Rhododendron Index

R. 'Silver Dust'

Rhododendron Hybrid

R. 'Golfer' x R. 'Chemainus'

Hybridized By: Fujioka, Frank

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R. 'Silver Lady'

Rhododendron Hybrid

R. degronianum ssp yakushimanum x R. smirnowii

Hybridized By: Horstman, G.

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R. 'Silver Queen'

Azalea Hybrid

? x ?

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R. 'Silver Sixpence'

Rhododendron Hybrid

R. 'Fabia Group X fortunei discolor x facetum X fortunei discolor x griersonianum' x R. 'wardii x yakushimanum'

Hybridized By: Waterer (Bagshot)

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R. 'Silver Skies'

Rhododendron Hybrid

R. degronianum ssp yakushimanum 'Koichiro Wada' x R. 'Medusa Group'

Hybridized By: Fujioka, Frank

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R. 'Silver Slipper'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Exbury

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R. 'Silver Sovereign'

Rhododendron Hybrid

? x ?

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R. 'Silver Star'

Vireya Hybrid

R. Star Posy x ?

R. 'Silver Sword'

Evergreen Azalea Hybrid

? x ?

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R. 'Silver Thimbles'

Vireya Hybrid

R. Oriana x R. anagalliflorum

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R. 'Silverwood'

Deciduous Azalea Hybrid

R. 'Silver Slipper' x ?

Hybridized By: Millais, E.G.

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R. 'Silvester'

Evergreen Azalea Hybrid

R. 'Aladdin' x R. 'Amoenum'

Hybridized By: Boskoop

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R. 'Silvetta'

Rhododendron Hybrid

? x ?

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R. 'Silvia Marie'

Rhododendron Hybrid

R. 'Janet Blair' x R. 'Purple Lace'

Hybridized By: Doppel,J.

R. silvicolum

Natural Hybrid

R. cuneifolium var cuneifolium x R. ericoides

R. 'Simbu Goldstrike'

Vireya Hybrid

R. Simbu Sunset x R. Simbu Sunset

R. 'Simbu Sunset'

Vireya Hybrid

R. laetum x R. zoelleri

Hybridized By: Lelliott, T.

R. simiarum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Argyrophylla

R. simiarum ssp youngae

Species

R. 'Simmon's Classic'

Rhododendron Hybrid

? x ?

Hybridized By: Whitney, William E.

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R. 'Simona'

Rhododendron Hybrid

R. 'Harvest Moon' x R. 'Letty Edwards Group'

Hybridized By: Hachmann, Hans

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R. 'Simplet'

Evergreen Azalea Hybrid

R. 'Madame Adolphe d'Haene' x R. 'Avenir'

Hybridized By: Truffaut, A.

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R. 'Simplicity'

Rhododendron Hybrid

R. 'Solon' x R. 'Loderi Group'

Hybridized By: Aberconway, Lord

R. 'Simplicity'

Evergreen Azalea Hybrid

R. mucronatum var mucronatum 'Lilacinum' x R. 'Willy'

Hybridized By: Morrison, B.Y.

R. 'Simplon'

Evergreen Azalea Hybrid

R. yedoense var yedoense x ?

Hybridized By: Frei, H.

R. simsii var albiflorum

Species

Subgenus: Tsutsusi
Section: Tsutsusi

R. simsii var mesembrinum

Species

Subgenus: Tsutsusi
Section: Tsutsusi

R. simsii var simsii

Species

Subgenus: Tsutsusi
Section: Tsutsusi

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R. simsii var simsii 'Grandiflorum Roseum'

Evergreen Azalea Species Selection

Selected By: van Geert, A.

R. simsii var simsii 'Gumpo Fancy'

Evergreen Azalea Species Selection

R. simsii var simsii 'Gumpo Pink'

Evergreen Azalea Species Selection

R. simsii var simsii 'Gumpo Red'

Evergreen Azalea Species Selection

Selected By: Wada, K.

R. simsii var simsii 'Vittatum'

Evergreen Azalea Species Selection

Selected By: China

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R. simsii var simsii 'Zi Yan'

Evergreen Azalea Species Selection

Selected By: Zhang, Chang Qin

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R. 'Simson'

Rhododendron Hybrid

? x R. 'New Comet'

Hybridized By: Hachmann, Hans

R. simulans

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Sincerity'

Rhododendron Hybrid

? x ?

R. 'Sinfonia'

Rhododendron Hybrid

R. 'Lem's Tangerine' x R. 'Anita Dunstan'

Hybridized By: Newcomb,L.L.

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R. 'Singapore'

Rhododendron Hybrid

R. 'Fanfare' x R. 'Gertrud Schäle'

Hybridized By: Leach, Dr. David G.

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R. 'Singing Sun'

Rhododendron Hybrid

R. 'Sun Blush' x R. 'Goldprinz'

Hybridized By: Barlup, Jim

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R. sinofalconeri

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Falconera

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R. sinogrande

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Grandia

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R. sinonuttallii

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Maddenia

R. sinosimulans

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Taliensia

R. 'Siouxon x sanguineum ssp sanguineum var haemaleum'

Rhododendron Hybrid

R. degronianum ssp yakushimanum 'Siouxon' x R. sanguineum ssp sanguineum var haemaleum

R. Sir Charles Lemon

Natural Hybrid

R. arboreum ssp cinnamomeum x R. campanulatum ssp campanulatum

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R. 'Sir Frederick Moore'

Rhododendron Hybrid

? x ?

R. 'Sir George Holford'

Vireya Hybrid

R. javanicum ssp javanicum x ?

R. 'Sir George Holford x leucogigas'

Vireya Hybrid

R. 'Sir George Holford' x R. leucogigas

R. 'Sir Humphrey de Trafford'

Rhododendron Hybrid

? x ?

Hybridized By: Waterer (Bagshot)