| australia | new south wales | dendrobium speciosum var. hillii | varietas | 1 | 0 |
| australia | new south wales | dendrobium speciosum var. speciosum | varietas | 1 | 0 |
| australia | queensland | dendrobium speciosum var. blackdownense | varietas | 1 | 0 |
| australia | queensland | dendrobium speciosum var. boreale | varietas | 125 | 0 |
| australia | queensland | dendrobium speciosum var. capricornicum | varietas | 163 | 0 |
| australia | queensland | dendrobium speciosum var. carnarvonense | varietas | 1 | 0 |
| australia | queensland | dendrobium speciosum var. curvicaule | varietas | 4 | 0 |
| australia | queensland | dendrobium speciosum var. grandiflorum | varietas | 1 | 0 |
| australia | queensland | dendrobium speciosum var. pedunculatum | varietas | 22 | 0 |