Marts 2023
Rhododendron sajanense.
Rhododendron saluenense Franch.
Rhododendron saluenense prostratum/cameunum
Rhododendron sanctum Nakai
Rhododendron sanguineum Franch. & Cowan
Rhododendron sanguineum cloiophorum
Rhododendron sanguineum didymoides
Rhododendron sanguineum didymum
Rhododendron sanguineum haemaleum
Rhododendron sanguineum himertum
Rhododendron sargentianum Rehder & E.H.Wilson
Rhododendron saxicolon
Rhododendron scabrifolium Franch.
Rhododendron scabrifolium var. pauciflorum.
Rhododendron scabrifolium var. speciferum
Rhododendron scabrum G .Don
Rhododendron schlippenbachii Maxim.
Rhododendron scopulorum
Rhododendron scopulum
Rhododendron searsiae Rehder & E.H.Wilson
Rhododendron seinghkuense Kingdon-Ward.
Rhododendron selense ssp. dasycladum.
Rhododendron selense ssp. jucundum.
Rhododendron selense ssp. selense
Rhododendron selense ssp. setiferum
Rhododendron semibarbatum Maxim.
Rhododendron semnoides Tagg & Forrest
Rhododendron serotinum aff. Vietnam
Rhododendron serotinum
Rhododendron serpyllifolium Miq.
Rhododendron setosum D .Don
Rhododendron shanii W.P.Fang
Rhododendron sherriffii Cowan
Rhododendron shweliense Balf.f. & Forrest
Rhododendron siderophyllum Franch.
Rhododendron siderum aff. RHS #4440
Rhododendron sikangense var. sikangense Fang (Foto: Finn Bertelsen)
Rhododendron sikangense var. exquisitum
Rhododendron sikkimense Pradhan & S.T .Lachungpa
Rhododendron sikkimense Pradhan & S.T .Lachungpa
Rhododendron simiarum Hance
Rhododendron simulans
Rhododendron simsii Planch.
Rhododendron sinofalconeri Balf.f.
Rhododendron sinogrande Balf.f. & W.W.Sm.
Rhododendron sinogrande Balf.f. & W.W.Sm.
Rhododendron sinonuttallii Balf.f. & Forrest
Rhododendron sinosimulans D.F.Chamb.
Rhododendron smirnowii Trautv.
Rhododendron smokianum
Rhododendron sochadzeae Kharadze & Davlianidze
Rhododendron souliei Franch.
Rhododendron sperabile Balf.f. & Farrer
Rhododendron sperabile var. weihsiense
Rhododendron sperabiloides Tagg & Forrest
Rhododendron sphaeroblastum Balf.f. & Forrest
Rhododendron spiciferum Franch.
Rhododendron spilotum ? (rundt blad)
Rhododendron spinuliferum Franch.
Rhododendron stamineum Franch.
Rhododendron stenopetalum (Hogg) Mabb.
Rhododendron stewartianum Diels
Rhododendron stewartianum Diels
Rhododendron strigillosum Franch.
Rhododendron subansiriense D.F.Chamb. & Cox
Rhododendron subarcticum
Rhododendron subulatum (Nakai) Harmaja
Rhododendron succothii Davidian
Rhododendron sulfureum Franch.
Rhododendron suoilenhense
Rhododendron surasianum
Rhododendron sutchuenense Franch.
Rhododendron sutchuenense var. geraldii

Rhododendron ×smithii Sweet