Klassifikation 1996
Genus Rhododendron (Klassifikation 1996, Chamberlain) –-Klassifikation FOC ,HE 1998-2002——Klassifikation Julian Taylor-Whall 2024
(Species/hybrids described in: P.A. Cox and K.N.E. Cox 1997. The Encyclopedia of Rhododendron species). After Chamberlain et al. 1996 revision. (txt. by R. Scheid) modified 15/4-1998.
- Subgenus Azaleastrum
- Section Azaleastrum
- Section Choniastrum
- Subgenus Candidastrum (monotypic)
- Subgenus Hymenanthes
- Section Ponticum
- Subsection Arborea
- Subsection Argyrophylla
- Subsection Auriculata (monotypic)
- Subsection Barbata
- Subsection Campanulata
- Subsection Campylocarpa
- Subsection Falconera
- Subsection Fortunea
- Subsection Fulgensia (monotypic)
- Subsection Fulva
- Subsection Glischra
- Subsection Grandia
- Subsection Griersoniana (monotypic)
- Subsection Irrorata
- Subsection Lanata
- Subsection Maculifera
- Subsection Neriiflora
- Subsection Parishia
- Subsection Pontica
- Subsection Selensia
- Subsection Taliensia
- Subsection Thomsonia
- Subsection Venatora (monotypic)
- Subsection Williamsiana (monotypic)
- Section Ponticum
- Subgenus Mumeazalea (monotypic)
- Subgenus Pentanthera
- Section Pentanthera
- Subsection Pentanthera
- Subsection Sinensia
- Section Rhodora
- Section Sciadorhodion
- Section Viscidula (monotypic)
- Section Pentanthera
- Subgenus Rhododendron
- Section Pogonanthum
- Section Rhododendron
- Subsection Afghanica (monotypic)
- Subsection Baileya (monotypic)
- Subsection Boothia
- Subsection Camelliiflora (monotypic)
- Subsection Campylogyna (monotypic)
- Subsection Caroliniana (monotypic)
- Subsection Cinnabarina
- Subsection Edgeworthia
- Subsection Fragariflora (monotypic)
- Subsection Genestieriana (monotypic)
- Subsection Glauca
- Subsection Heliolepida
- Subsection Lapponica
- Subsection Leda
- Subsection Lepidota
- Subsection Maddenia
- Subsection Micrantha (monotypic)
- Subsection Moupinensia
- Subsection Rhododendron
- Subsection Rhodorastra
- Subsection Saluenensia
- Subsection Scabrifolia
- Subsection Tephropepla
- Subsection Trichoclada
- Subsection Triflora
- Subsection Uniflora
- Subsection Virgata (monotypic)
- Section Vireya
- Subsection Pseudovireya
- Subgenus Therorhodion (probably not in this genus) HE
- Subgenus Tsutsusi
- Section Brachycalyx
- Section Tsutsusi