinburgh 46: 251 | 1989 |
| Orchidaceae | |
Dendrobium vexillarius var. uncinatum
| (Schltr.) T.M. Reeve & P. Woods | Notes Roy. Bot. Gard. Edinburgh 46: 253 | 1989 |
| Orchidaceae | |
Dendrobium vexillarius var. vexillarius
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