Rhododendron subsect. afghanica
Rhododendron subsect. baileya
Rhododendron subsect. boothia
Rhododendron subsect. camelliiflora
Rhododendron subsect. campylogyna
Rhododendron subsect. cinnabarina
Rhododendron subsect. edgworthia
Rhododendron subsect. edgeworthia
Rhododendron subsect. fragariflora
Rhododendron subsect. fragariiflora
Rhododendron subsect. genestieriana
Rhododendron subsect. glauca
Rhododendron subsect. heliolepida
Rhododendron subsect. lapponica
Rhododendron subsect. ledum
Rhododendron subsect. lepidota
Rhododendron subsect. maddenia
Rhododendron subsect. micrantha
Rhododendron subsect. monantha
Rhododendron subsect. moupinensia
Rhododendron subsect. rhododendron
Rhododendron subsect. rhodorastrum
Rhododendron subsect. saluenensia
Rhododendron subsect. scabrifolium
Rhododendron subsect. tephropeplae
Rhododendron subsect. tephropepla
Rhododendron subsect. trichocladum
Rhododendron subsect. triflora
Rhododendron subsect. uniflora
Rhododendron subsect. virgatum