 
| Genus Name | Genus | Grex Name | Year | Author | |
|---|---|---|---|---|---|
| Add+ | Dendrobium | Den | johnsoniae | 1882 | F.Muell. | 
| Add+ | Dendrobium | Den | johansoniae | F. M. Bailey [Baker] | |
| Add+ | Sayeria | Say | johnsoniae | 1983 | (F.Muell.) Rauschert | 
| Add+ | Dendrobium | Den | monodon | 1910 | Kraenzl. in H.G.A.Engler (ed.) | 
 
 
