R. 'Stephen'Vireya HybridR. macgregoriae x aurigeranum X R. zoelleri |
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R. 'Stephen Clarke'Rhododendron HybridR. 'Britannia' X R. 'Autumn Gold'Hybridized By: Clarke, E. Mrs. More information and pictures
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R. 'Steredenn'Rhododendron Hybrid? X ?Hybridized By: Colombel, Marc |
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R. 'Sterling'Azalea Hybrid? X ?Hybridized By: Morrison, B.Y. |
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R. 'Steve Zalumas'Azalea HybridR. 'Sweetheart Supreme' X ?Hybridized By: Cole, D.J. |
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R. 'Steve Zimmerman'Rhododendron HybridR. 'Hotei' X R. 'Crest'Hybridized By: McCulloch, S. |
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R. 'Steven Foster'Rhododendron HybridR. 'May Day Group' X R. haematodes ssp haematodesHybridized By: Seabrook, Cecil S. |
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R. 'Steven Roy'Rhododendron HybridR. 'Evening Glow' X R. 'Tortoiseshell Wonder'Hybridized By: Stockman, M. |
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R. 'Stewart Amstrong'Azalea Hybrid? X ?Hybridized By: Morrison, B.Y. |
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R. 'Stewart Manville'Rhododendron Hybrid? X ?Hybridized By: Smith, W.D. |
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R. stewartianumSpecies
Subgenus:
Hymenanthes
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R. stewartianum var aiolosalpinxSpecies |
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R. 'Stinger'Rhododendron HybridR. 'Rocky Road' X R. 'Rougemont'Hybridized By: Delp Weldon E. More information and pictures
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R. 'Stingray'Rhododendron Hybrid? X ?Hybridized By: Ring, T.L. |
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R. 'Stoat'Azalea HybridR. 'Kermesinum' X R. 'Lemur'Hybridized By: Cox, Peter A. |
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R. 'Stockholm'Rhododendron Hybrid? X R. williamsianumHybridized By: Hobbie, Dietrich G. |
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R. 'Stockholm'Rhododendron HybridR. catawbiense 'Catalgla' X R. decorum ssp decorumHybridized By: Leach, Dr. David G. |
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R. 'Stockman's Black Eye'Rhododendron HybridR. 'Van Nes Sensation' X R. 'Kubla Khan'Hybridized By: Stockman, M. |
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R. 'Stockman's Drumbeat'Rhododendron Hybrid? X ?Hybridized By: Stockman, M. |
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R. 'Stockman's Firecracker'Rhododendron HybridR. 'Blimey Limey' X R. 'Galacci's Gold'Hybridized By: Stockman, M. |
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R. 'Stockman's Flare'Rhododendron HybridR. 'Dianta' X R. 'Kubla Khan'Hybridized By: Stockman, M. |
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R. 'Stockman's Flirt'Rhododendron HybridR. 'Blimey Limey' X R. 'Christie Ess'Hybridized By: Stockman, M. |
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R. 'Stockman's Ruby'Rhododendron Hybrid? X ?Hybridized By: Stockman, M. |
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R. 'Stockman's Schiller'Rhododendron Hybrid? X ?Hybridized By: Stockman, M. |
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R. 'Stokes Bronze Wings'Rhododendron HybridR. maximum X R. catawbienseHybridized By: Stokes, W.E. |
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R. 'Stokes Bronze Wings x Adele's Yellow'Rhododendron HybridR. 'Stokes Bronze Wings' X R. 'Adele's Yellow' |
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R. 'Stokes Opal'Rhododendron Hybrid? X ? |
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R. 'Stonelaw'Rhododendron HybridR. edgeworthii X R. burmanicumHybridized By: Dunedin Rhododendron Group |
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R. 'Stony Acres'Rhododendron Hybrid? X ?Hybridized By: Herbert, C. |
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R. 'Stony Brook'Rhododendron HybridR. 'Voluptuous' X R. 'Point Defiance'Hybridized By: Brack, W. (Werner) More information and pictures
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R. 'Stoplight'Rhododendron Hybrid? X ?Hybridized By: Henny, Rudolph |
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R. 'Stormcloud'Azalea Hybrid? X ?Hybridized By: Morrison, B.Y. |
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R. 'Stormy'Azalea Hybrid? X ?Hybridized By: Vines,R.C. |
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R. 'Strategist'Rhododendron HybridR. griffithianum X ?Hybridized By: Waterer (Bagshot) More information and pictures
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R. 'Straw Hat'Rhododendron HybridR. catawbiense 'Catalgla' X R. 'Mars'Hybridized By: Gable, J.B. More information and pictures
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R. 'Strawberry Chiffon'Rhododendron Hybrid? X ?Hybridized By: Stipe, W.A. More information and pictures
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R. 'Strawberry Delight'Vireya HybridR. zoelleri X R. Doctor Hermann Sleumer x javanicum |
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R. 'Strawberry Frills'Rhododendron Hybrid? X ?Hybridized By: McDonald, S. |
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R. 'Strawberry Ice'Azalea Hybrid? X ?Hybridized By: Rothschild, L. de More information and pictures
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R. 'Strawberry Parfait'Vireya HybridR. konori var phaeopeplum X R. zoelleriMore information and pictures 
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R. 'Strawberry Popsickle'Azalea Hybrid? X ?Hybridized By: Carlson's Gardens |
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R. 'Strawberry Rose'Azalea Hybrid? X ? |
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R. 'Strawberry Sherbet'Azalea Hybrid? X ?Hybridized By: Aromi, E.J |
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R. 'Strawberry Sundae'Azalea Hybrid? X ?Hybridized By: Aromi, E.J |
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R. 'Strawberry Supreme'Rhododendron Hybrid? X ?Hybridized By: Fetterhoff, W.M. |