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Rhododendron Index

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R. 'Ai-no-tomo'

Evergreen Azalea Hybrid
? x ?

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R. 'Aibette'

Rhododendron Hybrid
R. 'Cotton Candy' x R. 'Purple Splendour'

Hybridized By: Stockman, M.

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R. 'Aida'

Evergreen Azalea Hybrid
? x ?

R. 'Aida'

Deciduous Azalea Hybrid
? x ?

Hybridized By: Smet, L. de

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R. 'Aida Group'

Rhododendron Hybrid
R. 'George Hardy' x R. auriculatum

Hybridized By: Rothschild, L. de

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R. 'Aida's March'

Vireya Hybrid
R. laetum x R. zoelleri

Hybridized By: Snell, G.L.S.

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R. 'Aigyoku'

Evergreen Azalea Hybrid
? x ?

Hybridized By: Japan

R. 'Aikoku'

Evergreen Azalea Hybrid
R. 'Koho' x R. indicum 'Tanima-no-yuki'

Hybridized By: Japan

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R. 'Aileen Henderson'

Rhododendron Hybrid
R. griffithianum x ?

Hybridized By: Koster M. & Sons

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R. 'Aileen O'Rourke'

Rhododendron Hybrid
R. 'Letty Edwards' x R. 'Odee Wright'

Hybridized By: O'Rourke, H.

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R. 'Ailsa Jean'

Rhododendron Hybrid
R. tephropeplum x R. moupinense

Hybridized By: Adams-Acton, G.M

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R. 'Ailsa Jean Group'

Rhododendron Cultivar group
R. tephropeplum x R. moupinense

Hybridized By: Adams-Acton, G.M

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R. 'Ain't She Sweet'

Deciduous Azalea Hybrid
R. cumberlandense x R. arborescens

Hybridized By: Carlson's Gardens

R. 'Ainoshima'

Azalea Hybrid
? x ?

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R. 'Aioi'

Evergreen Azalea Hybrid
? x ?

Hybridized By: Japan

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R. 'Airport Red'

Evergreen Azalea Hybrid
R. kaempferi x R. nakaharae

Hybridized By: Rokujo, T.

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R. 'Airspun'

Rhododendron Hybrid
R. 'Vinecrest x Marypat X Wizard x aureum' x R. 'Dead Ringer'

Hybridized By: Smith, A.W.

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R. 'Airwaves'

Rhododendron Hybrid
R. 'Vinecrest x Marypat X Wizard x aureum' x R. 'Dead Ringer'

Hybridized By: Smith, A.W.

R. 'Airy Fairy'

Rhododendron Hybrid
R. lutescens x R. mucronulatum var mucronulatum 'Cornell Pink'

Hybridized By: Maloney, F. Mrs.

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R. 'Aishifu'

Evergreen Azalea Hybrid
? x ?

Hybridized By: Japan

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R. 'Aitonii'

Rhododendron Hybrid
? x ?

Hybridized By: Gheldolf, C.

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R. 'Aivars Lasis'

Rhododendron Hybrid
R. smirnowii 'Dace' x R. 'Purple Splendour'

Hybridized By: Kondratovičs, Rihard

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R. 'Ajax'

Vireya Hybrid
R. 'Crown Princess of Germany' x R. javanicum ssp javanicum

Hybridized By: Veitch & Son, J.

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R. 'Aka-koshimino'

Evergreen Azalea Hybrid
? x ?

Hybridized By: Ito, Ihei

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R. 'Aka-shiki'

Evergreen Azalea Hybrid
? x ?

Hybridized By: Ito, Ihei

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R. 'Akaida'

Azalea Hybrid
? x ?

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R. 'Akarizuki'

Evergreen Azalea Hybrid
? x ?

Hybridized By: Ito, Ihei

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R. 'Akatsuki'

Evergreen Azalea Hybrid
R. eriocarpum x R. kaempferi

Hybridized By: Wada, K.

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R. 'Akatsuki-no-zao'

Evergreen Azalea Hybrid
? x ?

Hybridized By: Japan

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R. 'Akbar'

Rhododendron Hybrid
R. 'Loderi King George' x R. fortunei ssp discolor

Hybridized By: Rothschild, L. de

R. 'Akbar Group'

Rhododendron Cultivar group
R. 'Loderi King George' x R. fortunei ssp discolor

Hybridized By: Rothschild, L. de

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R. 'Ake-kagami'

Evergreen Azalea Hybrid
? x ?

Hybridized By: Japan

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R. 'Akebono'

Evergreen Azalea Hybrid
? x ?

Hybridized By: Japan

R. 'Akebono'

Evergreen Azalea Hybrid
? x ?

Hybridized By: Japan

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R. 'Akebono'

Evergreen Azalea Hybrid
? x ?

Hybridized By: Ito, Ihei

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R. 'Akebono'

Evergreen Azalea Hybrid
? x ?

Hybridized By: Japan

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R. 'Akebono'

Evergreen Azalea Hybrid
? x ?

Hybridized By: Japan

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R. 'Akebono Ryukyu'

Evergreen Azalea Hybrid
R. 'Malvaticum' x R. kaempferi

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R. 'Akikoku'

Evergreen Azalea Hybrid
? x ?

Hybridized By: Japan

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R. 'Akita-nishiki'

Evergreen Azalea Hybrid
? x ?

Hybridized By: Japan

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R. 'Akoya-hime'

Evergreen Azalea Hybrid
? x ?

Hybridized By: Japan

R. 'Aksel Olsen'

Rhododendron Hybrid
R. 'Essex Scarlet' x R. forrestii ssp forrestii

Hybridized By: Hobbie, Dietrich G.

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R. 'Al Holm'

Evergreen Azalea Hybrid
? x ?

Hybridized By: Griswold, Mrs. W.L. (Doris)

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R. 'Al Jolson'

Rhododendron Hybrid
R. 'Mars' x R. sanguineum ssp sanguineum var haemaleum

Hybridized By: Seabrook, Cecil S.

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R. 'Al Smith'

Rhododendron Hybrid
R. 'Madras' x R. 'Delp's Cindy Lou'

Hybridized By: Delp Weldon E.

R. 'Al's Picotee'

Evergreen Azalea Hybrid
R. 'Elsie Lee' x R. kiusianum var kiusianum

Hybridized By: Ring, G.W.

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R. 'AL-48'

Deciduous Azalea Hybrid
? x R. austrinum

Hybridized By: Aromi, E.J

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R. 'Alabama'

Evergreen Azalea Hybrid
? x ?

Hybridized By: Australia

R. alabamense

Species

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

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R. alabamense

Species