R. 'Redskin Group'Rhododendron HybridR. 'Dante Group' X R. 'Eudora Group'Hybridized By: Aberconway, Lord |
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R. 'Redstart'Azalea Hybrid? X ?Hybridized By: Waterer, H. (Knaphill) |
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R. 'Redstart Group'Rhododendron Cultivar groupR. aperantum X R. neriiflorum ssp neriiflorum Euchaites GroupHybridized By: Headfort, Lord |
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R. 'Redwax'Rhododendron HybridR. haematodes ssp haematodes X R. 'May Day Group'Hybridized By: Henny, Rudolph |
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R. 'Redwing'Rhododendron HybridR. 'Shilsonii' X R. 'Barclayi' |
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R. 'Redwing Group'Rhododendron Cultivar group? X ? |
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R. 'Redwood'Rhododendron HybridR. fortunei ssp fortunei X R. insigneHybridized By: Hobbie, Dietrich G. More information and pictures
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R. 'Regality'Rhododendron HybridR. 'Calstocker Group' X R. 'Irene Stead'Hybridized By: O'Rourke, H. |
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R. 'Regan Jo'Rhododendron Hybrid? X ?Hybridized By: Stockman, M. |
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R. 'Regina'Azalea Hybrid? X ?Hybridized By: Van Houtte, L. B. (Louis Benoit) |
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R. 'Regina'Azalea Hybrid? X ?Hybridized By: Hooftman, H.J. |
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R. 'Regina'Azalea HybridR. indicum X R. 'Hazel Dawson'Hybridized By: Morrison, B.Y. |
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R. 'Regina'Azalea HybridR. 'Adventglöckchen' X R. 'Schnee'Hybridized By: Stiborek, Z. |
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R. 'Regina'Azalea Hybrid? X ?Hybridized By: de Cock, L. |
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R. 'Regina Belgica'Azalea Hybrid? X ?Hybridized By: Loddiges, C. & Sons |
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R. 'Regine Meltzer'Rhododendron HybridR. 'Odessa x Spätlese' X R. smirnowiiHybridized By: Meltzer, H.L. More information and pictures
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R. 'Regulator'Rhododendron Hybrid? X ?Hybridized By: Standish & Noble |
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R. 'Rei Ro'Azalea Hybrid? X ? |
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R. 'Reich's Signifikant'Rhododendron Hybrid? X ?Hybridized By: Reich, W. |
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R. 'Reifrock'Rhododendron HybridR. 'Fabia Group x smirnowii' X R. 'Purple Splendour'Hybridized By: Meltzer, H.L. |
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R. 'Reigate Squire'Rhododendron Hybrid? X ? |
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R. 'Reigetsu'Azalea Hybrid? X ? |
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R. 'Reileyridge Bright Day'Rhododendron HybridR. 'Janet Blair' X R. 'Ed's Red'Hybridized By: Reiley, H.E. More information and pictures
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R. 'Reileyridge Picotee'Rhododendron Hybrid? X ?Hybridized By: Reiley, H.E. |
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R. 'Reileyridge Sweet Sue'Rhododendron Hybrid? X ?Hybridized By: Reiley, H.E. |
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R. 'Reine de Pays-Bas'Azalea Hybrid? X ? |
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R. 'Reine des Amateurs'Azalea Hybrid? X ?Hybridized By: Vervaene, J. |
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R. 'Reine des Blanches'Azalea Hybrid? X ? |
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R. 'Reinhold Ambrosius'Azalea Hybrid? X ? |
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R. 'Rejoice'Azalea Hybrid? X ?Hybridized By: Morrison, B.Y. |
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R. 'Relaxation'Rhododendron HybridR. 'May Day Group' X R. degronianum ssp yakushimanum 'Koichiro Wada'Hybridized By: Smith, C.C. (Cecil) |
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R. 'Remembrance'Azalea Hybrid? X ?Hybridized By: Morrison, B.Y. |
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R. 'Renaissance'Rhododendron Hybrid? X ?Hybridized By: Adams-Acton, G.M |
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R. 'Renaissance'Rhododendron Hybrid? X ?Hybridized By: Barto, James |
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R. 'Renata'Rhododendron Hybrid? X ? |
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R. 'Renate'Azalea Hybrid? X ?Hybridized By: Mayer, R. |
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R. 'Renato Rovelli'Azalea Hybrid? X ?Hybridized By: Fratelli Rovelli |
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R. 'Rendezvous'Rhododendron HybridR. 'Marinus Koster' X R. degronianum ssp yakushimanum 'Koichiro Wada'Hybridized By: Hachmann, Hans More information and pictures
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R. 'Renee Shirey'Rhododendron HybridR. 'Caltwins' X R. 'Caltwins'Hybridized By: Delp Weldon E. More information and pictures
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R. 'Renhaven'Rhododendron HybridR. 'Umpqua Chief' X R. elliottiiHybridized By: James Delbert W. More information and pictures
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R. 'Rennie Moffat'Rhododendron HybridR. valentinianum X R. pachypodumHybridized By: Moffat, R |
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R. 'Renoir'Rhododendron HybridR. 'Pauline' X R. degronianum ssp yakushimanumHybridized By: Hanger, F.E.W. More information and pictures
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R. 'Renowned'Azalea Hybrid? X ?Hybridized By: Exbury |
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R. 'Renée Robeson'Rhododendron HybridR. 'Mrs G. W. Leak' X R. 'Stanway'Hybridized By: Rothschild, Edmund Leopold de More information and pictures
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R. 'Repose'Rhododendron Hybrid? X ?Hybridized By: Rothschild, L. de |
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R. 'Repose Group'Rhododendron Cultivar group? X ?Hybridized By: Rothschild, L. de |
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R. 'Requiem'Azalea Hybrid? X ?Hybridized By: Morrison, B.Y. |