Dendrobium rigidum sp.
Dendrobium roseiodorum sp.
Dendrobium rosellum sp.
Dendrobium roslii sp.
Dendrobium sanderae var. luzonicum sp.
Dendrobium sanderae var. major
Dendrobium Santa Isabel True Love
Dendrobium scabrilingue sp.
Dendrobium schrautii sp.
Dendrobium Second Love Kirameki
Dendrobium senile sp.
Dendrobium serratilabium fma. Yellow
Dendrobium serratilabium sp.
Dendrobium sinense sp.
Dendrobium Sonia Ersakul
Dendrobium Sonia White - NBS
Dendrobium spectabile alba
Dendrobium stachyobium 'Red Lip' sp.
Dendrobium Stardust 'Chiyomi'
Dendrobium stockelbuschii sp.
Dendrobium strongylanthum fma. black sp.
Dendrobium strongylanthum sp.
Dendrobium sukhakulii sp.
Dendrobium sulcatum sp.
